Exhibit (a)(1)(A)
                          Offer to Purchase for Cash

                    All Outstanding Shares of Common Stock

          (Including the Associated Preferred Stock Purchase Rights)

                                      of

                          ORATEC Interventions, Inc.

                                      at


                             $12.50 Net Per Share

                                      by

                              Orchid Merger Corp.

                         a wholly owned subsidiary of

                             Smith & Nephew, Inc.

                                      and

                    an indirect wholly owned subsidiary of

                              Smith & Nephew plc

 THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY
       TIME, ON THURSDAY, MARCH 21, 2002, UNLESS THE OFFER IS EXTENDED.

A summary of the principal terms of the offer appears on pages (ii) through
(iv). You should read this entire document carefully before deciding whether to
tender your shares.

                     The Dealer Manager for the Offer is:


[LOGO] Bancorp
Piper Jaffray

February 22, 2002



                               TABLE OF CONTENTS



                                                                                      Page
                                                                                      ----
                                                                                   
Summary Term Sheet...................................................................  ii
Introduction.........................................................................   1
 1.  Terms of the Offer..............................................................   2
 2.  Acceptance for Payment and Payment for Shares...................................   4
 3.  Procedures for Accepting the Offer and Tendering Shares.........................   5
 4.  Withdrawal Rights...............................................................   7
 5.  Material Federal Income Tax Consequences........................................   8
 6.  Price Range of the Shares; Dividends............................................   9
 7.  Possible Effects of the Offer on the Market for the Shares; Nasdaq Quotation;
     Exchange Act Registration; Margin Regulations...................................   9
 8.  Certain Information Concerning ORATEC...........................................  10
 9.  Certain Information Concerning Purchaser, Smith & Nephew and Parent.............  12
10.  Background of the Offer; Contacts with ORATEC...................................  14
11.  Purpose of the Offer and the Merger; The Merger Agreement; The Confidentiality
     Agreement; The Stockholder Agreements; Statutory Requirements; Appraisal Rights;
     Rule 13e-3; Plans for ORATEC After the Offer and the Merger.....................  16
12.  Source and Amount of Funds......................................................  28
13.  Dividends and Distributions.....................................................  29
14.  Conditions of the Offer.........................................................  29
15.  Legal Matters; Required Regulatory Approvals....................................  31
16.  Fees and Expenses...............................................................  33
17.  Miscellaneous...................................................................  33
Schedule I--Directors and Executive Officers of Parent, Smith & Nephew and Purchaser. I-1




                              SUMMARY TERM SHEET

   This summary term sheet highlights selected information from this Offer to
Purchase, and may not contain all of the information that is important to you.
To better understand our offer to you and for a complete description of the
terms of the offer, you should read the entire Offer to Purchase and the
accompanying Letter of Transmittal carefully. Questions or requests for
assistance may be directed to the Information Agent at its address and
telephone number listed on the last page of this Offer to Purchase.

Principal Terms

    .  Smith & Nephew, Inc., through its wholly owned subsidiary, is offering
       to buy all of the outstanding shares of common stock of ORATEC
       Interventions, Inc. ("ORATEC"). The offer price for the common stock is
       $12.50 per share in cash. Tendering stockholders will not have to pay
       brokerage fees or commissions.

    .  The offer is the first step in our plan to acquire all of the
       outstanding shares of ORATEC common stock, as provided in our merger
       agreement with ORATEC. If the offer is successful, we will acquire each
       remaining share of ORATEC common stock in a later merger for $12.50 per
       share in cash. ORATEC stockholders will not have appraisal rights in the
       tender offer; however, they will have appraisal rights in the merger.

    .  The offer will expire at 12:00 midnight, New York City time, on
       Thursday, March 21, 2002, unless we extend the offer.

    .  If we decide to extend the offer, we will issue a press release giving
       the new expiration date no later than 9:00 a.m., New York City time, on
       the first business day after the previously scheduled expiration of the
       offer.

ORATEC Board Recommendation

    .  By unanimous vote of all directors, the ORATEC board of directors has
       approved the merger agreement, the offer and the merger and determined
       that the terms of offer and the merger are fair to, and in the best
       interests of, ORATEC stockholders. The ORATEC board unanimously
       recommends that stockholders of ORATEC accept the offer and tender their
       shares in the offer.

Conditions

   We are not required to complete the offer unless:

    .  the number of shares of ORATEC common stock validly tendered and not
       withdrawn prior to the expiration of the offer equals at least a
       majority of the outstanding shares of ORATEC common stock, assuming the
       exercise of all options and warrants to purchase shares of common stock;
       and

    .  we receive U.S. federal antitrust clearance for the acquisition of
       shares of ORATEC common stock.

   Other conditions to the offer are described on pages 29 through 31.

Procedures for Tendering

   If you wish to accept the offer, this is what you must do:

    .  If you are a record holder of ORATEC shares (i.e., a stock certificate
       has been issued to you), you must complete and sign the enclosed letter
       of transmittal and send it with your stock certificate to the depositary
       for the offer or follow the procedures described in the offer for
       book-entry transfer. These materials must reach the depositary before
       the offer expires. Detailed instructions are contained in the letter of
       transmittal and on pages 5 through 7 of this document.

    .  If you are a record holder but your stock certificate is not available
       or you cannot deliver it to the depositary before the offer expires, you
       may be able to tender your shares using the enclosed notice of
       guaranteed delivery. Please call our information agent, Morrow & Co.,
       Inc. at (800) 607-0088 for assistance. See pages 6 and 7 for further
       details.


                                      ii



    .  If you hold your shares through a broker or bank, you should contact
       your broker or bank and give instructions that your shares be tendered.

Withdrawal Rights

    .  If, after tendering your shares in the offer, you decide that you do NOT
       want to accept the offer, you can withdraw your shares by instructing
       the depositary in writing before the offer expires. If you tendered by
       giving instructions to a broker or bank, you must instruct the broker or
       bank to arrange for the withdrawal of your shares. See pages 7 and 8 for
       further details.

Subsequent Offering Period

    .  We may give stockholders who do not tender in the offer another
       opportunity to tender at the same price in a subsequent offering period.
       Although we do not currently intend to include a subsequent offering
       period, we reserve the right to do so.

    .  Any subsequent offering period will begin on the day we announce that we
       have purchased shares in the offer and last for at least three business
       days. We may extend the subsequent offering period, but it will not last
       more than 20 business days in total.

    .  There would be no withdrawal rights in any subsequent offering period.

Stockholder Agreements

    .  We have entered into stockholder agreements with some stockholders of
       ORATEC, including its directors and executive officers. Pursuant to
       those agreements, the stockholders have agreed to tender an aggregate of
       3,248,426 shares of ORATEC common stock, constituting approximately
       13.99% of the aggregate number of shares of ORATEC common stock issued
       and outstanding as of February 8, 2002.

    .  The stockholders signing stockholder agreements have also agreed that
       they will not transfer their ORATEC shares prior to the expiration of
       the stockholder agreements and that they will vote their shares of
       ORATEC common stock in favor of the merger and against any competing
       transactions. You can find a more complete description of the
       stockholder agreements on page 25.

Recent ORATEC Trading Prices; Subsequent Trading

    .  The closing price for ORATEC common stock was:

          $8.90 on February 13, 2002, the last trading day before we announced
          the execution of the merger agreement with ORATEC, and

          $12.40 on February 21, 2002, the last trading day before the
       commencement of the offer.

   Before deciding whether to tender, you should obtain a current market
quotation for the shares.

    .  If the offer is successful, we expect ORATEC common stock to continue to
       be traded on the Nasdaq National Market until the time of the merger,
       although we expect trading volume to be below its pre-offer level.

                                      iii



Further Information

   If you have questions about the offer, you can call:

   our Information Agent:

                              Morrow & Co., INC.
                          445 Park Avenue, 5th Floor
                           New York, New York 10022
                       E-mail: ORATEC.info@morrowco.com
                         Call Collect: (212) 754-8000
       Banks and Brokerage Firms, Please Call Toll Free: (800) 654-2468

              Stockholders, Please Call Toll Free: (800) 607-0088

   our Dealer Manager:

[LOGO] US bancorp
Piper Jaffray(R)
                          800 Nicollet Mall, J1012063
                         Minneapolis, Minnesota 55402
                           (800) 333-6000 ext. 8554

                                      iv



To:  All holders of shares of common stock of ORATEC Interventions, Inc.:

                                 INTRODUCTION

   Orchid Merger Corp., a Delaware corporation ("Purchaser") and a wholly owned
subsidiary of Smith & Nephew, Inc., a Delaware corporation ("Smith & Nephew"),
and an indirect wholly owned subsidiary of Smith & Nephew plc, a corporation
organized under the laws of England and Wales ("Parent"), is offering to
purchase all of the outstanding shares of common stock, par value $.001 per
share ("Common Stock"), of ORATEC Interventions, Inc., a Delaware corporation
("ORATEC"), including the associated rights to purchase shares of Series A
Preferred Stock, par value $.001 per share, of ORATEC (the "Rights") issued
under the Preferred Shares Rights Agreement dated as of November 28, 2000, as
amended, (the "Rights Agreement"), between ORATEC and American Stock Transfer &
Trust Company, as rights agent (the "Rights Agent") (collectively, the
"Shares"), at a purchase price of $12.50 per share, net to the seller in cash,
without interest thereon (the "Offer Price"), on the terms and subject to the
conditions set forth in this Offer to Purchase and in the related Letter of
Transmittal (which, as amended or supplemented from time to time, collectively
constitute the "Offer"). As used herein, "we" or "us" refers to Smith & Nephew
and Purchaser.

   You will not be required to pay brokerage fees or commissions or, except as
described in Instruction 6 of the Letter of Transmittal, stock transfer taxes
on the purchase of Shares in the Offer. However, if you do not complete and
sign the Substitute Form W-9 that is included in the Letter of Transmittal, you
may be subject to a required backup federal income tax withholding of 30% of
the gross proceeds payable to you. See Section 5. We will pay all charges and
expenses of U.S. Bancorp Piper Jaffray Inc., as Dealer Manager, American Stock
Transfer & Trust Company, as Depositary, and Morrow & Co., Inc., as Information
Agent, incurred in connection with the Offer. See Section 16.

   The Board of Directors of ORATEC (the "ORATEC Board") has by a unanimous
vote approved the Merger Agreement (as defined below), the Offer and the Merger
(as defined below), has determined that the terms of the Offer and the Merger
are advisable, fair to, and in the best interests of, ORATEC's stockholders,
and unanimously recommends that stockholders of ORATEC accept the Offer and
tender their Shares pursuant to the Offer.

   We are not required to purchase any Shares unless there shall have been
validly tendered and not withdrawn prior to the expiration of the Offer such
number of Shares that would constitute at least a majority of the Shares that
in the aggregate are outstanding, determined on a fully diluted basis (assuming
the exercise of all options to purchase Shares, and the conversion or exchange
of all securities convertible or exchangeable into Shares, outstanding at the
expiration date of the Offer) (the ''Minimum Condition''). We reserve the right
(subject to the applicable rules and regulations of the Securities and Exchange
Commission (the ''SEC'') and to the prior written consent of ORATEC), which we
presently have no intention of exercising, to waive or reduce the Minimum
Condition and to elect to purchase a smaller number of Shares. The Offer is
also subject to certain other terms and conditions. See Sections 1, 14, and 15
below.

   We are making the Offer under the Agreement and Plan of Merger (the ''Merger
Agreement''), dated as of February 13, 2002, among ORATEC, Smith & Nephew and
Purchaser. Following the consummation of the Offer and the satisfaction or
waiver of certain conditions, Purchaser will merge with and into ORATEC (the
''Merger''), with ORATEC continuing as the surviving corporation (the
''Surviving Corporation''). In the Merger, each Share issued and outstanding
immediately prior to the Effective Time (as defined herein) (other than any
Shares that are held in the treasury of ORATEC, Shares owned by Smith & Nephew
or by any wholly owned subsidiary of Smith & Nephew and Shares held by
stockholders who properly exercise appraisal rights under the Delaware General
Corporation Law (the "DGCL")) will be converted into the right to receive
$12.50 in cash, without interest, or any higher price per Share paid in the
Offer (the ''Merger Consideration''). Section 11 below contains a more detailed
description of the Merger Agreement. Section 5 below describes the principal
federal income tax consequences of the sale or exchange of Shares in the Offer
and the Merger.



   J. P. Morgan Securities, Inc. ("J. P. Morgan"), has delivered to the ORATEC
Board a written opinion that, as of the date of the Merger Agreement and based
upon and subject to the matters stated in such opinion, the consideration to be
received by the holders of Shares pursuant to the Offer and the Merger was
fair, from a financial point of view, to such holders. A copy of the J. P.
Morgan opinion is included with ORATEC's Solicitation/Recommendation Statement
on Schedule 14D-9, which is being mailed with this document, and stockholders
are urged to read the opinion in its entirety for a description of the
assumptions made, matters considered and limitations of the review undertaken
by J. P. Morgan.

   The approval and adoption of the Merger Agreement by ORATEC requires the
affirmative vote of holders of a majority of the outstanding Shares. As a
result, if the Minimum Condition and the other conditions to the Offer are
satisfied and the Offer is completed, Smith & Nephew and its subsidiaries will
own a sufficient number of Shares to ensure that the Merger Agreement will be
approved by ORATEC's stockholders.

   ORATEC has informed us that, as of February 8, 2002, there were (a)
23,215,109 Shares issued and outstanding, (b) 3,154,096 Shares subject to
issuance under outstanding options issued by ORATEC, (c) 28,000 Shares subject
to issuance under outstanding warrants issued by ORATEC and (d) 60,000 Shares
subject to issuance, prior to the expiration of the Offer, pursuant to ORATEC's
1999 Employee Stock Purchase Plan. If Purchaser acquires at least 13,228,603
Shares in the Offer, ownership of such Shares will give Purchaser control of a
majority of the outstanding Shares (assuming the exercise of all options to
purchase Shares, and the conversion or exchange of securities convertible or
exchangeable into Shares, outstanding at the expiration date of the Offer).
Accordingly, Purchaser would have sufficient voting power to approve the Merger
without the affirmative vote of any other stockholder.

   Stockholders of ORATEC, including its directors and executive officers,
owning a total of 3,248,426 Shares, constituting approximately 13.99% of the
total number of Shares outstanding as of February 8, 2002, have entered into
stockholder agreements pursuant to which they have agreed to tender those
Shares pursuant to the Offer. See Section 11 below. ORATEC has advised us that
each of its directors and each of its executive officers intends to tender all
Shares that such director or executive officer owns in the Offer.

   The Offer is conditioned upon the fulfillment of the conditions described in
Section 14 below. The Offer will expire at 12:00 midnight, New York City time,
on Thursday, March 21, 2002, unless we extend it.

   This Offer to Purchase and the related letter of transmittal contain
important information which you should read carefully before you make any
decision with respect to the Offer.

1.   Terms of the Offer.

   Upon the terms and subject to the conditions of the Offer (including, if the
Offer is extended or amended, the terms and conditions of any extension or
amendment), we will purchase all Shares validly tendered and not withdrawn in
accordance with the procedures set forth in Section 3 of this Offer to Purchase
on or prior to the Expiration Date. The term ''Expiration Date'' means 12:00
midnight, New York City time, on Thursday, March 21, 2002. We may terminate or
withdraw the Offer or extend the Offer from time to time, if at the
then-scheduled expiration date of the Offer, the conditions to the Offer shall
have not been satisfied or earlier waived. We may also extend the Offer for any
period required by applicable rules, regulations, interpretations or positions
of the SEC or its staff applicable to the Offer or on one or more occasions for
an aggregate period of not more than ten business days if there shall not have
been tendered a sufficient number of Shares to enable the Merger to be effected
without a meeting of ORATEC's stockholders in accordance with Section 253 of
the DGCL. If we extend the Offer under any of these circumstances, the term
''Expiration Date'' will mean the time and date at which the Offer, as so
extended, will expire.

                                      2



   Upon the terms and subject to the conditions of the Offer, we will purchase
all Shares validly tendered and not withdrawn prior to the expiration of the
Offer. If, at the Expiration Date, the conditions to the Offer described in
Section 14 have not been satisfied or earlier waived, then, subject to the
provisions of the Merger Agreement, we may extend the Expiration Date for an
additional period or periods of time by giving oral or written notice of the
extension to the Depositary. During any such extension, all Shares previously
tendered and not withdrawn will remain subject to the Offer and subject to your
right to withdraw Shares. See Section 4.

   Subject to the applicable regulations of the SEC and the terms of the Merger
Agreement, we also reserve the right, in our sole discretion, at any time or
from time to time, to: (a) delay purchase of or, regardless of whether we
previously purchased any Shares, payment for any Shares pending receipt of any
regulatory or governmental approvals or expiration of the applicable regulatory
or governmental waiting period specified in Section 15; (b) terminate the Offer
prior to the Expiration Date if any condition referred to in Section 14 has not
been satisfied or upon the occurrence of any event specified in Section 14; and
(c) except as set forth in the Merger Agreement, waive any condition or
otherwise amend the Offer in any respect, in each case, by giving oral or
written notice of the delay, termination, waiver or amendment to the Depositary
and, other than in the case of any waiver, by making a public announcement
thereof. We acknowledge (a) that Rule 14e-1(c) under the Exchange Act of 1934
(the ''Exchange Act'') requires us to pay the consideration offered or return
the Shares tendered promptly after the termination or withdrawal of the Offer
and (b) that we may not delay purchase of, or payment for (except as provided
in clause (a) of the preceding sentence), any Shares upon the occurrence of any
event specified in Section 14 without extending the period of time during which
the Offer is open. The rights we reserve in this paragraph are in addition to
our rights described in Section 14.

   Any extension, delay, termination or amendment of the Offer will be followed
as promptly as practicable by a public announcement. An announcement in the
case of an extension will be made no later than 9:00 a.m., New York City time,
on the next business day after the previously scheduled Expiration Date.
Without limiting the manner in which we may choose to make any public
announcement, subject to applicable law (including Rules 14d-4(d) and 14d-6(c)
under the Exchange Act, which require that material changes be promptly
disseminated to holders of Shares), we will have no obligation to publish,
advertise or otherwise communicate any such public announcement other than by
issuing a release to the Dow Jones News Service.

