EXHIBIT 25.1

FORM T-1

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF ELIGIBILITY
UNDER THE TRUST INDENTURE ACT OF 1939 OF A
CORPORATION DESIGNATED TO ACT AS TRUSTEE

CHECK IF AN APPLICATION TO DETERMINE
ELIGIBILITY OF A TRUSTEE PURSUANT TO
SECTION 305 (b)(2) [ ]

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STATE STREET BANK AND TRUST COMPANY, N.A.

(Exact name of trustee as specified in its charter)

UNITED STATES 13-3191724
(Jurisdiction of incorporation or organization (I.R.S. Employer
if not a U.S. national bank) Identification No.)

61 BROADWAY, 15TH FLOOR, NEW YORK, NEW YORK 10006
(Address of principal executive offices) (Zip code)

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INSIGHT HEALTH SERVICES CORP.
(Exact name of obligor as specified in its charter)

DELAWARE 33-0702770
(State or other jurisdiction of (I.R.S. Employer
incorporation or organization) Identification No.)

4400 MACARTHUR BLVD., NEWPORT BEACH, CA 92660
(Address of principal executive offices) (Zip code)

TABLE OF ADDITIONAL OBLIGORS

STATE OR OTHER
JURISDICTION OF
INCORPORATION OR I.R.S. EMPLOYER
EXACT NAME OF OBLIGOR AS SPECIFIED IN ITS CHARTER ORGANIZATION IDENTIFICATION NO.
- ------------------------------------------------- ------------ ------------------

InSight Health Services Holdings Corp. Delaware 04-3570028

InSight Health Corp. Delaware 52-1278857

Signal Medical Services, Inc. Delaware 33-0802413

Open MRI, Inc. Delaware 94-3251529

Maxum Health Corp. Delaware 75-2287276

Radiosurgery Centers, Inc. Delaware 33-0522445

Maxum Health Services Corp. Delaware 75-2135957

MRI Associates, L.P. Indiana 35-1881106

Maxum Health Services of North Texas, Inc. Texas 75-2435797

Maxum Health Services of Dallas, Inc. Texas 75-2615132

NDDC, Inc. Texas 75-2407830

Diagnostic Solutions Corp. Delaware 75-2565249

Wilkes-Barre Imaging, L.L.C. Pennsylvania 52-2238781

The address, including zip code, of the principal executive offices of each of
the additional obligors are as follows:

OBLIGOR ADDRESS ZIP CODE
- ------- ------- --------

InSight Health Services Holdings Corp. c/o J.W. Childs Associates, L.P. 021999
111 Huntington Avenue, Suite 2900
Boston, Massachusetts

InSight Health Corp. c/o InSight Health Services Corp. 92660
4400 MacArthur Blvd.
Newport Beach, California

Signal Medical Services, Inc. c/o InSight Health Services Corp. 92660
4400 MacArthur Blvd.
Newport Beach, California

Open MRI, Inc. c/o InSight Health Services Corp. 92660
4400 MacArthur Blvd.

OBLIGOR ADDRESS ZIP CODE
- ------- ------- --------

Newport Beach, California

OBLIGOR ADDRESS ZIP CODE
- ------- ------- --------

Maxum Health Corp. c/o InSight Health Services Corp. 92660
4400 MacArthur Blvd.
Newport Beach, California

Radiosurgery Centers, Inc. c/o InSight Health Services Corp. 92660
4400 MacArthur Blvd.
Newport Beach, California

Maxum Health Services Corp. c/o InSight Health Services Corp. 92660
4400 MacArthur Blvd.
Newport Beach, California

MRI Associates, L.P. c/o InSight Health Services Corp. 92660
4400 MacArthur Blvd.
Newport Beach, California

Maxum Health Services of North Texas, Inc. c/o InSight Health Services Corp. 92660
4400 MacArthur Blvd.
Newport Beach, California

Maxum Health Services of Dallas, Inc. c/o InSight Health Services Corp. 92660
4400 MacArthur Blvd.
Newport Beach, California

NDDC, Inc. c/o InSight Health Services Corp. 92660
4400 MacArthur Blvd.
Newport Beach, California