   In the Merger Agreement, we have agreed that, without the prior written
consent of ORATEC, we will not (a) reduce the number of Shares subject to the
Offer, (b) reduce the Offer Price, (c) add to or modify the conditions to the
Offer (other than to waive any condition to the Offer to the extent permitted
by the Merger Agreement), (d) except as provided in the Merger Agreement,
extend the Offer, (e) change the form of consideration payable in the Offer, or
(f) otherwise amend the terms and conditions of the Offer in a manner adverse
to the holders of Shares.

   If we make a material change in the terms of the Offer, or if we waive a
material condition to the Offer, we will extend the Offer and disseminate
additional tender offer materials to the extent required by Rules 14d-4(d),
14d-6(c) and 14e-1 under the Exchange Act. The minimum period during which a
tender offer must remain open following material changes in the terms of the
offer, other than a change in price or a change in percentage of securities
sought, depends upon the facts and circumstances, including the materiality of
the changes. In the SEC's view, an offer should remain open for a minimum of
five business days from the date the material change is first published, sent
or given to stockholders, and, if material changes are made with respect to
information that approaches the significance of price and the percentage of
securities sought, a minimum of 10 business days may be required to allow for
adequate dissemination and investor response. With respect to a change in
price, a minimum 10 business-day period from the date of the change is
generally required to allow for adequate dissemination to stockholders.
Accordingly, if prior to the Expiration Date, we decrease the number of Shares
being sought, or increase or decrease the consideration offered pursuant to the
Offer, and if the Offer is scheduled to expire at any time earlier than the
period ending on the 10th business day from the date that notice of the
increase or decrease is first published, sent or given to holders of Shares, we
will extend the Offer at least until

                                      3



the expiration of such period of 10 business days. For purposes of the Offer, a
''business day'' means any day other than a Saturday, Sunday or a federal
holiday and consists of the time period from 12:01 a.m. through 12:00 midnight,
New York City time.

   The Offer is conditioned upon, among other things, the satisfaction of the
Minimum Condition.

   Consummation of the Offer is also conditioned upon expiration or termination
of all waiting periods imposed by the HSR Act (as defined in Section 14), and
the other conditions set forth in Section 14. We reserve the right (but are not
obligated), in accordance with applicable rules and regulations of the SEC and
with the Merger Agreement, to waive any or all of those conditions. If, by the
Expiration Date, any or all of those conditions have not been satisfied, we
may, without the consent of ORATEC, elect to (a) extend the Offer and, subject
to applicable withdrawal rights, retain all tendered Shares until the
expiration of the Offer, as extended, subject to the terms of the Offer and the
Merger Agreement; (b) waive all of the unsatisfied conditions (other than the
Minimum Condition) and, subject to complying with applicable rules and
regulations of the SEC, accept for payment all Shares so tendered; or (c)
terminate the Offer and not accept for payment any Shares and return all
tendered Shares to tendering stockholders. In the event that we waive any
condition set forth in Section 14 and Purchaser purchases Shares pursuant to
the Offer, Purchaser may, in Purchaser's sole discretion, provide a "subsequent
offering period" in accordance with Rule 14d-11 under the Exchange Act. In the
event that we waive any condition set forth in Section 14, the SEC may, if the
waiver is deemed to constitute a material change to the information previously
provided to the stockholders, require that the Offer remain open for an
additional period of time and/or that we disseminate information concerning
such waiver.

   ORATEC has provided us with its stockholder lists and security position
listings for the purpose of disseminating the Offer to holders of Shares. We
will mail this Offer to Purchase, the related Letter of Transmittal and other
relevant materials to record holders of Shares and we will furnish the
materials to brokers, dealers, commercial banks, trust companies and similar
persons whose names, or the names of whose nominees, appear on the
securityholder lists or, if applicable, who are listed as participants in a
clearing agency's security position listing, for forwarding to beneficial
owners of Shares.

   We reserve the right (but are not obligated), in accordance with the Merger
Agreement and applicable rules and regulations of the SEC, to provide a
subsequent offering period of three business days to 20 business days after the
expiration of the initial offering period of the Offer and our purchase of
Shares tendered in the Offer. A subsequent offering period would give
stockholders who do not tender in the initial offering period of the Offer
another opportunity to tender their Shares and receive the same offer price. A
subsequent offering period, if one is provided, is not an extension of the
Offer, which already will have been completed. If we elect to provide a
subsequent offering period, we will disseminate additional tender offer
materials. During a subsequent offering period, stockholders will not have
withdrawal rights, and we will promptly purchase and pay for any Shares
tendered during the subsequent offering period at the same price paid in the
Offer.

2.   Acceptance for Payment and Payment for Shares.

   Upon the terms and subject to the conditions of the Offer (including, if we
extend or amend the Offer, the terms and conditions of the Offer as so extended
or amended), we will purchase, by accepting for payment, and will pay for, all
Shares validly tendered and not withdrawn prior to the Expiration Date promptly
(as permitted by Section 4) after the Expiration Date. In addition, subject to
applicable rules of the SEC, we reserve the right to delay acceptance for
payment of, or payment for, Shares pending receipt of any regulatory or
governmental approvals specified in Section 15.

   For information with respect to regulatory approvals that we are required to
obtain prior to the completion of the Offer, see Section 15.

   In all cases, we will pay for Shares purchased in the Offer only after
timely receipt by the Depositary of (a) certificates representing the Shares
(''Share Certificates'') or timely confirmation (a ''Book-Entry

                                      4



Confirmation'') of the book-entry transfer of the Shares into the Depositary's
account at The Depository Trust Company (the ''Book-Entry Transfer Facility'')
pursuant to the procedures set forth in Section 3; (b) the appropriate Letter
of Transmittal (or a facsimile), properly completed and duly executed, with any
required signature guarantees or an Agent's Message (as defined below) in
connection with a book-entry transfer; and (c) any other documents that the
Letter of Transmittal requires.

   The term "Agent's Message" means a message transmitted by the Book-Entry
Transfer Facility to, and received by, the Depositary and forming a part of a
Book-Entry Confirmation, which states that the Book-Entry Transfer Facility has
received an express acknowledgment from the participant in the Book-Entry
Transfer Facility tendering the Shares which are the subject of the Book-Entry
Confirmation that the participant has received and agrees to be bound by the
terms of the Letter of Transmittal and that we may enforce that agreement
against the participant.

   For purposes of the Offer, we will be deemed to have accepted for payment,
and purchased, Shares validly tendered and not withdrawn if, as and when we
give oral or written notice to the Depositary of our acceptance of the Shares
for payment pursuant to the Offer. In all cases, upon the terms and subject to
the conditions of the Offer, payment for Shares purchased pursuant to the Offer
will be made by deposit of the purchase price for the Shares with the
Depositary, which will act as agent for tendering stockholders for the purpose
of receiving payment from us and transmitting payment to validly tendering
stockholders.

   Under no circumstances will we pay interest on the purchase price for
Shares, regardless of any extension of the Offer or any delay in making such
payment.

   If we do not purchase any tendered Shares pursuant to the Offer for any
reason, or if you submit Share Certificates representing more Shares than you
wish to tender, we will return Share Certificates representing unpurchased or
untendered Shares, without expense to you (or, in the case of Shares delivered
by book-entry transfer into the Depositary's account at the Book-Entry Transfer
Facility pursuant to the procedures set forth in Section 3, the Shares will be
credited to an account maintained within the Book-Entry Transfer Facility), as
promptly as practicable following the expiration, termination or withdrawal of
the Offer.

   If, prior to the Expiration Date, we increase the price offered to holders
of Shares in the Offer, we will pay the increased price to all holders of
Shares that we purchase in the Offer, whether or not the Shares were tendered
before the increase in price.

   We reserve the right, subject to the provisions of the Merger Agreement, to
transfer or assign, in whole or from time to time in part, to one or more of
our wholly owned subsidiaries the right to purchase all or any portion of the
Shares tendered in the Offer, but any such transfer or assignment will not
relieve us of our obligations under the Offer or prejudice your rights to
receive payment for Shares validly tendered and accepted for payment in the
Offer.

3.    Procedures for Accepting the Offer and Tendering Shares.

   Valid Tender of Shares.  Except as set forth below, in order for you to
tender Shares in the Offer, the Depositary must receive the Letter of
Transmittal (or a facsimile), properly completed and signed, together with any
required signature guarantees or an Agent's Message in connection with a
book-entry delivery of Shares and any other documents that the Letter of
Transmittal requires at one of its addresses set forth on the back cover of
this Offer to Purchase on or prior to the Expiration Date and either (a) you
must deliver Share Certificates representing tendered Shares to the Depositary
or you must cause your Shares to be tendered pursuant to the procedure for
book-entry transfer set forth below and the Depositary must receive Book-Entry
Confirmation, in each case on or prior to the Expiration Date, or (b) you must
comply with the guaranteed delivery procedures set forth below.

                                      5



   The method of delivery of Share Certificates, the Letter of Transmittal and
all other required documents, including delivery through the Book-Entry
Transfer Facility, is at your option and sole risk, and delivery will be
considered made only when the Depositary actually receives the Share
Certificates. If delivery is by mail, registered mail with return receipt
requested, properly insured, is recommended. In all cases, you should allow
sufficient time to ensure timely delivery.

   Book-Entry Transfer.  The Depositary will make a request to establish an
account with respect to each of the Shares at the Book-Entry Transfer Facility
for purposes of the Offer within two business days after the date of this Offer
to Purchase. Any financial institution that is a participant in the system of
the Book-Entry Transfer Facility may make book-entry delivery of Shares by
causing the Book-Entry Transfer Facility to transfer the Shares into the
Depositary's account at the Book-Entry Transfer Facility in accordance with the
Book-Entry Transfer Facility's procedures. However, although Shares may be
delivered through book-entry transfer into the Depositary's account at the
Book-Entry Transfer Facility, the Depositary must receive the Letter of
Transmittal (or facsimile), properly completed and signed, with any required
signature guarantees, or an Agent's Message in connection with a book-entry
transfer, and any other required documents, at one of its addresses set forth
on the back cover of this Offer to Purchase on or before the Expiration Date,
or you must comply with the guaranteed delivery procedure set forth below.

   Delivery of documents to the Book-Entry Transfer Facility in accordance with
the Book-Entry Transfer Facility's procedures does not constitute delivery to
the Depositary.

   Signature Guarantees.  A bank, broker, dealer, credit union, savings
association or other entity which is a member in good standing of the
Securities Transfer Agents Medallion Program (an ''Eligible Institution'') must
guarantee signatures on all Letters of Transmittal, unless the Shares tendered
are tendered (a) by a registered holder of Shares who has not completed either
the box labeled ''Special Payment Instructions'' or the box labeled ''Special
Delivery Instructions'' on the Letter of Transmittal or (b) for the account of
an Eligible Institution. See Instruction 1 of the Letter of Transmittal.

   If the Share Certificates are registered in the name of a person other than
the signer of the Letter of Transmittal, or if payment is to be made to, or
Share Certificates for unpurchased Shares are to be issued or returned to, a
person other than the registered holder, then the tendered certificates must be
endorsed or accompanied by appropriate stock powers, signed exactly as the name
or names of the registered holder or holders appear on the certificates, with
the signatures on the certificates or stock powers guaranteed by an Eligible
Institution as provided in the Letter of Transmittal. See Instructions 1 and 5
of the Letter of Transmittal.

   If the Share Certificates are forwarded separately to the Depositary, a
properly completed and duly executed Letter of Transmittal (or facsimile) must
accompany each delivery of Share Certificates.

   Guaranteed Delivery.  If you want to tender Shares in the Offer and your
Share Certificates are not immediately available or time will not permit all
required documents to reach the Depositary on or before the Expiration Date or
the procedures for book-entry transfer cannot be completed on time, your Shares
may nevertheless be tendered if you comply with all of the following guaranteed
delivery procedures:

    (a)your tender is made by or through an Eligible Institution;

    (b)the Depositary receives, as described below, a properly completed and
       signed Notice of Guaranteed Delivery, substantially in the form made
       available by us, on or before the Expiration Date; and

    (c)the Depositary receives the Share Certificates (or a Book-Entry
       Confirmation) representing all tendered Shares, in proper form for
       transfer together with a properly completed and duly executed Letter of
       Transmittal (or facsimile), with any required signature guarantees (or,
       in the case of a book-entry transfer, an Agent's Message) and any other
       documents required by the Letter of Transmittal within three trading
       days after the date of execution of the Notice of Guaranteed Delivery. A
       ''trading day'' is any day on which the New York Stock Exchange is open
       for business.

                                      6



   You may deliver the Notice of Guaranteed Delivery by hand, mail or facsimile
transmission to the Depositary. The Notice of Guaranteed Delivery must include
a guarantee by an Eligible Institution in the form set forth in the Notice of
Guaranteed Delivery.

   Notwithstanding any other provision of the Offer, we will pay for Shares
only after timely receipt by the Depositary of Share Certificates for, or of
Book-Entry Confirmation with respect to, the Shares, a properly completed and
duly executed Letter of Transmittal (or facsimile thereof), together with any
required signature guarantees (or, in the case of a book-entry transfer, an
Agent's Message) and any other documents required by the Letter of Transmittal.
Accordingly, payment might not be made to all tendering stockholders at the
same time, and will depend upon when the Depositary receives Share Certificates
or Book-Entry Confirmation that the Shares have been transferred into the
Depositary's account at the Book-Entry Transfer Facility.

   Appointment as Proxy.  By executing the Letter of Transmittal, you
irrevocably appoint our designees, and each of them, as your agents,
attorneys-in-fact and proxies, with full power of substitution, in the manner
set forth in the Letter of Transmittal, to the full extent of your rights with
respect to the Shares that you tender and that we accept for payment and with
respect to any and all other Shares and other securities or rights issued or
issuable in respect of those Shares on or after the date of this Offer to
Purchase. All such powers of attorney and proxies will be considered
irrevocable and coupled with an interest in the tendered Shares. This
appointment will be effective when we accept your Shares for payment in
accordance with the terms of the Offer. Upon such acceptance for payment, all
other powers of attorney and proxies given by you with respect to your Shares
and such other securities or rights prior to such payment will be revoked,
without further action, and no subsequent powers of attorney and proxies may be
given by you (and, if given, will not be deemed effective). Our designees will,
with respect to the Shares and such other securities and rights for which the
appointment is effective, be empowered to exercise all your voting and other
rights as they in their sole discretion may deem proper at any annual or
special meeting of ORATEC's stockholders, or any adjournment or postponement
thereof, or by consent in lieu of any such meeting or otherwise. In order for
Shares to be deemed validly tendered, immediately upon the acceptance for
payment of such Shares, we or our designee must be able to exercise full
voting, consent and other rights with respect to such Shares and other
securities, including voting at any meeting of stockholders.

   Determination of Validity.  All questions as to the form of documents and
the validity, eligibility (including time of receipt) and acceptance for
payment of any tender of Shares will be determined by us, in our sole
discretion, which determination will be final and binding on all parties. We
reserve the absolute right to reject any or all tenders determined by us not to
be in proper form or the acceptance of or payment for which may, in the opinion
of our counsel, be unlawful. We also reserve the absolute right to waive any of
the conditions of the Offer (subject, in the case of the Minimum Condition, to
the consent of ORATEC) or any defect or irregularity in any tender of Shares of
any particular stockholder whether or not similar defects or irregularities are
waived in the case of other stockholders.

   Our interpretation of the terms and conditions of the Offer will be final
and binding. No tender of Shares will be deemed to have been validly made until
all defects and irregularities with respect to the tender have been cured or
waived by us. None of Parent, Smith & Nephew, Purchaser, the Dealer Manager,
the Depositary, the Information Agent or any other person or entity will be
under any duty to give any notification of any defects or irregularities in
tenders or incur any liability for failure to give any such notification.

   Our acceptance for payment of Shares tendered pursuant to any of the
procedures described above will constitute a binding agreement between us and
you upon the terms and subject to the conditions of the Offer.

4.  Withdrawal Rights.

   Except as described in this Section 4, tenders of Shares made in the Offer
are irrevocable. You may withdraw Shares that you have previously tendered in
the Offer at any time on or before the Expiration Date and, unless theretofore
accepted for payment as provided herein, may also be withdrawn at any time
after April 23, 2002.

   If, for any reason, acceptance for payment of any Shares tendered in the
Offer is delayed, or we are unable to accept for payment or pay for Shares
tendered in the Offer, then, without prejudice to our rights set forth in

                                      7



this document, the Depositary may, nevertheless, on our behalf, retain Shares
that you have tendered, and you may not withdraw your Shares except to the
extent that you are entitled to and duly exercise withdrawal rights as
described in this Section 4. Any such delay will be by an extension of the
Offer to the extent required by law.

   In order for your withdrawal to be effective, you must deliver a written or
facsimile transmission notice of withdrawal to the Depositary at one of its
addresses set forth on the back cover of this Offer to Purchase. Any such
notice of withdrawal must specify your name, the number of Shares that you want
to withdraw, and (if Share Certificates have been tendered) the name of the
registered holder of the Shares as shown on the Share Certificate, if different
from your name. If Share Certificates have been delivered or otherwise
identified to the Depositary, then prior to the physical release of such
certificates, you must submit the serial numbers shown on the particular
certificates evidencing the Shares to be withdrawn and an Eligible Institution
must guarantee the signature on the notice of withdrawal, except in the case of
Shares tendered for the account of an Eligible Institution. If Shares have been
tendered pursuant to the procedures for book-entry transfer set forth in
Section 3, the notice of withdrawal must also specify the name and number of
the account at the appropriate Book-Entry Transfer Facility to be credited with
the withdrawn Shares, in which case a notice of withdrawal will be effective if
delivered to the Depositary by any method of delivery described in the first
sentence of this paragraph. You may not rescind a withdrawal of Shares. Any
Shares that you withdraw will be considered not validly tendered for purposes
of the Offer, but you may tender your Shares again at any time before the
Expiration Date by following any of the procedures described in Section 3.

   All questions as to the form and validity (including time of receipt) of
notices of withdrawal will be determined by us, in our sole discretion, which
determination will be final and binding. None of Parent, Smith & Nephew,
Purchaser, the Dealer Manager, the Depositary, the Information Agent or any
other person or entity will be under any duty to give any notification of any
defects or irregularities in any notice of withdrawal or incur any liability
for failure to give any such notification.

5.   Material Federal Income Tax Consequences.

   Your receipt of cash for Shares in the Offer or the Merger will be a taxable
transaction for federal income tax purposes and may also be a taxable
transaction under applicable state, local, foreign and other tax laws. For
federal income tax purposes, if you sell or exchange your Shares for cash in
the Offer or the Merger, you would generally recognize gain or loss equal to
the difference between the amount of cash received and your tax basis for the
Shares that you sold or exchanged. That gain or loss will be capital gain or
loss (assuming you hold your Shares as a capital asset) and any such capital
gain or loss will be long term if, as of the date of sale or exchange, you have
held the Shares for more than one year. The maximum tax rate for noncorporate
taxpayers on adjusted net capital gain is 20%.

   Under the backup federal income tax withholding laws applicable to certain
stockholders (other than certain exempt stockholders, including, among others,
all corporations and certain foreign individuals), the Depositary may be
required to withhold 30% of the amount of any payments made to those
stockholders pursuant to the Offer and the Merger. To prevent backup federal
income tax withholding, you generally must provide the Depositary with your
correct taxpayer identification number and certify that you are not subject to
backup federal income tax withholding by completing the Substitute Form W-9
included in the Letter of Transmittal. See Instruction 8 of the Letter of
Transmittal.

   In general, any cash received by a stockholder who exercises appraisal
rights will result in the recognition of capital gain or loss. Any such
stockholder should consult his or her own tax advisor.

   The discussion above may not be applicable to certain types of stockholders,
including stockholders who acquired Shares through the exercise of employee
stock options or otherwise as compensation, individuals who are not citizens or
residents of the United States, foreign corporations, or entities that are
otherwise subject to special tax treatment under the Internal Revenue Code
(such as insurance companies, tax-exempt entities and regulated investment
companies).

                                      8



   The federal income tax discussion set forth above is included for general
information only. You are urged to consult your tax advisor with respect to the
specific tax consequences to you of the Offer and the Merger, including
federal, state, local and foreign tax consequences.

6.   Price Range of the Shares; Dividends

   According to ORATEC's Annual Report on Form 10-K for the fiscal year ended
December 31, 2000, the Shares are principally traded on the Nasdaq National
Market (''Nasdaq'') under the symbol "OTEC." The following table sets forth,
for the periods indicated, the reported high and low sale prices for the Shares
on Nasdaq. During such period, ORATEC has paid no cash dividends on the Shares.



                                                               High   Low
                                                              ------ ------
                                                               
    Fiscal 2000
    From April 4, 2000 through June 30, 2000................. $44.25 $19.13
    Quarter Ended September 30, 2000......................... $50.00 $ 9.88
    Quarter Ended December 31, 2000.......................... $14.13 $ 3.13

    Fiscal 2001
    Quarter Ended March 31, 2001............................. $11.88 $ 5.13
    Quarter Ended June 30, 2001.............................. $ 9.71 $ 5.41
    Quarter Ended September 30, 2001......................... $10.00 $ 5.50
    Quarter Ended December 31, 2001.......................... $ 6.85 $ 4.30

    Fiscal 2002
    Quarter Ending March 31, 2002 (through February 21, 2002) $12.44 $ 6.08


   Under the terms of the Merger Agreement, ORATEC is not permitted to declare
or pay dividends with respect to the Shares without the prior written consent
of Purchaser.

   On February 13, 2002, the last day on which there was a reported trade of
Shares prior to the announcement of the execution of the Merger Agreement, the
reported closing price per Share on Nasdaq was $8.90. On February 21, 2002, the
last full day of trading prior to the commencement of the Offer, the reported
closing price per Share on Nasdaq was $12.40.

   Stockholders are urged to obtain current market quotations for the Shares.

7.   Possible Effects of the Offer on the Market for the Shares; Nasdaq
   Quotation; Exchange Act Registration; Margin Regulations.

   Possible Effects of the Offer on the Market for the Shares.  The purchase of
Shares pursuant to the Offer will reduce the number of Shares that might
otherwise trade publicly and could adversely affect the liquidity and market
value of the remaining Shares held by the public. The purchase of Shares
pursuant to the Offer can also be expected to reduce the number of holders of
Shares. We cannot predict whether the reduction in the number of Shares that
might otherwise trade publicly would have an adverse or beneficial effect on
the market price for, or marketability of, the Shares or whether it would cause
future market prices to be greater or less than the Offer Price.

   Nasdaq Quotation.  Depending upon the number of Shares purchased pursuant to
the Offer, the Shares may no longer meet the standards for continued inclusion
in Nasdaq, which requires, among other things, that an issuer either (i) have
at least 750,000 publicly held shares, held by at least 400 round lot
stockholders, with a market value of at least $5,000,000, have at least two
market makers, and have a minimum bid price of $1 or (ii) have at least
1,100,000 publicly held shares, held by at least 400 round lot stockholders,
with a market value of at least $15,000,000, have at least four market makers,
have a minimum bid price of $3 and have either (A) a market capitalization of
at least $50,000,000 or (B) total assets and revenues each of at least
$50,000,000. If these standards are not met, the Shares might nevertheless
continue to be included in the Nasdaq Small Cap Market, which requires, among
other things, that an issuer have at least 500,000 publicly held shares, held
by at least 300 round lot stockholders, with a market value of at least
$1,000,000, have a minimum bid price of $1,

                                      9



have at least two market makers and have any of (A) a market capitalization of
at least $35,000,000, (B) stockholders' equity of at least $2,500,000, or (C)
net income (in the latest fiscal year or two of the last three fiscal years) of
at least $500,000, in order to continue to qualify for inclusion.

   If the Shares are no longer eligible for Nasdaq quotation, quotations might
still be available from other sources. The extent of the public market for the
Shares and the availability of such quotations would, however, depend upon the
number of holders of such Shares remaining at such time, the interest in
maintaining a market in such Shares on the part of securities firms, the
possible termination of registration of such Shares under the Exchange Act as
described below and other factors. We cannot predict whether the reduction in
the number of Shares that might otherwise trade publicly would have an adverse
or beneficial effect on the market price for or marketability of the Shares or
whether it would cause future market prices to be greater or less than the
Offer Price.

   Exchange Act Registration.  The Shares are currently registered under the
Exchange Act. The purchase of the Shares pursuant to the Offer may result in
the Shares becoming eligible for deregistration under the Exchange Act.
Registration of the Shares may be terminated upon application by ORATEC to the
SEC if the Shares are not listed on a ''national securities exchange'' and
there are fewer than 300 record holders of Shares. Termination of registration
of the Shares under the Exchange Act would substantially reduce the information
that ORATEC would be required to furnish to its stockholders and the SEC and
would make certain provisions of the Exchange Act, such as the short-swing
profit recovery provisions of Section 16(b) and the requirements of furnishing
a proxy statement in connection with stockholders' meetings pursuant to Section
14(a) or 14(c) and the related requirement of an annual report, no longer
applicable to ORATEC. If the Shares are no longer registered under the Exchange
Act, the requirements of Rule 13e-3 under the Exchange Act with respect to
''going private'' transactions would no longer be applicable to ORATEC. In
addition, the ability of ''affiliates'' of ORATEC and persons holding
''restricted securities'' of ORATEC to dispose of such securities pursuant to
Rule 144 promulgated under the Securities Act, may be impaired or, with respect
to certain persons, eliminated. If registration of the Shares under the
Exchange Act were terminated, the Shares would no longer be eligible for stock
exchange listing or Nasdaq reporting. We believe that the purchase of the
Shares pursuant to the Offer may result in the Shares becoming eligible for
deregistration under the Exchange Act, and it would be our intention to cause
ORATEC to make an application for termination of registration of the Shares as
soon as possible after successful completion of the Offer if the Shares are
then eligible for such termination.

   If registration of the Shares is not terminated prior to the Merger, then
the registration of the Shares under the Exchange Act and the listing of the
Shares on the Nasdaq will be terminated following the completion of the Merger.

   Margin Regulations.  The Shares are currently ''margin securities'' under
the regulations of the Board of Governors of the Federal Reserve System, which
have the effect, among other things, of allowing brokers to extend credit on
the collateral of the Shares for the purpose of buying, carrying or trading in
securities (''Purpose Loans''). Depending upon factors such as the number of
record holders of the Shares and the number and market value of publicly held
Shares, following the purchase of Shares pursuant to the Offer, the Shares
might no longer constitute ''margin securities'' for purposes of the Federal
Reserve Board's margin regulations and, therefore, could no longer be used as
collateral for Purpose Loans made by brokers. In addition, if registration of
the Shares under the Exchange Act were terminated, the Shares would no longer
constitute ''margin securities.''

8.   Certain Information Concerning ORATEC.

   ORATEC's principal executive offices are located at 3700 Haven Court, Menlo
Park, California 94025. Its telephone number at such offices is (650) 369-9904.
The following description of ORATEC and its business has been taken from
ORATEC's Annual Report on Form 10-K for the fiscal year ended December 31, 2000
and is qualified in its entirety by reference to ORATEC's Form 10-K.

   ORATEC develops and markets innovative medical devices that use controlled
thermal energy to treat spine and joint disorders. ORATEC currently markets two
minimally invasive systems, the SpineCATH IntraDiscal

                                      10



ElectroThermal Therapy, or IDET, system and the ElectroThermal Arthroscopy
System. These proprietary systems deliver heat to modify, cut or remove damaged
or stretched tissue.

   ORATEC files annual, quarterly and special reports, proxy statements and
other information with the SEC. You may read and copy any reports, statements
or other information filed at the SEC's public reference room at 450 Fifth
Street, N.W., Washington, D.C. 20549. Please call the SEC at 1-800-SEC-0330 for
further information on the public reference room. ORATEC's SEC filings are also
available to the public from commercial document retrieval services and at the
Internet world wide web site maintained by the SEC at http://www.sec.gov.

   Although we have no knowledge that any such information is untrue, we take
no responsibility for the accuracy or completeness of information contained in
this Offer to Purchase with respect to ORATEC or any of its affiliates or for
any failure by ORATEC to disclose events which may have occurred or may affect
the significance or accuracy of any such information.

   Set forth below is certain summary consolidated financial data with respect
to ORATEC that has been excerpted or derived from financial information
contained in ORATEC's Annual Report on Form 10-K for the fiscal year ended
December 31, 2000 and from the unaudited financial statements contained in
ORATEC's Quarterly Report on Form 10-Q for the quarter ended September 30,
2001. More comprehensive financial information is included in such report and
other documents filed by ORATEC with the SEC, and the following summary is
qualified in its entirety by reference to such report and such other documents
and all the financial information (including any related notes) contained
therein. Such report and other documents should be available for inspection and
copies thereof should be obtainable in the manner set forth above.

                          ORATEC Interventions, Inc.
                     Selected Consolidated Financial Data
                 (amount in thousands, except per share data)



                                                     Nine Months Ended                 Years Ended
                                               ------------------------------ ----------------------------
                                                                                 
                                                September 30,  September 30,   December 31,   December 31,
Statement of Operations Data:                       2001            2000           2000           1999
- -----------------------------                  --------------  -------------- -------------  -------------
                                                (unaudited)     (unaudited)
Sales......................................... $       36,308  $       37,754 $      49,919  $      31,365
Cost of sales.................................         11,537          11,382        15,556         13,030
                                               --------------  -------------- -------------  -------------
Gross profit..................................         24,711          26,372        34,363         18,335
Operating expenses:
 Research and development.....................          4,239           4,293         5,842          4,085
 Sales and marketing..........................         18,409          17,210        23,624         17,541
 General and administrative...................          3,326           3,568         4,536          5,043
 Stock compensation...........................            251           1,102         1,115            624
                                               --------------  -------------- -------------  -------------
Total operating expenses......................         26,225          26,173        35,117         27,293
                                               --------------  -------------- -------------  -------------
Income (loss) from operations.................         (1,454)            199          (754)        (8,958)
Interest income (expense), net................          1,982             994         1,837           (711)
                                               --------------  -------------- -------------  -------------
Income (loss) before taxes....................            528           1,193         1,083         (9,669)
Provision for income taxes....................             26              60            48             --
                                               --------------  -------------- -------------  -------------
Net income (loss)............................. $          502  $        1,133 $       1,035  $      (9,669)
                                               ==============  ============== =============  =============
Net income (loss) per common share, basic..... $         0.02  $         0.07 $        0.06  $       (2.30)
Net income (loss) per common share, diluted... $         0.02  $         0.05 $        0.05  $       (2.30)
Shares used in computing net income (loss) per
  common share, basic.........................         22,909          15,944        17,556          4,201
Shares used in computing net income (loss) per
  common share, diluted.......................         23,595          22,737        22,954          4,201


                                      11





                                  September 30, December 31, December 31,
      Balance Sheet Data:             2001          2000         1999
      -------------------         ------------- ------------ ------------
                                                    
      Total current assets.......    66,474        68,073       19,432
      Property and equipment, net     9,064         8,985        4,409
      Intangible assets..........     3,480            --           --
      Other long-term assets.....       100            --           --
      Total current liabilities..     6,317         6,721       13,062
      Stockholders' Equity.......    72,801        70,337        6,431


   Projections.  ORATEC does not, as a matter of course, make public forecasts
or projections as to future revenues, earnings or other income statement data.
However, certain projections (the ''Projections'') were provided to the ORATEC
Board, as well as to Parent, Smith & Nephew, Purchaser and their advisers in
connection with the negotiation of the Merger Agreement.

   The Projections were prepared by ORATEC solely for internal use and not for
public disclosure. The Projections were not prepared with a view to complying
with the published guidelines of the SEC regarding projections or with the
American Institute of Certified Public Accountants Guide to Prospective
Financial Statements. Neither ORATEC's independent auditors, nor any other
independent accountants, have compiled, examined or performed any procedures
with respect to the prospective financial information contained in the
Projections. The Projections do not reflect any of the effects of the Offer,
the Merger or other changes that in the future may be deemed appropriate in
light of the circumstances then existing.

   The Projections necessarily are based upon numerous estimates and
assumptions that are inherently subject to significant economic, industry and
competitive risks, uncertainties and contingencies, including industry
performance, general business and economic conditions, and other matters, all
of which are difficult to predict and many of which are beyond the control of
ORATEC. Accordingly, there can be no assurance that the projected results would
be realized or that actual results would not be significantly higher, or lower,
than those projected. The inclusion of this forward-looking information should
not be regarded as fact or an indication that Parent, Smith & Nephew, Purchaser
or ORATEC or anyone who received this information considered it a reliable
predictor of future results, and this information should not be relied on as
such. None of Parent, Smith & Nephew, Purchaser or ORATEC assumes any
responsibility for the validity, reasonableness, accuracy or completeness of
the Projections. ORATEC does not intend to update or revise the Projections.

   The following are the Projections:



                                                  Years Ended
                                         ----------------------------
                                                   
          (Dollars in Millions)           2002   2003   2004    2005
          ---------------------          -----  -----  ------  ------
          Sales......................... $58.0  $91.4  $126.0  $160.7

          Gross Margin.................. $40.9  $68.8  $ 97.9  $127.2
          Gross Margin as % of Sales....  70.6%  75.3%   77.7%   79.1%

          Expense....................... $40.8  $50.4  $ 62.4  $ 72.1
          Expense as % of Sales.........  70.4%  55.2%   49.5%   44.9%

          Operating Profit.............. $ 0.1  $18.4  $ 35.5  $ 55.1
          Operating Profit as % of Sales   0.2%  20.1%   28.2%   34.3%


9.   Certain Information Concerning Purchaser, Smith & Nephew and Parent.

   Purchaser is a newly incorporated Delaware corporation organized in
connection with the Offer and the Merger and has not carried on any activities
other than in connection with the Offer and the Merger. Purchaser is a wholly
owned subsidiary of Smith & Nephew. The principal executive office of Purchaser
is located at 1450 Brooks Road, Memphis, Tennessee 38116. Purchaser's telephone
number at such offices is (901) 396-2121.

                                      12



   Until immediately prior to the time that Purchaser will purchase Shares
pursuant to the Offer, it is not anticipated that Purchaser will have any
significant assets or liabilities or engage in activities other than those
incident to its formation and capitalization and the transactions contemplated
by the Offer and the Merger. Because Purchaser is newly formed and has minimal
assets and capitalization and no operating history, no meaningful financial
information regarding Purchaser is available.

   Smith & Nephew, a Delaware corporation, has its principal executive office
at 1450 Brooks Road, Memphis, Tennessee 38116. Smith & Nephew's telephone
number at such offices is (901) 396-2121. Smith & Nephew is an indirect wholly
owned subsidiary of Parent. Smith & Nephew consists of the following United
States operations: Orthopaedics, Memphis, Tennessee; Endoscopy, Andover and
Mansfield, Massachusetts and Oklahoma City, Oklahoma; Wound Management, Largo,
Florida; and Rehabilitation, Germantown, Wisconsin. These divisions employ
approximately 3,000 people in the United States.

   Parent, a public limited company incorporated in Great Britain and
registered in and operating under the laws of England and Wales, has its
principal executive office at 15 Adam Street, London WC2N 6LA. Parent's
telephone number at such offices is 011-44-207-401-7646. Parent is a global
healthcare company, which, together with its subsidiaries, has operations in 34
countries and established sales in more than 90 countries. Parent employs
almost 7,500 people worldwide, including approximately 3,078 in the United
States and approximately 1,739 in the United Kingdom. Parent focuses on the
development and marketing of medical devices in the growth sectors of
orthopaedics, endoscopy and advanced wound management.

   Parent files Forms 20-F, Forms 6-K and other documents with the SEC relating
to its business, financial condition and other matters. You may inspect or copy
these reports and other information at the SEC's public reference facilities,
and they should be available for inspection in the same manner as set forth
with respect to ORATEC in Section 8 (except that they are not available for
inspection on the SEC's Internet world wide web site).

   The name, citizenship, business address, present principal occupation and
material positions held during the past five years of each of the directors and
executive officers of Parent, Smith & Nephew and the Purchaser are set forth in
Schedule I to this Offer to Purchase. Except as expressly noted in Schedule I
to this Offer to Purchase, each such executive officer and director is a
citizen of the United States of America. During the past five years, none of
the executive officers or directors has been convicted in a criminal proceeding
(excluding traffic violations or similar misdemeanors), or been a party to a
civil proceeding of a judicial or administrative body of competent jurisdiction
and as a result of such proceeding was or is subject to a judgment, decree or
final order enjoining future violations of, or prohibiting or mandating
activities subject to, federal or state securities laws or finding any
violation with respect to such laws.

   Except as described in this Offer to Purchase, none of Purchaser, Smith &
Nephew, Parent, or to the best knowledge of Purchaser, Smith & Nephew or
Parent, any of the persons listed in Schedule I hereto, owns or has any right
to acquire any Shares and none of them has effected any transaction in the
Shares during the past 60 days.