Diagnostic Solutions Corp. c/o InSight Health Services Corp. 92660
4400 MacArthur Blvd.
Newport Beach, California

Wilkes-Barre Imaging, L.L.C. c/o InSight Health Services Corp. 92660
4400 MacArthur Blvd.
Newport Beach, California

9 7/8% SENIOR SUBORDINATED NOTES DUE 2011
(Title of the indenture securities)

1. GENERAL INFORMATION. FURNISH THE FOLLOWING INFORMATION AS TO THE
TRUSTEE:

(a) NAME AND ADDRESS OF EACH EXAMINING OR SUPERVISING AUTHORITY TO
WHICH IT IS SUBJECT.

Office of the Comptroller of the Currency Washington, D.C.

Federal Deposit Insurance Corporation Washington, D.C.

(b) WHETHER IT IS AUTHORIZED TO EXERCISE CORPORATE TRUST POWERS.

The trustee is authorized to exercise corporate trust powers.

2. AFFILIATIONS WITH THE OBLIGOR.

IF THE OBLIGOR IS AN AFFILIATE OF THE TRUSTEE, DESCRIBE EACH SUCH
AFFILIATION.

The obligor is not an affiliate of the trustee or of its parent, State
Street Bank and Trust Company. (See Notes).

16. LIST OF EXHIBITS.

LIST BELOW ALL EXHIBITS FILED AS PART OF THIS STATEMENT OF ELIGIBILITY.

Items 1 through 5 below were filed with and are incorporated by
reference to the Form T-1 in Registration Statement No. 333-53759 filed
by Columbus McKinnon Corporation effective July 1, 1998:

1. Copy of the articles of association of the trustee.

2. Copy of the certificate of authority of the trustee
to commence business.

3. Copy of the authorization of the trustee to exercise
corporate trust powers.

4. Copy of the existing by-laws of the trustee.

5. The consent of trustee as required by Section 321(b)
of the Act.

6. Copy of the latest report of condition of the trustee
filed pursuant to law or the requirements of its
supervising or examining authority filed as Exhibit
A.

NOTES

In answering any item of this Statement of Eligibility that relates to matters
peculiarly within the knowledge of the obligor or any underwriter for the
obligor, the trustee has relied upon information furnished to it by the obligor
and the underwriters, and the trustee disclaims responsibility for the accuracy
or completeness of such information.

The answer furnished to Item 2. of this statement will be amended, if necessary,
to reflect any facts which differ from those stated and which would have been
required to be stated if known at the date hereof.

SIGNATURE

Pursuant to the requirements of the Act, the Trustee, State Street Bank
and Trust Company, N.A., a corporation organized and existing under the laws of
the United States of America, has duly caused this statement of eligibility to
be signed on its behalf by the undersigned, thereunto duly authorized, all in
the City of New York, and State of New York, on the 22 day of March, 2002.

STATE STREET BANK AND TRUST COMPANY, N.A.

By: /s/ Cheryl Clarke
___________________________
Name: Cheryl Clarke
Title: Assistant Secretary

Exhibit A

State Street Ban and Trust Company,
National Association
61 BROADWAY FFIEC 041
NEW YORK CITY , NY 10006 Consolidated Report of Condition
FDIC Certificate Number: 24938 for September 30, 2001

Web Address as of: 11/21/2001 http://www.statestreet.com
THE WEB ADDRESS IS AS PROVIDED BY THE INSTITUTION.
PLEASE CONTACT THE INSTITUTION DIRECTLY WITH ANY QUESTIONS REGARDING THE
DATA OR THE WEB ADDRESS.

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Consolidated Report of Condition for Insured Commercial and State - Chartered
Savings Banks for September 30, 2001

All Schedules are to be reported in thousands of dollars. Unless otherwise
indicated, report the amount outstanding as of the last business day of the
quarter.