   Except as set forth in this Offer to Purchase, none of Purchaser, Smith &
Nephew, Parent or, to the best knowledge of Purchaser, Smith & Nephew or
Parent, any of the persons listed in Schedule I hereto, has any contract,
arrangement, understanding or relationship with any other person with respect
to any securities of ORATEC, including, but not limited to, any contract,
arrangement, understanding or relationship concerning the transfer or the
voting of any such securities, joint ventures, loan or option arrangements,
puts or calls, guaranties of loans, guaranties against loss or the giving or
withholding of proxies. Except as set forth in this Offer to Purchase, there
have been no contacts, negotiations or transactions between Purchaser, Smith &
Nephew or Parent, or, to the best knowledge of Purchaser, Smith & Nephew or
Parent, any of the persons listed in Schedule I hereto, on the one hand, and
ORATEC or its affiliates, on the other hand, concerning a merger, consolidation
or acquisition, a tender offer or other acquisition of securities, an election
of directors or a sale or other transfer of a

                                      13



material amount of assets. Except as described in this Offer to Purchase, none
of Purchaser, Smith & Nephew, Parent or, to the best knowledge of Purchaser,
Smith & Nephew or Parent, any of the persons listed in Schedule I hereto, has
had any transaction with ORATEC or any of its executive officers, directors or
affiliates that would require disclosure under the rules and regulations of the
SEC applicable to the Offer.

10.  Background of the Offer; Contacts with ORATEC.

   As part of its long term plan to review strategic business opportunities, in
May 2000 ORATEC engaged J.P. Morgan to act as its financial advisor.

   As part of its customary review of its strategic business development plans
for 2001, in early 2001 Parent determined to pursue acquisition opportunities
in the area of radio frequency technology and related products that would
complement and expand the product offerings of Parent's Endoscopy Division.

   In February 2001, representatives of U.S. Bancorp Piper Jaffray Inc. ("Piper
Jaffray") met with senior management of Parent to discuss potential acquisition
candidates in the United States, including ORATEC. Representatives of Piper
Jaffray subsequently requested a meeting with Mr. Ken Anstey, President and
Chief Executive Officer of ORATEC.

   On April 19, 2001, representatives of Piper Jaffray met with Mr. Anstey in
Menlo Park, California to discuss the possibility of a strategic acquisition of
ORATEC by Smith & Nephew. At the meeting, Mr. Anstey indicated that ORATEC was
in the midst of implementing its operating strategy and was not at that time
interested in pursuing discussions relating to such a transaction.

   On July 19, 2001, members of senior management of Smith & Nephew, including
Mr. Ron Sparks, President, Endoscopy Division of Smith & Nephew, members of
senior management of Parent and representatives of Piper Jaffray met with Mr.
Anstey in Menlo Park, California. At the meeting, Mr. Anstey gave an overview
presentation of ORATEC and Mr. Sparks gave an overview presentation of Parent
and Smith & Nephew. At the meeting, the parties discussed Smith & Nephew's
continued desire to commence discussions relating to the possible acquisition
of ORATEC by Smith & Nephew.

   On July 31, 2001, the ORATEC Board met at a special meeting to discuss
ORATEC's recent meeting with Smith & Nephew. J.P. Morgan gave the ORATEC Board
a presentation related to potential acquisition scenarios. The ORATEC Board
engaged in a lengthy discussion relating to potential transactions, including a
potential transaction with Smith & Nephew. The ORATEC Board determined that it
would not pursue further discussions with Smith & Nephew at that time.

   In September 2001, representatives of Piper Jaffray had several
conversations with Mr. Anstey and with Mr. Richard Ferrari, Chairman of ORATEC,
regarding a possible acquisition of ORATEC by Smith & Nephew.

   In September 2001, Mr. Anstey was contacted by senior management of another
company ("Company A") to discuss potential strategic business opportunities.
Mr. Anstey had several meetings and discussions with a representative of
Company A to discuss a potential strategic relationship between ORATEC and
Company A.  Following these initial discussions, ORATEC and Company A decided
not to pursue a strategic transaction in the near term.

   On September 21, 2001, Smith & Nephew formally engaged Piper Jaffray to act
as Smith & Nephew's financial advisor in connection with possible strategic
transactions in the United States in the area of endoscopy.

   On October 9, 2001, representatives of Piper Jaffray gave a presentation to
senior management of Parent regarding a possible acquisition of ORATEC by Smith
& Nephew. At a regular meeting on November 1, 2001, senior management of Parent
briefed the board of directors of Parent on discussions with ORATEC.

   On November 8, 2001, Mr. Peter Huntley, Group Director, Business Development
of Parent, Mr. Sparks and representatives of Piper Jaffray met with Mr. Anstey,
Ms. Nancy V. Westcott, Chief Financial Officer and Vice President of
Administration of ORATEC, and representatives of J.P. Morgan in New York City.
Smith &

                                      14



Nephew indicated its interest in the acquisition of ORATEC at a price of $11.25
per Share in cash, based on the information with respect to ORATEC that it had
reviewed to date. Mr. Anstey and representatives of J.P. Morgan indicated that
ORATEC would not be interested in discussing an acquisition by Smith & Nephew
at that price. After the meeting, representatives of Piper Jaffray and
representatives of J.P. Morgan had discussions relating to Smith & Nephew's
valuation of ORATEC.

   On November 27, 2001, members of senior management of Parent and Smith &
Nephew and representatives of Piper Jaffray met with members of senior
management of ORATEC and representatives of J.P. Morgan in New York City.
Senior management of ORATEC gave a presentation of the business, operations and
financial condition of ORATEC. At the meeting, senior management of Smith &
Nephew and representatives of Piper Jaffray indicated that they would use the
information provided by ORATEC to determine whether Smith & Nephew would be
willing to increase its proposed purchase price. Also on November 27, Smith &
Nephew and ORATEC entered into a mutual confidentiality agreement.

   On November 27, 2001, Mr. Anstey requested that J.P. Morgan renew
discussions with another company ("Company B") with whom ORATEC had had prior
discussions in 2000 and 2001 relating to a possible acquisition of ORATEC by
Company B. On December 5, 2001, ORATEC entered into a mutual confidentiality
agreement with Company B. On December 6, 2001, ORATEC met with Company B to
discuss a potential transaction and gave Company B a presentation relating to
ORATEC's business.

   On December 7, 2001, Mr. Sparks delivered a letter to Mr. Anstey containing
Smith & Nephew's indication of interest in acquiring ORATEC through a tender
offer for all outstanding Shares at $12.50 per Share in cash followed by a
back-end merger at the same price, subject to completion of satisfactory due
diligence, negotiation and execution of a definitive merger agreement and of
agreements providing for directors and executive officers of ORATEC to support
the transaction and approval of the board of directors of Parent. This letter
also requested that ORATEC enter into an exclusivity agreement with Smith &
Nephew so that Smith & Nephew could complete its due diligence investigation of
ORATEC.

   On December 10, 2001, at a regularly scheduled meeting of the ORATEC Board,
representatives of J.P. Morgan presented Smith & Nephew's indication of
interest to the ORATEC Board along with a detailed analysis of alternative
scenarios. The ORATEC Board directed senior management to continue discussions
with Smith & Nephew.

   On December 14, 2001, the ORATEC Board held a telephonic meeting to continue
its deliberations regarding the options then available to ORATEC. Following a
report by representatives of J.P. Morgan on discussions they had engaged in
with Company B, the ORATEC Board concluded that Company B would not be able to
present ORATEC with the terms of a proposed offer in a timely manner, and that
any delay in responding to Smith & Nephew's indication of interest could
jeopardize a possible transaction with Smith & Nephew. The ORATEC Board then
authorized senior management of ORATEC to pursue a possible transaction with
Smith & Nephew at a price of $12.50 per Share and to enter into an exclusivity
agreement with Smith & Nephew.

   On December 19, 2001, Smith & Nephew and ORATEC entered into an exclusivity
agreement pursuant to which ORATEC agreed, for a period extending until January
23, 2002, not to solicit, initiate or encourage the submission of proposals by
third parties relating to an acquisition of ORATEC.

   From December 19, 2001 through December 21, 2001, senior management of Smith
& Nephew, representatives of Piper Jaffray, Smith & Nephew's legal counsel and
Smith & Nephew's accounting advisors met with ORATEC's senior management,
representatives of J.P. Morgan and ORATEC's legal counsel in Menlo Park,
California to perform financial, operational and legal due diligence. During
the last two weeks of 2001 and the first two weeks of January 2002, Smith &
Nephew and its legal and financial advisors continued their due diligence
investigation of ORATEC with the cooperation of senior management of ORATEC and
ORATEC's legal and financial advisors.

   On January 8, 2002, Smith & Nephew's legal counsel delivered a draft merger
agreement and a draft stockholder agreement to ORATEC's legal counsel. Between
January 8, 2002 and February 13, 2002,

                                      15



representatives of Smith & Nephew and ORATEC and their respective legal counsel
and financial advisors held numerous meetings and conferences during which the
draft agreements were discussed and negotiated.

   On January 16, 2002, members of senior management of Smith & Nephew and its
legal counsel and representatives of Piper Jaffray met with senior management
of ORATEC, representatives of J.P. Morgan and ORATEC's legal counsel to conduct
additional due diligence.

   On January 21, 2002, at a regularly scheduled board meeting, senior
management of ORATEC updated the ORATEC Board on Smith & Nephew's due diligence
effort and negotiations with Smith & Nephew relating to the merger agreement
and stockholder agreement.

   On February 5, 2002, ORATEC and Smith & Nephew executed an amendment
extending the exclusivity agreement from January 23, 2002 to February 13, 2002.
On February 6, 2002 at a regularly scheduled board meeting, senior management
of Parent updated Parent's board of directors on negotiations between Smith &
Nephew and ORATEC. Between February 7, 2002 and February 13, 2002, the parties
and their respective legal counsel continued to negotiate the terms of the
proposed merger agreement and stockholder agreement.

   On February 13, 2002, the board of directors of Parent approved the proposed
transaction after receiving a presentation of the material terms of the
proposed transaction from senior management. On the same date, the Offer, the
Merger, the Merger Agreement and the related transactions were approved by the
board of directors of each of Smith & Nephew and Purchaser.

   On the morning of February 13, 2002, the ORATEC Board had a telephonic
meeting with senior management of ORATEC, ORATEC's legal counsel and
representatives of J.P. Morgan to discuss the status of negotiations with Smith
& Nephew and the directors' comments on the Merger Agreement and Stockholder
Agreement. Representatives of ORATEC's legal counsel then presented a detailed
review of the terms of the Merger Agreement and the Stockholder Agreement and
reviewed for the ORATEC Board the ORATEC Board's fiduciary duties with respect
to the transaction. Representatives of J.P. Morgan presented J.P. Morgan's
analysis of information to serve as the basis for evaluating the proposed price
to be paid pursuant to the Offer and the Merger and rendered to the ORATEC
Board its oral opinion (which opinion was subsequently confirmed by delivery of
a written opinion dated February 13, 2002) that, as of such date and based on
and subject to the matters described in the opinion, the $12.50 per Share cash
consideration to be received by the holders of the Shares pursuant to the Offer
and the Merger was fair, from a financial point of view, to such holders.
Representatives of J.P. Morgan then responded to questions raised by the ORATEC
Board regarding its analysis and opinion. The ORATEC Board then engaged in a
full discussion of the terms of the proposed Merger Agreement and Stockholder
Agreement, the various factors considered by the ORATEC Board in approving the
Merger Agreement and recommending the Offer and the analysis and opinion of
J.P. Morgan. Thereafter, the ORATEC Board unanimously approved the Merger
Agreement, the Offer and the Merger, determined that the terms of the Offer and
the Merger are fair to, and in the best interests of, stockholders of ORATEC
and recommended that the stockholders of ORATEC accept the Offer and tender
their Shares pursuant to the Offer.

   In the evening of February 13, ORATEC, Smith & Nephew and Purchaser executed
the Merger Agreement and Smith & Nephew, Purchaser and the Tendering
Stockholders (as defined herein) executed the Stockholder Agreements. Public
disclosure of the execution of the Merger Agreement was made by joint press
release on February 14, 2002, prior to the opening of trading of the Shares on
Nasdaq.

   On February 22, 2002, in accordance with the Merger Agreement, Purchaser
commenced the Offer.

11.  Purpose of the Offer and the Merger; The Merger Agreement; The
   Confidentiality Agreement; The Stockholder Agreements; Statutory
   Requirements; Appraisal Rights; Rule 13e-3; Plans for ORATEC After the Offer
   and the Merger.

   Purpose of the Offer and the Merger.  The purpose of the Offer and the
Merger is for Smith & Nephew to acquire all of the outstanding Shares. Upon the
consummation of the Merger, ORATEC will become a wholly

                                      16



owned subsidiary of Smith & Nephew. The acquisition of Shares has been
structured as a cash tender offer followed by a cash merger in order to effect
a prompt and orderly transfer of ownership of ORATEC from the public
stockholders to Smith & Nephew and provide stockholders with cash for all of
their Shares.

   Stockholders of ORATEC who sell their Shares pursuant to the Offer will
cease to have any equity interest in ORATEC or the right to participate in its
earnings and future growth. If the Merger is consummated, non-tendering
stockholders will no longer have an equity interest in ORATEC. Similarly, after
selling their Shares pursuant to the Offer or the subsequent Merger,
stockholders of ORATEC will no longer bear the risk of any decrease in the
value of ORATEC.

   The Merger Agreement.  The following summary description of the Merger
Agreement is qualified in its entirety by reference to the agreement itself,
which is filed as an exhibit to the Schedule TO that we filed with the SEC,
which you may examine and copy as set forth in Section 8 above.

   The Offer.  The Merger Agreement provides for the commencement of the Offer
by Purchaser. The obligation of Purchaser to accept for payment and pay for
Shares validly tendered pursuant to the Offer is subject to the prior
satisfaction or waiver by Purchaser of the conditions to the Offer set forth in
Section 14 hereof. The Merger Agreement provides that, without the prior
written consent of ORATEC, Purchaser will not (a) reduce the number of Shares
subject to the Offer, (b) reduce the Offer Price, (c) impose additional
conditions to the Offer other than the conditions set forth in Section 14 or
modify the conditions to the Offer (other than to waive any condition of the
Offer to the extent permitted by the Merger Agreement), (d) except as described
in the following paragraph, extend the Offer, (e) change the form of
consideration payable in the Offer or (f) otherwise amend the terms and
conditions of the Offer in a manner adverse to the holders of Shares.

   We have agreed with ORATEC that we will not extend the Offer, without the
consent of ORATEC; provided, however, that without the consent of ORATEC, we
may extend the Offer (a) if, at the scheduled or extended expiration date of
the Offer any of the conditions to Purchaser's obligation to accept Shares for
payment are not satisfied or waived, until such time as such conditions are
satisfied or waived, (b) for any period required by any rule, regulation,
interpretation or position of the SEC or the staff thereof applicable to the
Offer and (c) on one or more occasions for an aggregate period of not more than
ten business days beyond the latest expiration date that would otherwise be
permitted under the terms of the Merger Agreement if there shall not have been
tendered a sufficient number of Shares to enable the Merger to be effected in
accordance with Section 253 of the DGCL, in each case subject to the right of
Smith & Nephew, Purchaser or ORATEC to terminate the Merger Agreement pursuant
to its terms.

   We have also agreed with ORATEC that if at any scheduled expiration date of
the Offer, the Minimum Condition or the HSR Condition (as defined in Section
14) or the conditions to the Offer described in paragraph (e) or (f) of Section
14 shall not have been satisfied but all of the conditions to the Offer
described in paragraphs (a), (b), (c), (d) and (g) of Section 14 shall then be
satisfied, at the request of ORATEC, we will extend the Offer from time to time
subject to any right of Smith & Nephew, Purchaser or ORATEC to terminate the
Merger Agreement pursuant to its terms; provided, however, that Purchaser will
not be required to extend the Offer if any person or "group" (as defined in
Section 13(d)(3) of the Exchange Act), other than Smith & Nephew, Purchaser or
their affiliates or any group of which any of them is a member, has acquired,
or announced and not withdrawn its intention to acquire, beneficial ownership
(as determined pursuant to Rule 13d-3 promulgated under the Exchange Act) of
15% or more of the Shares.

   The Merger.  The Merger Agreement provides that Purchaser will be merged
with and into ORATEC following the satisfaction or waiver of the conditions to
the Merger contained in the Merger Agreement. As a result of the Merger, the
separate corporate existence of Purchaser will cease and ORATEC will continue
as the Surviving Corporation.

   At the effective time of the Merger (the ''Effective Time''), the
Certificate of Incorporation and Bylaws of ORATEC shall be the Certificate of
Incorporation and Bylaws of the Surviving Corporation; the directors of

                                      17



Purchaser shall become the directors of the Surviving Corporation and the
officers of ORATEC shall become the officers of the Surviving Corporation.

   ORATEC has agreed in the Merger Agreement that it will, if required by
applicable law and at Smith & Nephew's request, as soon as practicable
following the purchase of Shares pursuant to the Offer, (a) prepare and file
with the SEC a preliminary proxy statement relating to the Merger Agreement and
use its reasonable best efforts to respond to any comments of the SEC and its
staff and to cause the proxy statement to be mailed to its stockholders as
promptly as practicable after responding to all such comments to the
satisfaction of the staff and (b) convene a special meeting of its stockholders
for the purpose of considering the adoption of the Merger Agreement. The Merger
Agreement provides that if Purchaser or any other direct or indirect subsidiary
of Smith & Nephew owns at least 90% of the outstanding Shares, Smith & Nephew,
Purchaser and ORATEC shall take all necessary and appropriate action to cause
the Merger to become effective as soon as practicable after expiration of the
Offer without a meeting of the stockholders of ORATEC, in accordance with
Section 253 of the DGCL.

   Conversion of Securities.  As of the Effective Time, by virtue of the Merger
and without any action on the part of Purchaser, ORATEC or the holders of any
securities of Purchaser or ORATEC, each Share (other than Shares held in the
treasury of ORATEC, Shares owned by Smith & Nephew or any wholly owned
subsidiary of Smith & Nephew and Shares owned by stockholders, if any, who
properly exercise appraisal rights under the DGCL) shall be converted into the
right to receive from the Surviving Corporation, in cash, without interest, the
Merger Consideration. Each share of stock of Purchaser issued and outstanding
immediately prior to the Effective Time shall, at the Effective Time, by virtue
of the Merger and without any action on the part of the holder of any shares of
stock of Purchaser, be converted into and become one fully paid and
nonassessable share of common stock of the Surviving Corporation.

   The Merger Agreement provides that Smith & Nephew or the designated paying
agent will be entitled to deduct and withhold from the consideration otherwise
payable pursuant to the Merger Agreement to any holder of Shares such amounts
as Smith & Nephew or such paying agent is required to deduct and withhold with
respect to the making of such payment under the Internal Revenue Code or the
rules and regulations promulgated thereunder or any provision of state, local
or foreign tax law.

   Representations and Warranties.  In the Merger Agreement, ORATEC has made
customary representations and warranties to Smith & Nephew and Purchaser. The
representations and warranties of ORATEC relate, among other things, to its
organization, good standing and corporate power; capital structure; authority
to enter into the Merger Agreement and to consummate the transactions
contemplated thereby; required consents and approvals and no violations;
filings made by ORATEC with the SEC under the Securities Act of 1933, as
amended (the ''Securities Act''), and the Exchange Act (including financial
statements included in the documents filed by ORATEC under these acts);
information supplied by ORATEC; the absence of certain events since December
31, 2000; permits and compliance with laws; tax matters; actions and
proceedings; compensation agreements; benefit plans and employees and
employment practices; liabilities; certain labor matters; intellectual property
matters; title to assets; inventories; environmental matters; state takeover
statutes; the Rights Agreement; required votes; transactions with affiliates;
suppliers and sales representatives; insurance; accounts receivable; products;
and brokers.

   Purchaser and Smith & Nephew have also made customary representations and
warranties to ORATEC. Representations and warranties of Purchaser and Smith &
Nephew relate, among other things, to: their organization and good standing;
authority to enter into the Merger Agreement and to consummate the transactions
contemplated thereby; required consents and approvals and no violations;
information supplied by Purchaser and Smith & Nephew; interim operations of
Purchaser; ownership of Shares; brokers; and financing.

   Covenants Relating to the Conduct of Business.  During the period from the
date of the Merger Agreement through the Effective Time, ORATEC has agreed
that, except to the extent Smith & Nephew shall otherwise consent in writing:

(a)  ORATECshall in all material respects carry on its business in the ordinary
           course of its business as currently conducted and, to the extent
           consistent therewith, use reasonable best efforts to preserve

                                      18



       intact its current business organizations, keep available the services
       of its current officers and employees and preserve its relationships
       with customers, suppliers and others having business dealings with it to
       the end that its goodwill and ongoing business shall be unimpaired at
       the Effective Time;

    (b)ORATEC shall not (i) declare, set aside or pay any dividends on, or make
       any other actual, constructive or deemed distributions in respect of,
       any of its capital stock, or otherwise make any payments to its
       stockholders in their capacity as such, (ii) split, combine or
       reclassify any of its capital stock or issue or authorize the issuance
       of any other securities in respect of, in lieu of or in substitution for
       shares of its capital stock or (iii) purchase, redeem or otherwise
       acquire any shares of capital stock of ORATEC or any other securities
       thereof or any rights, warrants or options to acquire any such shares or
       other securities;

    (c)ORATEC shall not issue, deliver, sell, pledge, grant, dispose of or
       otherwise encumber any shares of its capital stock, any other voting
       securities or equity equivalent or any securities convertible into, or
       any rights, warrants or options to acquire any such shares, voting
       securities, equity equivalent or convertible securities, other than (i)
       the issuance of shares of Common Stock upon the exercise of options or
       warrants to purchase Shares that was outstanding on the date of the
       Merger Agreement in accordance with their current terms, and (ii) the
       issuance of shares of Common Stock pursuant to the Stock Purchase Plan
       in accordance with the Merger Agreement;

    (d)ORATEC shall not amend its charter or by-laws or equivalent
       organizational documents;

    (e)ORATEC shall not acquire or agree to acquire by merging or consolidating
       with, or by purchasing a substantial portion of the assets of or equity
       in, or by any other manner, any business or any corporation, limited
       liability company, partnership, association or other business
       organization or division thereof or otherwise acquire or agree to
       acquire any assets;

    (f)ORATEC shall not sell, lease, pledge or otherwise dispose of or
       encumber, or agree to sell, lease, pledge or otherwise dispose of or
       encumber, any of its assets with a fair market value in excess of
       $100,000, other than sales of inventory that are in the ordinary course
       of business consistent with past practice;

    (g)ORATEC shall not (i) incur any indebtedness for borrowed money,
       guarantee any such indebtedness or make any loans, advances or capital
       contributions to, or other investments in, any other person or entity,
       other than in the ordinary course of business consistent with past
       practices and, in the case of indebtedness and guarantees, in an amount
       not to exceed $250,000 or (ii) invest its cash or reinvest its maturing
       investments in investments other than certificates of deposit, direct
       obligations of the United States government, money market instruments
       and obligations of any corporation which at the time of purchase are
       rated AA or better by Standard & Poor's Corporation, Inc., in each case,
       having maturity of no more than 30 days;

    (h)ORATEC shall not alter (through merger, liquidation, reorganization,
       restructuring or in any other fashion) the corporate structure or
       ownership of ORATEC or form any subsidiaries;

    (i)except as provided in the Merger Agreement, ORATEC shall not enter into
       or adopt any, or amend any existing, severance plan, agreement or
       arrangement or enter into or amend any Company Plan (as defined in the
       Merger Agreement) or Compensation Agreement (as defined in the Merger
       Agreement);

    (j)ORATEC shall not increase the compensation payable or to become payable
       to its directors, officers, employees, consultants or other service
       providers (except for increases in the ordinary course of business
       consistent with past practice in salaries or wages of employees of
       ORATEC who are not officers of ORATEC) or grant any severance or
       termination pay to, or enter into any employment or other agreement
       with, any director, officer, employee, consultant or other service
       provider of ORATEC, or establish, adopt, enter into, or, except as may
       be required to comply with applicable law, amend or take action to
       enhance or accelerate any rights or benefits under, any labor,
       collective bargaining, bonus, profit sharing, thrift, compensation,
       stock option, restricted stock, pension,

                                      19



       retirement, deferred compensation, employment, termination, severance or
       other plan, agreement, trust, fund, policy or arrangement for the
       benefit of any director, officer, employee, consultant or other service
       provider;

    (k)ORATEC shall not knowingly violate or knowingly fail to perform any
       obligation or duty imposed upon it by any applicable material federal,
       state, local or foreign law, rule, regulation, guideline or ordinance;

    (l)ORATEC shall not make any change to accounting policies or procedures
       (other than actions required to be taken by generally accepted
       accounting principles);

    (m)ORATEC shall not prepare or file any tax return inconsistent with past
       practice or, on any such tax return, take any position, make any
       election, or adopt any method that is inconsistent with positions taken,
       elections made or methods used in preparing or filing similar tax
       returns in prior periods;

    (n)ORATEC shall not settle or compromise any tax liability or any claims or
       litigation in excess of $50,000 or commence any litigation or
       proceedings;

    (o)ORATEC shall not enter into or amend any agreement or contract (i)
       having a term in excess of 12 months and which is not terminable by
       ORATEC without penalty or premium by notice of 60 days or less or (ii)
       which involves or is expected to involve payments of $25,000 or more
       during the term thereof; (iii) enter into, amend or terminate any other
       agreement or contract material to ORATEC; or (iv) purchase any real
       property, or make or agree to make any new capital expenditure or
       expenditures (other than the purchase of real property) which in the
       aggregate are in excess of $50,000;

    (p)ORATEC shall not pay, discharge or satisfy any claims, liabilities or
       obligations (absolute, accrued, asserted or unasserted, contingent or
       otherwise), other than the payment, discharge or satisfaction of any
       such claims, liabilities or obligations, in the ordinary course of
       business consistent with past practice or in accordance with their terms;

    (q)ORATEC shall not file any application for national coverage under
       Medicare of ORATEC's spine products; and

    (r)ORATEC shall not authorize, recommend, propose or announce an intention
       to do any of the foregoing, or enter into any contract, agreement,
       commitment or arrangement to do any of the foregoing.

   No Solicitation.  ORATEC shall not, nor shall it authorize or permit any
officer, director or employee of or any financial advisor, attorney or other
advisor or representative of ORATEC to, directly or indirectly, (i) solicit,
initiate or encourage the submission of, any Takeover Proposal (as defined
below), (ii) enter into any agreement with respect to or approve or recommend
any Takeover Proposal or (iii) participate in any discussions or negotiations
regarding, or furnish to any person any information with respect to ORATEC in
connection with, or take any other action to cooperate in any way with respect
to, or assist in or facilitate any inquiries or the making of any proposal that
constitutes, or may reasonably be expected to lead to, any Takeover Proposal;
provided, however, that neither ORATEC nor its directors shall be prohibited
from (x) complying with Rule 14e-2 promulgated under the Exchange Act with
regard to a tender or exchange offer or (y) referring a third party to the
section of the Merger Agreement described in this paragraph or making a copy of
such section available to any third party; and provider, further, that prior to
the acceptance for payment of Shares pursuant to the Offer, if the ORATEC Board
reasonably determines that a Takeover Proposal constitutes a Superior Proposal
(as defined below), then, to the extent required by the fiduciary obligations
of the ORATEC Board, as determined in good faith by a majority thereof after
consultation with independent counsel (who may be ORATEC's regularly engaged
independent counsel), ORATEC may, in response to an unsolicited request
therefor, furnish information with respect to ORATEC to any person pursuant to
a confidentiality agreement, in customary form and in any event containing
terms, taken as a whole, at least as stringent as those contained in the
confidentiality agreement entered into between ORATEC and Smith & Nephew, and
participate in discussions or negotiations with such person. For purposes of
the Merger Agreement, ''Takeover Proposal'' means (i) any proposal for a merger
or

                                      20



other business combination involving ORATEC, (ii) any proposal or offer to
acquire in any manner, directly or indirectly, an equity interest in or any
voting securities of ORATEC representing 15% or more of the Shares or of the
total voting securities of ORATEC outstanding, or (iii) an offer to acquire in
any manner, directly or indirectly, a substantial portion of the assets of
ORATEC, other than the transactions contemplated by the Merger Agreement, and
''Superior Proposal'' means a bona fide written proposal made by a third party
to acquire ORATEC pursuant to a tender or exchange offer, a merger, a sale of
all or substantially all of the assets of ORATEC or otherwise on terms which a
majority of the disinterested members of the ORATEC Board determines in its
reasonable good faith judgment to be more favorable to ORATEC's stockholders
than the Merger (based on the advice from ORATEC's independent financial
advisor that the value of the consideration provided for in such proposal
exceeds the value of the consideration provided for in the Merger) and for
which financing, to the extent required, is then committed or which, in the
reasonable good faith judgment of a majority of such disinterested directors,
as expressed in a resolution adopted at a duly constituted meeting of such
members (based on the advice of ORATEC's independent financial advisor), is
reasonably capable of being obtained by such third party.

   The Merger Agreement provides further that, ORATEC must advise Smith &
Nephew orally and in writing of (i) any Takeover Proposal or any request for
information with respect to any Takeover Proposal received by any officer or
director of ORATEC or, to the knowledge of ORATEC, any financial advisor,
attorney or other advisor or representative of ORATEC, (ii) the material terms
of such Takeover Proposal (including a copy of any written proposal), and (iii)
the identity of the person making any such Takeover Proposal or inquiry. ORATEC
shall so advise Smith & Nephew no later than 24 hours following receipt of such
Takeover Proposal or inquiry. If ORATEC intends to furnish any person with any
information with respect to any Takeover Proposal, ORATEC is required to advise
Smith & Nephew orally and in writing of such intention not less than 48 hours
in advance of providing such information. ORATEC is further required to keep
Smith & Nephew fully informed of any material changes to the status or material
terms of any such Takeover Proposal or inquiry.

   Third Party Standstill Agreements.  During the period from the date of the
Merger Agreement through the Effective Time, ORATEC has agreed not to
terminate, amend, modify or waive any provision of any confidentiality or
standstill agreement to which ORATEC is a party (other than any confidentiality
or standstill agreement involving Smith & Nephew) and to enforce, to the
fullest extent permitted under applicable law, the provisions of any such
agreements, including obtaining injunctions to prevent any breaches of such
agreements and to enforce specifically the terms and provisions thereof in any
court of the United States or any state thereof having jurisdiction.

   Rights Agreement.  Pursuant to the Merger Agreement, ORATEC and the Rights
Agent executed an amendment to the Rights Agreement on February 13, 2002,
rendering the Rights Agreement inapplicable to the Offer, the Merger, the
Stockholder Agreements and the transactions contemplated thereby.

   Indemnification.  Pursuant to the Merger Agreement, from and after the
Effective Time, Smith & Nephew will cause the Surviving Corporation to
indemnify and hold harmless all past and present officers and directors of
ORATEC to the same extent and in the same manner such persons are indemnified
as of the date of the Merger Agreement by ORATEC pursuant to the
indemnification agreements between ORATEC and certain officers and directors,
the DGCL, ORATEC's Certificate of Incorporation or ORATEC's Bylaws for acts or
omissions occurring at or prior to the Effective Time.

   Smith & Nephew has also agreed to cause the Surviving Corporation to
provide, for an aggregate period of not less than six years from the Effective
Time, ORATEC's current directors and officers an insurance and indemnification
policy that provides coverage for events occurring prior to the Effective Time
that is substantially equivalent to ORATEC's existing policy or, if
substantially equivalent insurance coverage is unavailable, the best available
coverage; provided, however, that the Surviving Corporation will not be
required to pay aggregate premiums over the six-year period for the director's
and officer's insurance in excess of $1,300,000.

                                      21



   Board Representation.  The Merger Agreement provides that promptly after
such time as Purchaser acquires Shares pursuant to the Offer, Purchaser will be
entitled to designate at its option up to that number of directors, rounded to
the nearest whole number, of the ORATEC Board, subject to compliance with
Section 14(f) of the Exchange Act, as will make the percentage of ORATEC's
directors designated by Purchaser equal to the percentage of the aggregate
voting power of the Shares held by Smith & Nephew or any of its subsidiaries;
provided, however, that in the event that Purchaser's designees are elected to
the ORATEC Board, until the Effective Time, the ORATEC Board shall have at
least two directors who were directors of ORATEC on the date of the Merger
Agreement and who are not officers of ORATEC (the ''Independent Directors'').
If the number of Independent Directors shall be reduced below two for any
reason whatsoever, the Independent Director shall designate an Independent
Director for purposes of the Merger Agreement or, if no Independent Directors
then remain, the other directors of ORATEC shall designate two persons to fill
such vacancies who shall not be officers or affiliates of ORATEC, or officers
or affiliates of Smith & Nephew or any of its subsidiaries, and such persons
shall be deemed to be Independent Directors for purposes of the Merger
Agreement. Following the election or appointment of Purchaser's designees to
the ORATEC Board and prior to the Effective Time, any amendment, or waiver of
any term or condition, of the Merger Agreement or ORATEC's Certificate of
Incorporation or Bylaws, any termination of the Merger Agreement by ORATEC, any
extension by ORATEC of the time for the performance of any of the obligations
or other acts of Purchaser or waiver or assertion of any of ORATEC's rights
under the Merger Agreement, and any other consent or action by the ORATEC Board
with respect to the Merger Agreement, will require the concurrence of a
majority of the Independent Directors and no other action by ORATEC, including
any action by any other director of ORATEC, shall be required for purposes of
the Merger Agreement. In connection with the foregoing, ORATEC will promptly,
at the option of Smith & Nephew, either increase the size of the ORATEC Board
and/or obtain the resignation of such number of its current directors as is
necessary to enable Purchaser's designees to be elected or appointed to the
ORATEC Board as provided above to the fullest extent permitted by law.

   Conditions Precedent to the Merger.  The respective obligations of each
party to effect the Merger are subject to the fulfillment at or prior to the
Effective Time of the following conditions: (i) the Merger Agreement shall have
been approved and adopted by the affirmative vote of the stockholders of ORATEC
(unless the vote of stockholders is not required under the DGCL) as required by
the DGCL and ORATEC's Certificate of Incorporation; (ii) any waiting period
(and any extension thereof) applicable to the consummation of the Merger under
the HSR Act shall have expired or been terminated; (iii) Purchaser shall have
previously accepted for payment and paid for Shares validly tendered pursuant
to the Offer, except that this condition shall not apply if Purchaser shall
have failed to purchase Shares pursuant to the Offer in breach of its
obligations (or the obligations of Smith & Nephew) under the Merger Agreement;
and (iv) no court or other Governmental Entity (as defined in the Merger
Agreement) having jurisdiction over ORATEC or Smith & Nephew or any of its
subsidiaries shall have enacted, issued, promulgated, enforced or entered any
law, rule, regulation, executive order, decree, injunction or other order
(whether temporary, preliminary or permanent) which is then in effect and has
the effect of making the Merger illegal.

   Termination.  The Merger Agreement provides that it may be terminated at any
time prior to the Effective Time, whether before or after approval of the
Merger Agreement by the stockholders of ORATEC:

    (a)by mutual written consent of Smith & Nephew and ORATEC;

    (b)by either Smith & Nephew or ORATEC: (i) if (x) as a result of the
       failure of any of the conditions to the Offer as set forth in Section 14
       of this Offer to Purchase shall have terminated or expired in accordance
       with its terms without Purchaser having accepted for payment any Shares
       pursuant to the Offer or (y) Purchaser shall not have accepted for
       payment any Shares pursuant to the Offer prior to June 30, 2002
       (provided that the right to terminate the Merger Agreement pursuant to
       this clause (b)(i) shall not be available to any party whose failure to
       perform any of its obligations under the Merger Agreement results in the
       failure of any such condition or if the failure of such condition
       results from facts or circumstances that constitute a breach of any
       representation or warranty under the Merger Agreement by such party), or
       (ii) if any Governmental Entity shall have issued an order, decree or

                                      22



       ruling or taken any other action permanently enjoining, restraining or
       otherwise prohibiting the acceptance for payment of, or payment for,
       Shares pursuant to the Offer and such order, decree or ruling or other
       action shall have become final and nonappealable;

    (c)by Smith & Nephew or Purchaser prior to the purchase of Shares pursuant
       to the Offer in the event of a breach by ORATEC of any representation,
       warranty, covenant or other agreement contained in the Merger Agreement
       which (i) would give rise to the failure of the Offer conditions
       described in paragraph (e) or (f) of Section 14 and (ii) cannot be or
       has not been cured within 30 days after the giving of written notice to
       ORATEC;

    (d)by Smith & Nephew or Purchaser if either Smith & Nephew or Purchaser is
       entitled to terminate the Offer as a result of the occurrence of any
       event set forth in paragraph (d) of Section 14;

    (e)by ORATEC if the ORATEC Board reasonably determines that a Takeover
       Proposal constitutes a Superior Proposal and a majority of the ORATEC
       Board determines in its reasonable good faith judgment, after
       consultation with independent counsel, that failing to terminate the
       Merger Agreement would constitute a breach of its fiduciary duties under
       applicable law; provided, that it has complied with the notice and other
       provisions of the Merger Agreement relating to no solicitation of
       Takeover Proposals and it complies to the extent applicable with
       requirements of the Merger Agreement relating to payment of Expenses and
       the Termination Fee (each as defined below under ''--Fees and
       Expenses''); and provided further that ORATEC may not terminate the
       Merger Agreement pursuant to this clause (e) unless and until 72 hours
       have elapsed following the delivery to Smith & Nephew of a written
       notice of such determination by the ORATEC Board;

    (f)by ORATEC, in the event of a material breach by Smith & Nephew or
       Purchaser of any representation or warranty, covenant or other agreement
       contained in the Merger Agreement which cannot be or has not been cured
       within 30 days after the giving of written notice to Smith & Nephew or
       Purchaser, as applicable; or

    (g)by ORATEC, if the Offer has not been timely commenced in accordance with
       the Merger Agreement.

   In the event of a termination of the Merger Agreement by either ORATEC or
Smith & Nephew, the Merger Agreement shall become void (except for certain
provisions pertaining to the payment of certain expenses and fees and except
for certain confidentiality obligations of the parties) and there shall be no
liability or obligation on the part of Smith & Nephew, Purchaser or ORATEC or
their respective officers or directors other than for liability for any willful
or intentional breach of a representation or warranty contained in the Merger
Agreement, the willful or intentional breach of any covenant contained in the
Merger Agreement or for fraud.

   Treatment of Stock Based Compensation, Employee Stock Purchase Plan and
Warrants.  Prior to the consummation of the Offer, the ORATEC Board (or, if
appropriate, any committee thereof) shall adopt appropriate resolutions and
take all other actions necessary or appropriate to cause each option to
purchase Shares that is outstanding as of the consummation of the Offer to vest
in full and to become exercisable immediately prior to the consummation of the
Offer with respect to all of the Shares at the time subject to such option.
Each option to purchase Shares that is outstanding upon the consummation of the
Offer shall be cancelled as of the consummation of the Offer, in consideration
for which each holder of an option to purchase Shares will be entitled to
receive from ORATEC an amount equal to (A) the product of (1) the number of
Shares subject to such option and (2) the excess, if any, of the Offer Price
over the exercise price per share for the purchase of Shares subject to such
option, minus (B) all applicable federal, state and local taxes required to be
withheld in respect of such payment. The amounts payable pursuant to the Merger
Agreement (as described in the second sentence of this paragraph) will be paid
as soon as reasonably practicable following the acceptance for payment of
Shares by Purchaser pursuant to the Offer. The surrender of an option in
exchange for the consideration contemplated in the Merger Agreement (as
described in the second sentence of this paragraph) shall be deemed a release
of any and all rights the holder of the option had or may have had in respect
thereof.

   Pursuant to the Merger Agreement, ORATEC will take all actions necessary to
ensure that (i) the offering period applicable to the options outstanding under
its 1999 Employee Stock Purchase Plan is shortened so as to

                                      23



have a Purchase Date (as defined in such plan) that occurs not later than 10
business days after the commencement of the Offer; (ii) no current holder of an
option outstanding under such plan is permitted to increase his or her rate of
payroll deduction under such plan effective from and after the date of the
Merger Agreement; and (iii) no new offering period commences on or after the
date of the Merger Agreement.

   Pursuant to the Merger Agreement, ORATEC will take all actions necessary to
provide that, effective on or before acceptance for payment by Purchaser of
Shares pursuant to the Offer, (i) ORATEC's 1999 Employee Stock Purchase Plan,
ORATEC's 1995 Stock Plan, ORATEC's 1999 Stock Plan, as amended, ORATEC's 1999
Directors' Stock Option Plan, as amended, and any similar plan or agreement
will be terminated, (ii) any rights under any other plan, program, agreement or
arrangement relating to the issuance or grant of any other interest in respect
of the capital stock of ORATEC shall be terminated, and (iii) no person will
have any right to receive any shares of capital stock of ORATEC or, if
applicable, the Surviving Corporation, upon exercise of any option outstanding
under the existing plans.

   Pursuant to the Merger Agreement, the outstanding warrant to purchase Shares
will, by virtue of the Merger, no longer be exercisable into the right to
receive Shares but will after the Effective Time represent the right to receive
an amount equal to (A) the product of (1) the number of Shares subject to such
warrant and (2) the excess, if any, of the Merger Consideration over the
exercise price per Share applicable to such warrant minus (B) all applicable
federal and local taxes required to be withheld in respect of such payment,
without interest.

   Fees and Expenses.  Except as provided in the Merger Agreement, whether or
not the Merger is consummated, all costs and expenses incurred in connection
with the Offer, the Merger and the Merger Agreement and the transactions
contemplated thereby shall be paid by the party incurring such costs and
expenses.

   The Merger Agreement provides that ORATEC will pay, or cause to be paid, in
same day funds to Smith & Nephew the following amounts under the circumstances
and at the times set forth as follows:

       (i)if Smith & Nephew or the Purchaser terminates the Merger Agreement in
          accordance with the provisions described in clause (d) under
          ''Termination'' above, ORATEC shall pay a $12,000,000 termination fee
          (the ''Termination Fee'') upon demand;

      (ii)if ORATEC terminates the Merger Agreement in accordance with the
          provision described in clause (e) under ''Termination'' above, ORATEC
          shall pay the Termination Fee prior to or simultaneously with such
          termination; or

     (iii)if any termination of the Merger Agreement occurs under the
          provisions described in clause (b) (i) or (c) under ''Termination''
          above, and at the time of any such termination, a Designated Takeover
          Proposal (as defined below) shall have been made (other than a
          Designated Takeover Proposal made prior to the date of the Merger
          Agreement), then if concurrently therewith or within 12 months
          thereafter, (A) ORATEC enters into a merger agreement, acquisition
          agreement or similar agreement (including a letter of intent) with
          respect to a Company Acquisition (as defined below), or a Company
          Acquisition is consummated, involving any party (1) with whom ORATEC
          had any discussions with respect to a Designated Takeover Proposal,
          (2) to whom ORATEC furnished information with respect to or with a
          view to a Designated Takeover Proposal or (3) who had submitted a
          proposal or expressed any interest publicly in a Designated Takeover
          Proposal, in the case of each of clauses (1), (2) and (3), prior to
          such termination, or (B) ORATEC enters into a merger agreement,
          acquisition agreement or similar agreement (including a letter of
          intent) with respect to a Superior Proposal, or a Superior Proposal
          is consummated, then, in the case of either (A) or (B) above, ORATEC
          shall pay the Termination Fee of Smith & Nephew upon the earlier of
          the execution of such agreement or upon consummation of such Company
          Acquisition or Superior Proposal, as the case may be.

   "Designated Takeover Proposal" means (i) any proposal for a merger or other
business combination involving ORATEC pursuant to which the stockholders of
ORATEC immediately preceding such transaction

                                      24



will hold less than 85% of the total voting power of the outstanding shares of
capital stock of the entity surviving or resulting from such transaction, (ii)
any proposal or offer to acquire in any manner, directly or indirectly, an
equity interest in or any voting securities of ORATEC representing 15% or more
of the Shares or of the total voting securities of ORATEC outstanding, or (iii)
an offer to acquire in any manner, directly or indirectly, a substantial
portion of the assets of ORATEC, other than the transactions contemplated by
the Merger Agreement.

   "Company Acquisition" means (i) a merger, consolidation or other business
combination pursuant to which stockholders of ORATEC immediately preceding such
transaction hold less than a majority of the equity interest in the surviving
or resulting entity of such transaction, (ii) a sale or other disposition by
ORATEC of all or substantially all of its assets or (iii) the acquisition by
any person or group (including by way of tender offer, exchange offer or
issuance of securities by ORATEC), directly or indirectly, of beneficial
ownership (as determined pursuant to Rule 13d-3 promulgated under the Exchange
Act) or a right to acquire beneficial ownership of shares representing a
majority of the voting power of the then outstanding shares of capital stock of
ORATEC.

The Confidentiality Agreement.

   The following summary description of the confidentiality agreement entered
into between Smith & Nephew and ORATEC (the ''Confidentiality Agreement'') is
qualified in its entirety by reference to the agreement itself, which is an
exhibit to the Schedule TO that we filed with the SEC, which you may examine
and copy as set forth in Section 8.

   On November 27, 2001, ORATEC and Smith & Nephew entered into a
Confidentiality Agreement pursuant to which each party agreed, in return for
the other party making available certain non-public information, to use such
information solely for the purpose of evaluating the transaction between the
parties and to not use such information in any way directly or indirectly
detrimental to the other party. Each party also agreed that it and its
representatives will not disclose any of the evaluation information unless the
disclosure is made to a representative of such party who needs to have such
material for the sole purpose of evaluating the transaction between the
parties. Without the prior consent of the other party, each party agreed that
it and its representatives will not disclose to any other person the fact that
the materials have been provided to it or that discussions or negotiations were
taking place. Each party also agreed, for a period of two years following the
date of the Confidentiality Agreement, that it will not, directly or
indirectly, solicit for employment or hire any officer, director or employee of
the other party with whom such party has had contact or who became known to
such party in connection with its consideration of the Offer and the Merger,
except for any such employee who initiates discussions regarding such
employment without any direct or indirect solicitation by such party, who
responds to any public advertisement placed by such party, or who has been
terminated by the other party prior to the commencement of employment
discussions between such party and such officer, director or employee.

The Stockholder Agreements.

   The following summary description of the Stockholder Agreements is qualified
in its entirety by reference to the agreements themselves, a form of which we
have filed as an exhibit to the Schedule TO that we filed with the SEC, which
you may examine and copy as set forth in Section 8.

   Smith & Nephew and Purchaser entered into Stockholder Agreements dated as of
February 13, 2002 (the ''Stockholder Agreements'') with each of the following
stockholders of ORATEC: Kenneth W. Anstey, President, Chief Executive Officer
and Director of ORATEC, Hugh R. Sharkey, Executive Vice President, Chief
Technical Officer and Director of ORATEC, Nancy V. Westcott, Chief Financial
Officer and Vice President, Administration of ORATEC, Roger H. Lipton, Vice
President, Sales and Marketing of ORATEC, Michael D. Hassman, Vice President,
Manufacturing of ORATEC, Theresa M. Mitchell, Vice President, Regulatory and
Clinical Affairs and Quality Assurance of ORATEC, Richard M. Ferrari, Patrick
F. Latterell, Jeffrey A. Saal, M.D. and Wayne R. Moon, Directors of ORATEC,
Venrock Associates, L.P. and Venrock Associates II, L.P.

                                      25



(the ''Tendering Stockholders''). Pursuant to the Stockholder Agreements, each
Tendering Stockholder has agreed that, (a) such Tendering Stockholder will vote
the Shares held by such Tendering Stockholder in favor of the Merger and the
Merger Agreement; (b) such Tendering Stockholder will vote the Shares held by
such Tendering Stockholder against (i) any other merger agreement or merger,
consolidation, combination, sale of substantial assets, reorganization,
recapitalization, dissolution, liquidation or winding up of or by ORATEC or any
other Takeover Proposal or (ii) any amendment of ORATEC's Certificate of
Incorporation or Bylaws or other proposal or transaction involving ORATEC,
which amendment or other proposal or transaction would in any manner impede,
frustrate, prevent or nullify the Merger, the Merger Agreement or any of the
other transactions contemplated by the Merger Agreement; (c) such Tendering
Stockholder will not (i) sell, transfer, pledge, assign or otherwise dispose
of, or enter into any contract, option or other arrangement (including any
profit sharing arrangement) with respect to the sale, transfer, pledge,
assignment or other disposition of, the Shares held by such Tendering
Stockholder to any person other than Purchaser or Purchaser's designee or (ii)
enter into any voting arrangement, whether by proxy, voting agreement or
otherwise, in connection, directly or indirectly, with any Takeover Proposal;
(d) such Tendering Stockholder will not, and will not permit any investment
banker, attorney or other adviser or representative of such Tendering
Stockholder to, (i) directly or indirectly solicit, initiate or encourage the
submission of, any Takeover Proposal or (ii) directly or indirectly participate
in any discussions or negotiations regarding, or furnish to any person any
information with respect to, or take any other action to facilitate any
inquiries or the making of any proposal that constitutes, or may reasonably be
expected to lead to, any Takeover Proposal; and (e) such Tendering Stockholder
will tender pursuant to the Offer and not withdraw the Shares held by such
Tendering Stockholder. In addition, pursuant to the Stockholder Agreements,
each Tendering Stockholder granted to, and appointed, Smith & Nephew and each
of its designees, and each of them individually, as the Tendering Stockholder's
proxy and attorney-in-fact (with full power of substitution), for and in the
name, place and stead of the Tendering Stockholder, to vote the Shares held by
such Tendering Stockholder, or execute one or more written consents in respect
of the Subject Shares, (i) in favor of the Merger, the approval of the Merger
Agreement and the approval of the terms thereof and each of the transactions
contemplated by the Merger Agreement, (ii) against any merger agreement or
merger (other than the Merger Agreement and the Merger), consolidation,
combination, sale of substantial assets, reorganization, recapitalization,
dissolution, liquidation or winding up of or by ORATEC or any other Takeover
Proposal, and (iii) against any amendment of ORATEC's Certificate of
Incorporation or Bylaws or other proposal, transaction or agreement involving
ORATEC or any of its subsidiaries, which amendment or other proposal,
transaction or agreement would in any manner impede, frustrate, prevent or
nullify the Merger, the Merger Agreement or any other transactions contemplated
by the Merger Agreement. The Stockholder Agreements terminate upon the earlier
of (i) the Effective Time and (ii) the valid termination of the Merger
Agreement, as set forth in the Stockholder Agreements.

Statutory Requirements.

   In general, under the DGCL a merger of two Delaware corporations requires
the adoption of a resolution by the board of directors of each of the
corporations desiring to merge approving an agreement of merger containing
provisions with respect to certain statutorily specified matters and the
adoption of such agreement of merger by the stockholders of each corporation by
the affirmative vote of the holders of a majority of all the outstanding shares
of stock entitled to vote on such merger. According to ORATEC's Certificate of
Incorporation, the Shares are the only securities of ORATEC which entitle the
holders thereof to voting rights.

   The DGCL also provides that if a parent company owns at least 90% of each
class of stock of a subsidiary that is outstanding and would be entitled to
vote on a merger, the parent company can effect a short-form merger (a
''Short-Form Merger'') with that subsidiary without the action of the other
stockholders of the subsidiary. Accordingly, if as a result of the Offer or
otherwise Purchaser acquires or controls the voting power of at least 90% of
the Shares, Purchaser could, and intends (subject to the conditions to its
obligations to effect the Merger contained in the Merger Agreement) to, effect
the Merger without prior notice to, or any action by, any other stockholder of
ORATEC. Pursuant to the Merger Agreement, under certain circumstances we could
extend the Offer for a limited period of time in order to receive tenders of at
least 90% of the issued and outstanding Shares to enable us to effect a
Short-Form Merger. See ''--The Merger Agreement--The Offer.''

                                      26



Appraisal Rights.

   No appraisal rights are available in connection with the Offer. However, if
the Merger is consummated, any holder of Shares at the Effective Time will have
certain rights under the DGCL to dissent and demand appraisal of, and payment
in cash of the fair value of, their Shares. Such rights, if the statutory
procedures were complied with, could lead to a judicial determination of the
fair value (excluding any element of value arising from the accomplishment or
expectation of the Merger) required to be paid in cash to such dissenting
holders for their Shares. Any such judicial determination of fair value of
Shares could be based upon considerations other than, or in addition to, the
price paid in the Offer and the market value of the Shares, including asset
values and the investment value of the Shares. The value so determined could be
more or less than the purchase price per Share pursuant to the Offer or the
consideration per Share to be paid in the Merger.

   In addition, several decisions by Delaware courts have held that, in certain
instances, a controlling stockholder of a corporation involved in a Merger has
a fiduciary duty to the other stockholders that requires the Merger to be fair
to such other stockholders. In determining whether a Merger is fair to minority
stockholders, the Delaware courts have considered, among other things, the type
and amount of consideration to be received by the stockholders and whether
there were fair dealings among the parties. Although the remedies of rescission
or other damages are possible in an action challenging a Merger as a breach of
fiduciary duty, decisions of the Delaware courts have indicated that in most
cases the remedy available in a Merger that is found not to be ''fair'' to
minority stockholders is a damages remedy based on essentially the same
principles as an appraisal.

   APPRAISAL RIGHTS CANNOT BE EXERCISED AT THIS TIME. STOCKHOLDERS WHO WILL BE
ENTITLED TO APPRAISAL RIGHTS IN CONNECTION WITH THE MERGER WILL RECEIVE
ADDITIONAL INFORMATION CONCERNING APPRAISAL RIGHTS AND THE PROCEDURES TO BE
FOLLOWED IN CONNECTION THEREWITH BEFORE SUCH STOCKHOLDERS HAVE TO TAKE ANY
ACTION RELATING THERETO.

   STOCKHOLDERS WHO TENDER SHARES IN THE OFFER WILL NOT BE ENTITLED TO EXERCISE
APPRAISAL RIGHTS WITH RESPECT THERETO BUT, RATHER, WILL RECEIVE THE PRICE PAID
IN THE OFFER THEREFOR.

Rule 13e-3.

   The SEC has adopted Rule 13e-3 under the Exchange Act which is applicable to
certain ''going private'' transactions and which may, under certain
circumstances, be applicable to the Merger or another business combination in
which Purchaser seeks to acquire the remaining Shares not held by it following
the purchase of Shares pursuant to the Offer. Purchaser believes, however, that
Rule 13e-3 will not be applicable to the Merger if the Merger is consummated
within one year after the termination of the Offer at the Offer Price. If
applicable, Rule 13e-3 requires, among other things, that certain financial
information concerning ORATEC and certain information relating to the fairness
of the proposed transaction and the consideration offered to minority
stockholders in such transaction be filed with the SEC and disclosed to
stockholders prior to consummation of the transaction.

Plans for ORATEC After the Offer and the Merger.

   Upon completion of the Offer, Smith & Nephew and Purchaser intend to effect
the Merger in accordance with the Merger Agreement. See "- Merger Agreement."
Following the Merger, ORATEC's business will be operated as part of Smith &
Nephew's Endoscopy Division, headquartered in Andover, Massachusetts. Smith &
Nephew will continue to evaluate the business and operations of ORATEC during
the pendency of the Offer and intends to seek additional information about
ORATEC during this period. Smith & Nephew expects to undertake a review of
ORATEC and its assets, operations, business, properties, management and
personnel to determine what changes will be desirable following the Merger in
integrating ORATEC into Smith & Nephew's Endoscopy

                                      27



Division. Possible changes in ORATEC or its business or operations will be
assessed by Smith & Nephew with a view to optimizing ORATEC's potential
contribution to Smith & Nephew's business and reducing any redundancies in the
operations and management of ORATEC and Smith & Nephew.

   Except as otherwise described in this Offer to Purchase, Smith & Nephew
currently has no definitive plans or proposals or negotiations which relate to
or would result in: (i) other than the Merger, an extraordinary corporate
transaction, such as a merger, reorganization or liquidation involving ORATEC;
(ii) any purchase, sale or transfer of a material amount of assets of ORATEC;
(iii) any change in the management of ORATEC or any change in any material term
of the employment contract of any executive officer of ORATEC; or (iv) any
other material change in ORATEC's corporate structure or business.

12.   Source and Amount of Funds.

   Purchaser estimates that the total amount of funds required to purchase
pursuant to the Offer the Shares that are outstanding on a fully diluted basis
and to pay fees and expenses related to the Offer and the Merger will be
approximately $315 million. Parent intends to obtain $300 million of the funds
necessary to consummate the Offer and the Merger from borrowings pursuant to
the Facilities (as defined below) and to obtain the balance of the required
funds from Parent's available cash resources. The funds necessary to purchase
Shares pursuant to the Offer will be provided to Purchaser and Smith & Nephew
by Parent as a capital contribution, loan or combination thereof.

   Parent entered into a credit agreement on February 14, 2002 with Lloyds TSB
Bank plc ("Lloyds") for facilities in the aggregate principal amount of $300
million (the "Credit Agreement"). Although Lloyds has agreed to lend the entire
amount provided for in the Credit Agreement, Lloyds expects to assemble a
syndicate of financial institutions (the "Lenders") prior to or after the
initial funding under the Credit Agreement. The following summary of the
principal terms of the Credit Agreement is qualified in its entirety by
reference to the agreement itself which is filed as an exhibit to the Schedule
TO that we filed with the SEC, which you may examine and copy as set forth in
Section 8.

   The facilities in the Credit Agreement consist of a revolving loan facility
of up to $100 million ("Facility A"), and a revolving loan facility of up to
$200 million ("Facility B" and together with Facility A, the "Facilities"),
both of which provide for amounts to be borrowed, repaid and reborrowed by
Parent from time to time for the purpose, among other things, of providing
funds to consummate the Offer and the Merger, to pay certain fees and expenses
incurred in connection with the Offer and the Merger and to provide working
capital and for other general corporate purposes.

   Facility A will expire in one year. Facility B will expire in five years.
The Facilities will have no scheduled amortization and are unsecured.

   Borrowings under Facility A will bear interest at a floating rate based upon
the London Interbank Offered Rate ("LIBOR") plus 0.25% per annum plus certain
mandatory costs. Borrowings under Facility B will bear interest at LIBOR plus
0.40% per annum plus certain mandatory costs. In addition, Parent is obliged to
pay a commitment fee on the undrawn, uncancelled amount of Facility A of 0.075%
per annum and a commitment fee on the undrawn, uncancelled amount of Facility B
of 0.175% per annum. Parent will also pay Lloyds underwriting and
administration fees, reimburse certain expenses and provide certain
indemnities, all of which Parent believes to be customary for facilities of
this type.

   The Credit Agreement contains conditions precedent, representations and
warranties, covenants (including the financial covenants referred to below),
events of default and other provisions customary for such facilities. The
Credit Agreement contains financial covenants requiring that Parent ensure that
consolidated net borrowings are not more than 2.5 times group consolidated net
pre-taxation profits (after adding back depreciation, amortization, exceptional
items and interest payable) and that group consolidated net pre-taxation
profits (after adding back amortization, exceptional items and interest
payable) are not less than 3.5 times consolidated net interest payable.

                                      28



   Drawings under the Credit Agreement to finance the Offer are conditioned on,
among other things, evidence satisfactory to Lloyds that requisite legal and
regulatory approvals for the Offer and the Merger have been obtained; the
absence of certain events of default under the Credit Agreement and the
accuracy of representations and warranties of Parent contained in the Credit
Agreement.

   It is anticipated that the indebtedness incurred through borrowings under
the Credit Agreement will be repaid from funds generated internally by Parent
and its subsidiaries, including Smith & Nephew and its subsidiaries (including,
after the Merger, ORATEC), and from other sources that may include the proceeds
of the private or public sale of debt or equity securities. No final decisions
have been made concerning the method which Parent will employ to repay such
indebtedness. Such decisions when made will be based on Parent's review from
time to time of the advisability of particular actions, as well as on
prevailing interest rates and financial and other economic conditions.

   Neither Parent nor Smith & Nephew has established any alternative financing
arrangements or plans if financing pursuant to the Credit Agreement cannot be
obtained. The Offer is not conditioned on obtaining financing.

13.   Dividends and Distributions.

   The Merger Agreement provides that ORATEC shall not, without the prior
written consent of Smith & Nephew, (i) declare, set aside or pay any dividends
on, or make any other actual, constructive or deemed distributions in respect
of, any of its capital stock, or otherwise make any payments to its
stockholders in their capacity as such, (ii) split, combine or reclassify any
of its capital stock or issue or authorize the issuance of any other securities
in respect of, in lieu of or in substitution for shares of its capital stock,
or (iii) purchase, redeem or otherwise acquire any Shares or any other
securities thereof or any rights, warrants or options to acquire any such
Shares or other securities.

14.   Conditions of the Offer.

   Conditions to the Offer.  Notwithstanding any other term of the Offer or the
Merger Agreement, Purchaser shall not be required to accept for payment or,
subject to any applicable rules and regulations of the SEC, including Rule
14e-1(c) under the Exchange Act (relating to Purchaser's obligation to pay for
or return tendered Shares after the termination or withdrawal of the Offer), to
pay for any Shares tendered pursuant to the Offer unless (i) the Minimum
Condition shall have been satisfied and (ii) any waiting period under the
Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR
Act") applicable to the purchase of Shares pursuant to the Offer shall have
expired or been terminated prior to the expiration date of the Offer (the "HSR
Condition"). Furthermore, notwithstanding any other term of the Offer or the
Merger Agreement, Purchaser shall not be required to accept for payment or,
subject as aforesaid, to pay for any Shares not theretofore accepted for
payment or paid for, and may terminate the Offer if, at any time on or after
the date of the Merger Agreement and before the acceptance of such Shares for
payment or the payment therefor, any of the following conditions exists:

    (a)there shall be threatened in writing or pending by any Governmental
       Entity (as defined in the Merger Agreement) any suit, action or
       proceeding (i) challenging the acquisition by Smith & Nephew or
       Purchaser of any Shares under the Offer, seeking to restrain or prohibit
       the making or consummation of the Offer or the Merger or the performance
       of any of the other transactions contemplated by the Merger Agreement or
       the Stockholder Agreements (including the voting provisions thereunder),
       or seeking to obtain from ORATEC, Smith & Nephew or Purchaser any
       damages that are material in relation to ORATEC taken as a whole, (ii)
       seeking to prohibit or materially limit the ownership or operation by
       ORATEC, Smith & Nephew or any of its subsidiaries of a material portion
       of the business or assets of ORATEC, or Smith & Nephew and its
       subsidiaries, taken as a whole, or to compel ORATEC or Smith & Nephew to
       dispose of or hold separate any material portion of the business or
       assets of ORATEC, or Smith & Nephew and its subsidiaries, taken as a
       whole, as a result of the Offer or any of the other

                                      29



       transactions contemplated by the Merger Agreement or the Stockholder
       Agreements, (iii) seeking to impose material limitations on the ability
       of Smith & Nephew or Purchaser to acquire or hold, or exercise full
       rights of ownership of, any Shares to be accepted for payment pursuant
       to the Offer, including the right to vote such Shares on all matters
       properly presented to the stockholders of ORATEC, (iv) seeking to
       prohibit Smith & Nephew or any of its subsidiaries from effectively
       controlling in any material respect any material portion of the business
       or operations of ORATEC, or (v) which otherwise is reasonably likely to
       have a Material Adverse Effect (as defined below) on ORATEC, or there
       shall be pending by any other person any suit, action or proceeding
       which would have a Material Adverse Effect on ORATEC;

    (b)there shall be enacted, entered, enforced, promulgated or deemed
       applicable to the Offer or the Merger by any Governmental Entity any
       statute, rule, regulation, judgment, order or injunction, other than the
       application to the Offer or the Merger of applicable waiting periods
       under the HSR Act, that is reasonably likely to result, directly or
       indirectly, in any of the consequences referred to in clauses (i)
       through (v) of paragraph (a) above;

    (c)there shall have occurred any Material Adverse Change with respect to
       ORATEC;

    (d)(i) the ORATEC Board or any committee thereof shall have withdrawn or
       modified in a manner adverse to Smith & Nephew or Purchaser its approval
       or recommendation of the Offer, the Merger or the Merger Agreement, or
       approved or recommended any Takeover Proposal (or the ORATEC Board or
       any committee thereof shall have resolved to take any of the foregoing
       actions), or (ii) the ORATEC Board or any committee thereof shall have
       failed to reaffirm publicly and unconditionally its recommendation to
       ORATEC's stockholders that they tender their Shares in the Offer within
       five business days after Smith & Nephew's written request to do so
       (which request may be made at any time after a Takeover Proposal shall
       have been publicly communicated to the ORATEC Board or to the
       stockholders of ORATEC and for so long as such Takeover Proposal shall
       be pending and not withdrawn) and must also include the unconditional
       rejection of such Takeover Proposal;

    (e)the representations and warranties of ORATEC set forth in the Merger
       Agreement shall not be true and correct in each case at the date of the
       Merger Agreement and at the scheduled or extended expiration of the
       Offer unless the inaccuracies (without giving effect to any materiality
       or Material Adverse Effect qualifications or exceptions contained
       therein) under such representations and warranties, taking all the
       inaccuracies under such representations and warranties together in their
       entirety, do not, individually or in the aggregate, result in a Material
       Adverse Effect on ORATEC;

    (f)ORATEC shall have failed to perform in any material respect any
       obligation or to comply in any material respect with any agreement or
       covenant of ORATEC to be performed or complied with by it under the
       Merger Agreement;

    (g)there shall have occurred and be continuing (i) any general suspension
       of trading in, or limitation on prices for, securities on a national
       securities exchange in the United States (excluding any coordinated
       trading halt triggered solely as a result of a specified decrease in a
       market index), (ii) a declaration of a banking moratorium or any
       suspension of payments in respect of banks in the United States, (iii)
       any limitation (whether or not mandatory) by any Governmental Entity on,
       or other event that materially adversely affects, the extension of
       credit by banks or other lending institutions, (iv) a commencement of a
       war or armed hostilities or other national or international calamity
       directly or indirectly involving the United States (or, in the case of
       any of the foregoing occurrences existing at the time of the
       commencement of the Offer, an acceleration or escalation thereof) which
       in any case is reasonably expected to have a Material Adverse Effect on
       ORATEC or to materially adversely affect Smith & Nephew's or Purchaser's
       ability to complete the Offer and/or the Merger or materially delay the
       consummation of the Offer and/or the Merger, or (v) from the date of the
       Merger Agreement through the date of termination or expiration, a
       decline of at least 25% in any of the Dow Jones Industrial Average, the
       Standard & Poor's 500 Index or the Nasdaq Composite Index; or

    (h)the Merger Agreement shall have been terminated in accordance with its
       terms.

                                      30



   "Material Adverse Change" or "Material Adverse Effect" means, when used with
respect to ORATEC or Smith & Nephew, any change or effect that is or could
reasonably be expected (as far as can be foreseen at the time) to be materially
adverse to the business, operations, properties or results of operations,
financial projections or forecasts, or the business prospects and condition
(financial or otherwise), with all such matters being considered in the
aggregate, of ORATEC, taken as a whole, or Smith & Nephew and its subsidiaries,
taken as a whole, as the case may be; provided, however, that, in the case of
ORATEC only, any adverse change or affect arising from or relating to the loss
of existing customers, suppliers or employees of ORATEC that results directly
and exclusively from the public announcement, pendency or consummation of the
transactions contemplated by the Merger Agreement shall not be deemed alone, or
in combination, to constitute a Material Adverse Effect.

   The foregoing conditions are for the sole benefit of Smith & Nephew and
Purchaser and may, subject to the terms of the Merger Agreement, be waived by
Smith & Nephew and Purchaser in whole or in part at any time and from time to
time in their sole discretion. The failure by Smith & Nephew or Purchaser at
any time to exercise any of the foregoing rights shall not be deemed a waiver
of any such right, the waiver of any such right with respect to particular
facts and circumstances shall not be deemed a waiver with respect to any other
facts and circumstances and each such right shall be deemed an ongoing right
that may be asserted at any time and from time to time.

15.  Legal Matters; Required Regulatory Approvals.

   Except as set forth in this Offer to Purchase, based on our review of
publicly available filings by ORATEC with the SEC and other information
regarding ORATEC, we are not aware of any licenses or regulatory permits that
appear to be material to the business of ORATEC and that might be adversely
affected by our acquisition of Shares in the Offer. In addition, except as
described in this Offer to Purchase, we are not aware of any filings, approvals
or other actions by or with any governmental authority or administrative or
regulatory agency that would be required for our acquisition or ownership of
the Shares. Should any such approval or other action be required, we expect to
seek such approval or action, except as described below under ''State Takeover
Laws.'' Should any such approval or other action be required, we cannot be
certain that we would be able to obtain any such approval or action without
substantial conditions or that adverse consequences might not result to
ORATEC's business, or that certain parts of ORATEC's, Smith & Nephew's, or any
of their respective subsidiaries' businesses might not have to be disposed of
or held separate in order to obtain such approval or action. In that event, we
may not be required to purchase any Shares in the Offer. See Introduction and
Section 14 for a description of the conditions to the Offer.

   State Takeover Laws.  ORATEC is incorporated under the laws of the State of
Delaware. In general, Section 203 of the DGCL (''Section 203'') prevents an
''interested stockholder'' (including a person who owns or has the right to
acquire 15% or more of a corporation's outstanding voting stock) from engaging
in a ''business combination'' (defined to include mergers and certain other
actions) with a Delaware corporation for a period of three years following the
date such person became an interested stockholder unless, among other things,
the ''business combination'' is approved by the Board of Directors of such
corporation prior to such date. The ORATEC Board has approved the Offer and the
Merger. Accordingly, Section 203 is inapplicable to the Offer and the Merger. A
number of other states have adopted laws and regulations applicable to attempts
to acquire securities of corporations which are incorporated, or have
substantial assets, stockholders, principal executive offices or principal
places of business or whose business operations otherwise have substantial
economic effects in such states. In 1982, the Supreme Court of the United
States, in Edgar v. Mite Corp., invalidated on constitutional grounds the
Illinois Business Takeovers Statute, which as a matter of state securities law
made takeovers of corporations meeting certain requirements more difficult. The
reasoning in that decision is likely to apply to certain other state takeover
statutes. In 1987, however, in CTS Corp. v. Dynamics Corp. of America, the
Supreme Court of the United States held that the State of Indiana could as a
matter of corporate law and, in particular, those aspects of corporate law
concerning corporate governance, constitutionally disqualify a potential
acquirer from voting on the affairs of a target corporation without the prior
approval of the remaining stockholders, as long as those laws were applicable
only under certain conditions. Subsequently, in TLX Acquisition Corp. v. Telex
Corp., a federal district court in Oklahoma ruled that the Oklahoma statutes
were

                                      31



unconstitutional insofar as they apply to corporations incorporated outside
Oklahoma, because they would subject those corporations to inconsistent
regulations. Similarly, in Tyson Foods, Inc. v. McReynolds, a federal district
court in Tennessee ruled that four Tennessee takeover statutes were
unconstitutional as applied to corporations incorporated outside Tennessee.
This decision was affirmed by the United States Court of Appeals for the Sixth
Circuit. In December 1988, a federal district court in Florida held, in Grand
Metropolitan PLC v. Butterworth, that the provisions of the Florida Affiliated
Transactions Act and Florida Control Share Acquisition Act were
unconstitutional as applied to corporations incorporated outside of Florida.

   We have not attempted to comply with any state takeover statutes in
connection with the Offer or the Merger. We reserve the right to challenge the
validity or applicability of any state law allegedly applicable to the Offer or
the Merger, and nothing in this Offer to Purchase nor any action that we take
in connection with the Offer is intended as a waiver of that right. In the
event that it is asserted that one or more takeover statutes apply to the Offer
or the Merger, and it is not determined by an appropriate court that the
statutes in question do not apply or are invalid as applied to the Offer or the
Merger, as applicable, we may be required to file certain documents with, or
receive approvals from, the relevant state authorities, and we might be unable
to accept for payment or purchase Shares tendered in the Offer or be delayed in
continuing or consummating the Offer. In that case, we may not be obligated to
accept for purchase, or pay for, any Shares tendered. See Section 14.

   Antitrust.  Under the HSR Act, and the related rules and regulations that
have been issued by the Federal Trade Commission (the ''FTC''), certain
acquisition transactions may not be consummated until certain information and
documentary material have been furnished for review by the FTC and the
Antitrust Division of the Department of Justice and certain waiting period
requirements have been satisfied. These requirements apply to our acquisition
of Shares in the Offer and the Merger.

   Under the HSR Act, the purchase of Shares in the Offer may not be completed
until the expiration of a 15-calendar-day waiting period following the filing
of certain required information and documentary material concerning the Offer
with the FTC and the Antitrust Division, unless the waiting period is earlier
terminated by the FTC and the Antitrust Division. We expect to file a Premerger
Notification and Report Form under the HSR Act with the FTC and the Antitrust
Division in connection with the purchase of Shares in the Offer and the Merger
on or prior to February 25, 2002, and, in that event, the required waiting
period with respect to the Offer and the Merger will expire at 11:59 p.m., New
York City time, on or about March 12, 2002, unless earlier terminated by the
FTC or the Antitrust Division or we receive a request for additional
information or documentary material prior to that time. If within the
15-calendar-day waiting period either the FTC or the Antitrust Division
requests additional information or documentary material from us, the waiting
period with respect to the Offer and the Merger would be extended for an
additional period of 10 calendar days following the date of our substantial
compliance with that request. Only one extension of the waiting period pursuant
to a request for additional information is authorized by the HSR Act rules.
After that time, the waiting period could be extended only by court order or
with our consent. The FTC or the Antitrust Division may terminate the
additional 10-calender-day waiting period before its expiration. In practice,
complying with a request for additional information or documentary material can
take a significant period of time. Although ORATEC is required to file certain
information and documentary material with the FTC and the Antitrust Division in
connection with the offer, neither ORATEC's failure to make those filings nor a
request made to ORATEC from the FTC or the Antitrust Division for additional
information or documentary material will extend the waiting period with respect
to the purchase of Shares in the Offer and the Merger.

   The FTC and the Antitrust Division frequently scrutinize the legality under
the antitrust laws of transactions such as our acquisition of Shares in the
Offer and Merger. At any time before or after our purchase of Shares, the FTC
or the Antitrust Division could take any action under the antitrust laws that
either considers necessary or desirable in the public interest, including
seeking to enjoin the purchase of Shares in the Offer and the Merger, the
divestiture of Shares purchased in the Offer or the divestiture of substantial
assets of Parent, Smith & Nephew or ORATEC or any of their respective
subsidiaries or affiliates. Private parties as well as state attorneys general
may also bring legal actions under the antitrust laws under certain
circumstances. See Section 13.

                                      32



   Based upon an examination of publicly available information relating to the
businesses in which ORATEC is engaged, we believe that the acquisition of
Shares in the Offer and the Merger should not violate the applicable antitrust
laws. Nevertheless, we cannot be certain that a challenge to the Offer and the
Merger on antitrust grounds will not be made, or, if such challenge is made,
what the result will be. See Section 14.

   Certain Foreign Laws.  ORATEC derives revenues from certain foreign
countries where regulatory filings or approvals may be required or desirable in
connection with the consummation of the Offer. Certain of such filings or
approvals, if required or desirable, may not be made or obtained prior to the
expiration of the Offer. Purchaser is seeking further information regarding the
applicability of any such laws and currently intends to take such action as may
be required or desirable.

16.  Fees and Expenses.

   We have retained Piper Jaffray to render financial advisory services to
Smith & Nephew concerning the acquisition of ORATEC and to act as Dealer
Manager in connection with the Offer, pursuant to which Piper Jaffray will
receive customary fees upon consummation of the Offer. We have also agreed to
indemnify Piper Jaffray against certain liabilities and expenses in connection
with its engagement, including liabilities under the federal securities laws.

   Piper Jaffray has rendered various investment banking services and other
advisory services to Parent and its affiliates in the past and may continue to
render such services, for which they have received and may continue to receive
customary compensation from Parent and its affiliates. Piper Jaffray has also
rendered investment banking services and other advisory services to ORATEC in
the past for which they have received customary compensation from ORATEC. In
the ordinary course of business, Piper Jaffray and its affiliates are engaged
in securities trading and brokerage activities as well as investment banking
and financial advisory services. In the ordinary course of their trading and
brokerage activities, Piper Jaffray and its affiliates may hold positions, for
their own account and for the accounts of customers, in equity, debt or other
securities of Parent or ORATEC.

   We have retained Morrow & Co., Inc. as Information Agent in connection with
the Offer. The Information Agent may contact holders of Shares by mail,
telephone, telex, telegraph and personal interview and may request brokers,
dealers and other nominee stockholders to forward material relating to the
Offer to beneficial owners of Shares. We will pay the Information Agent
reasonable and customary compensation for these services in addition to
reimbursing the Information Agent for its reasonable out-of-pocket expenses. We
have agreed to indemnify the Information Agent against certain liabilities and
expenses in connection with the Offer, including certain liabilities under the
federal securities laws.

   In addition, we have retained American Stock Transfer & Trust Company as the
Depositary. We will pay the Depositary reasonable and customary compensation
for its services in connection with the Offer, will reimburse the Depositary
for its reasonable out-of-pocket expenses and will indemnify the Depositary
against certain liabilities and expenses, including certain liabilities under
the federal securities laws.

   Except as set forth above, we will not pay any fees or commissions to any
broker, dealer or other person for soliciting tenders of Shares pursuant to the
Offer. We will reimburse brokers, dealers, commercial banks and trust companies
and other nominees, upon request, for customary clerical and mailing expenses
incurred by them in forwarding offering materials to their customers.

17.   Miscellaneous.

   We are not aware of any jurisdiction where the making of the Offer is
prohibited by any administrative or judicial action pursuant to any valid state
statute. If we become aware of any valid state statute prohibiting the making
of the Offer or the acceptance of the Shares, we will make a good faith effort
to comply with that state statute. If, after a good faith effort, we cannot
comply with the state statute, we will not make the Offer to, nor

                                      33



will we accept tenders from or on behalf of, the holders of Shares in that
state. In any jurisdiction where the securities, blue sky or other laws require
the Offer to be made by a licensed broker or dealer, the Offer shall be deemed
to be made on behalf of Purchaser by Piper Jaffray or one or more registered
brokers or dealers licensed under the laws of such jurisdiction.

   We have filed with the SEC a Tender Offer Statement on Schedule TO, together
with exhibits, furnishing certain additional information with respect to the
Offer, and may file amendments to our Schedule TO. Our Schedule TO and any
exhibits or amendments may be examined and copies may be obtained from the SEC
in the same manner as described in Section 8.

   We have not authorized any person to give any information or to make any
representation on our behalf not contained in this Offer to Purchase or in the
Letter of Transmittal and, if given or made, you should not rely on any such
information or representation as having been authorized.

   Neither the delivery of the Offer to Purchase nor any purchase pursuant to
the Offer will under any circumstances create any implication that there has
been no change in the affairs of Smith & Nephew, Purchaser, ORATEC or any of
their respective subsidiaries since the date as of which information is
furnished or the date of this Offer to Purchase.

                                          ORCHID MERGER CORP.
February 22, 2002

                                      34



                                                                     SCHEDULE I

                 CERTAIN INFORMATION CONCERNING THE DIRECTORS
        AND EXECUTIVE OFFICERS OF PARENT, SMITH & NEPHEW AND PURCHASER

   Directors and Executive Officers of Parent. Set forth below are the name,
current business address, citizenship and present principal occupation and
employment history (covering a period of not less than five years) of each
executive officer and director of Parent. Unless otherwise indicated, each
person's business address is 15 Adam Street, London, England WC2N 6LA. Each
person is a citizen of England, except for Dr. Stomberg, who is a citizen of
Germany and Messrs. De Schutter, Knowlton, Papasan, Sparks and Ralston, who are
citizens of the United States.



                                       Principal Occupation or Employment and
Name                Business Address        Five-Year Employment History
- ----                ---------------- ------------------------------------------
                               
Dudley Eustace                       Director since 1999. Chairman of the Board
                                     since 2000. Non-Executive Chairman of
                                     Sendo Holdings plc and Non-Executive
                                     Director of Royal KPN NV and Sonae.com
                                     SGPS since 2001. Member of Supervisory
                                     Board of KLM Royal Dutch Airlines NV,
                                     Charterhouse Vermogonsbemeer BV and
                                     Hagemeyer NV since 1999. Member of
                                     Supervisory Board of Aegon NV since
                                     1998. Vice-Chairman of Philips Board of
                                     Management and Group Management
                                     Committee from 1997 to 1999.

Dr. Rolf Stomberg                    Director since 1998. Chairman of the Board
                                     of Management Consulting Group plc since
                                     January of 2002. Non-Executive Director of
                                     Hoyer GmbH since 2001. Non-Executive
                                     Director of Aral AG since 2000. Non-
                                     Executive Director of Reed Elsevier plc
                                     since 1999. Non-Executive Director of
                                     Cordiant Communications plc, Scania AB,
                                     Stinnes AG and TPG Group since 1998.
                                     Various executive positions with The
                                     British Petroleum Company plc until 1997.

Richard De Schutter                  Director since 2001. Chairman and Chief
                                     Executive Officer of Dupont
                                     Pharmaceuticals Company from 2000 to
                                     2001. Senior Vice President and Chief
                                     Administration Officer of Pharmacia
                                     Corporation in 2000. Chief Administration
                                     Officer of Monsanto Company from 1999 to
                                     2000. Chairman and Chief Executive
                                     Officer of G.D. Searle & Co. from 1995 to
                                     1999. Non-Executive Director of Varian,
                                     Inc since 2001. Non-Executive Director of
                                     ING Americas since 2000. Non-Executive
                                     Director of General Binding Corporation
                                     since 1997. Non-Executive Director of
                                     Incyte Genomics Inc. as of 2002.


                                      I-1





                                            Principal Occupation or Employment and
Name                   Business Address          Five-Year Employment History
- ----                  ------------------ ---------------------------------------------
                                   

Warren Knowlton                          Director since 2000. President--Automative
                                         Products Worldwide and President--North
                                         America of Pilkington Inc. since 1998.
                                         President--Building Products Worldwide of
                                         Pilkington plc from 1997 to 1998.

Sir Timothy Lankester                    Director since 1996. President of Corpus
                                         Christi College since 2001. Non-Executive
                                         Director of London Metal Exchange since
                                         1997. Deputy Chairman of British Council
                                         since 1999.

Sir Anthony Cleaver                      Director since 1993. Chairman of the Board of
                                         UK eUniversities Worldwide Limited since
                                         2001. Chairman of the Board of SThree
                                         Limited, IX Holdings Limited and Baxi UK
                                         Limited since 1999. Chairman of the Board of
                                         Medical Research Council since 1998. Non-
                                         Executive Director of Lockheed Martin UK
                                         Limited since 1995.

Sir Brian Pearse                         Director since 1993. Chairman of the Board of
                                         Plymouth University since 2001. Deputy
                                         Chairman of Plymouth University from 1998
                                         to 2001. Chairman of the Board of the Centre
                                         for the Study of Financial Innovation since
                                         1998. Deputy Chairman of Britannic plc since
                                         1997.

Christopher O'Donnell                    Executive Director since 1992. Chief
                                         Executive Officer since 1997. Non-Executive
                                         Director of BOC Group plc since 2001.

Michael Parson                           Group Legal Advisor and Secretary since
                                         1991.

Peter Hooley                             Executive Director (responsible for Finance
                                         and Information Technology) since 1991.

Alan Suggett          Smith & Nephew plc Group Director, Technology since 1986.
                      York Science Park
                      Heslington, York
                      YO1 5DF

Peter Huntley                            Group Director, Strategy and Business
                                         Development since 1998. Business
                                         Development Manager of Matthew Clark plc
                                         from 1990 to 1998.

Margaret Stewart                         Group Director, Corporate Affairs since 2001.
                                         Director of Corporate Affairs of Yorkshire
                                         Water plc from 1995 to 1998.

James Taylor                             Group Director, Indirect Markets since 2000.
                                         Plant Director of Pilkington Glass in 1999.
                                         President of DePuy International from 1996 to
                                         1998.


                                      I-2





                                       Principal Occupation or Employment and
Name            Business Address            Five-Year Employment History
- ----          -------------------- ----------------------------------------------
                             
Larry Papasan Smith & Nephew, Inc. President, Orthopaedics since 1999. President,
              1450 Brooks Road     Orthopaedics of Smith & Nephew since 1991.
              Memphis, Tennessee
              38116
Ron Sparks    Smith & Nephew, Inc. President, Endoscopy since 1999. President,
              160 Dascomb Road     Endoscopy of Smith & Nephew since 1999.
              Andover,             Executive Officer of Smith & Nephew since
              Massachusetts 01810  1995. Member of Holy Family Hospital and
                                   Medical Center, Valley Regional Ventures,
                                   Inc. and Valley Regional Support Services,
                                   Inc. Board of Trustees since 2000. Member of
                                   Holy Family Hospital Foundation Board of
                                   Trustees since 2001.
Jim Dick      Smith & Nephew plc   President, Wound Management since 1999.
              P.O. Box 81          Various executive positions with Parent from
              101 Hessle Road Hull prior to 1997 to 1999.
              HU3 2BN
Paul Williams                      Group Director, Human Resources since 1998.
                                   Personnel Director of Rolls-Royce Industrial
                                   Power Group from 1996 to 1998.
James Ralston Smith & Nephew, Inc. Executive Officer of Parent as of 2002. Senior
              1450 Brooks Road     Vice President and General Counsel of Smith
              Memphis, Tennessee   & Nephew since 1999. Vice President,
              38119                General Counsel and Secretary of Eagle-
                                   Picher Industries, Inc. from 1997 to 1998.


   Directors and Executive Officers of Smith & Nephew. Set forth below are the
name, current business address, citizenship and present principal occupation
and employment history (covering a period of not less than five years) of each
executive officer and Director of Smith & Nephew. Unless otherwise indicated,
each person's business address is 1450 Brooks Road, Memphis, Tennessee 38116.
All persons listed below are citizens of the United States of America.



                                      Principal Occupation or Employment and
Name            Business Address           Five-Year Employment History
- ----          -------------------- ---------------------------------------------
                             
Larry Papasan                      Director since 1998. President, Orthopaedics
                                   since 1991. President, Orthopaedics of Parent
                                   since 1999.
Ron Sparks    Smith & Nephew, Inc. Director and President, Endoscopy since 1999.
              160 Dascomb Road     Executive Officer since 1995. President,
              Andover,             Endoscopy of Parent since 1999. Member of
              Massachusetts 01810  Holy Family Hospital and Medical Center,
                                   Valley Regional Ventures, Inc. and Valley
                                   Regional Support Services, Inc. Board of
                                   Trustees since 2000. Member of Holy Family
                                   Hospital Foundation Board of Trustees since
                                   2001.
James Ralston                      Director, Senior Vice President and General
                                   Counsel since 1999. Executive Officer of
                                   Parent as of 2002. Vice President, General
                                   Counsel and Secretary of Eagle-Picher
                                   Industries, Inc. from 1997 to 1998.


                                      I-3



   Directors and Executive Officers of Purchaser. Set forth below are the name,
current business address, citizenship and present principal occupation and
employment history (covering a period of not less than five years) of each
executive officer and Director of Purchaser. Unless otherwise indicated, each
person's business address is 160 Dascomb Road, Andover, Massachusetts 01810.
All persons listed below are citizens of the United States of America.



                                      Principal Occupation or Employment and
Name            Business Address           Five-Year Employment History
- ----          -------------------- ---------------------------------------------
                             
Ron Sparks                         Director and President as of 2002. President,
                                   Endoscopy of Parent since 1999. Director and
                                   President, Endoscopy of Smith & Nephew
                                   since 1999. Executive Officer of Smith &
                                   Nephew since 1995. Member of Holy Family
                                   Hospital and Medical Center, Valley Regional
                                   Ventures, Inc. and Valley Regional Support
                                   Services, Inc. Board of Trustees since 2000.
                                   Member of Holy Family Hospital Foundation
                                   Board of Trustees since 2001.
Mark Frost                         Director and Vice President--Finance
                                   as of 2002. Vice President--Finance,
                                   Endoscopy of Smith & Nephew since 1999.
                                   Chief Financial Officer of General Electric--
                                   Sovac Auto Financial Services Division from
                                   1997 to 1999. Director of Financial Planning
                                   and Analysis for General Electric Groupe
                                   Sovac from 1996 to 1997.
John Konsin                        Vice President--Marketing as of 2002. Vice
                                   President--Marketing, Endoscopy of Smith &
                                   Nephew since 1999. Vice President--
                                   Marketing of Chiron Corporation from 1996
                                   to 1999.
James Ralston Smith & Nephew, Inc. Senior Vice President, Secretary and General
              1450 Brooks Road     Counsel as of 2002. Executive Officer of
              Memphis, Tennessee   Parent as of 2002. Director, Senior Vice
              38116                President and General Counsel of Smith &
                                   Nephew since 1999. Vice President, General
                                   Counsel and Secretary of Eagle-Picher
                                   Industries, Inc. from 1997 to 1998.


                                      I-4



   Facsimile copies of the Letter of Transmittal, properly completed and duly
executed, will be accepted. The Letter of Transmittal, certificates for Shares
and any other required documents should be sent or delivered by each
stockholder of ORATEC or his broker, dealer, commercial bank, trust company or
other nominee to the Depositary at one of its addresses set forth below:

                       The Depositary for the Offer is:

                    AMERICAN STOCK TRANSFER & TRUST COMPANY


                                     
       By Registered or Certified Mail,
          Hand or Overnight Courier:       By Facsimile Transmission:
          American Stock Transfer &     (For Eligible Institutions Only)
                Trust Company                  (718) 234-5001
                59 Maiden Lane
           New York, New York 10038
                            For Confirmation call:
                                (718) 921-8200

   You may direct questions and requests for assistance to the Information
Agent or the Dealer Manager at their respective telephone numbers and addresses
set forth below. You may obtain additional copies of this Offer to Purchase,
the Letter of Transmittal, the Notice of Guaranteed Delivery and other tender
offer materials from the Information Agent as set forth below and they will be
furnished promptly at our expense. You may also contact your broker, dealer,
commercial bank, trust company or other nominee for assistance concerning the
Offer.

                    The Information Agent for the Offer is:

                              Morrow & Co., INC.
                          445 Park Avenue, 5th Floor
                           New York, New York 10022
                       E-mail: ORATEC.info@morrowco.com
                         Call Collect: (212) 754-8000
       Banks and Brokerage Firms, Please Call Toll Free: (800) 654-2468

              Stockholders, Please Call Toll Free: (800) 607-0088

                     The Dealer Manager for the Offer is:

[LOGO] US bancorp
Piper Jaffray(R)
                          800 Nicollet Mall, J1012063
                         Minneapolis, Minnesota 54402
                           (800) 333-6000 ext. 8554