Schedule RC -- Balance Sheet

DOLLAR AMOUNTS IN THOUSANDS
ASSETS

1. Cash and balances due from depository institutions (from Schedule RC-A)
a. Noninterest-bearing balances and currency and coin(1) RCON 0081 19,233
b. Interest-bearing balances(2) RCON 0071 0

2. Securities:
a. Held-to-maturity securities (from Schedule RC-B, column A) RCON 1754 0
b. Available-for-sale securities (from Schedule RC-B, column D) RCON 1773 0

3. Federal funds sold and securities purchased under agreements to resell RCON 1350 0

4. Loans and lease financing receivables (from Schedule RC-C):
a. LOANS AND LEASES HELD FOR SALE RCON 5369 0

Exhibit A

b. LOANS AND LEASES, NET OF UNEARNED INCOME RCON B528 0
c. LESS: Allowance for loan and lease losses RCON 3123 0
d. LOANS AND LEASES, NET OF UNEARNED INCOME AND ALLOWANCE (item 4.b
minus 4.c) RCON B529 0

5. Trading assets (from Schedule RC-D) RCON 3545 0

6. Premises and fixed assets (including capitalized leases) RCON 2145 581

7. Other real estate owned (from Schedule RC-M) RCON 2150 0

8. Investments in unconsolidated subsidiaries and associated companies (from
Schedule RC-M) RCON 2130 0

9. Customers' liability to this bank on acceptances outstanding RCON 2155 0

10. Intangible assets:
a. GOODWILL RCON 3163 0
b. OTHER INTANGIBLE ASSETS (from Schedule RC-M) RCON 0426 0

11. Other assets (from Schedule RC-F) RCON 2160 1,441

12. Total assets (sum of items 1 through 11) RCON 2170 21,255

LIABILITIES

13. Deposits:
a. In domestic offices (sum of totals of columns A and C from
Schedule RC-E) RCON 2200 0
(1) Noninterest-bearing(3) RCON 6631 0
(2) Interest-bearing RCON 6636 0
b. Not applicable

14. Federal funds purchased and securities sold under agreements to repurchase RCON 2800 0

15. Trading liabilities (from Schedule RC-D) RCON 3548 0

16. OTHER BORROWED MONEY (includes mortgage indebtedness and obligations under
capitalized leases) (from Schedule RC-M) RCON 3190 0

17. Not applicable

18. Bank's liability on acceptances executed and outstanding RCON 2920 0

19. Subordinated notes and debentures(4) RCON 3200 0

20. Other liabilities (from Schedule RC-G) RCON 2930 7,864

Exhibit A

21. Total liabilities (sum of items 13 through 20) RCON 2948 7,864

22. MINORITY INTEREST IN CONSOLIDATED SUBSIDIARIES RCON 3000 0
EQUITY CAPITAL

23. Perpetual preferred stock and related surplus RCON 3838 0

24. Common stock RCON 3230 500

25. Surplus (exclude all surplus related to preferred stock) RCON 3839 2,000

26. a. Retained earnings RCON 3632 10,891
b. ACCUMULATED OTHER COMPREHENSIVE INCOME(5) RCON B530 0

27. OTHER EQUITY CAPITAL COMPONENTS(6) RCON A130 0

28. Total equity capital (sum of items 23 through 27) RCON 3210 13,391

29. Total liabilities, minority interest, and equity capital (sum of items 21,
22, and 28) RCON 3300 21,255

Memorandum

TO BE REPORTED WITH THE MARCH REPORT OF CONDITION.

1. Indicate in the box at the right the number of the statement below that
best describes the most comprehensive level of auditing work performed for
the bank by independent external auditors as of any date during 2000 RCON 6724 N/A

1 = Independent audit of the bank conducted in accordance with generally
accepted auditing standards by a certified public accounting firm which
submits a report on the bank

2 = Independent audit of the bank's parent holding company conducted in
accordance with generally accepted auditing standards by a certified
public accounting firm which submits a report on the consolidated holding
company (but not on the bank separately)

3 = ATTESTATION ON BANK MANAGEMENT'S ASSERTION ON THE EFFECTIVENESS OF THE
BANK'S INTERNAL CONTROL OVER FINANCIAL REPORTING BY A CERTIFIED PUBLIC
ACCOUNTING FIRM

4 = Directors' examination of the bank conducted in accordance with
generally accepted auditing standards by a certified public accounting
firm (may be required by state chartering authority)

5 = Directors' examination of the bank performed by other external auditors
(may be required by state chartering authority)

6 = Review of the bank's financial statements by external auditors

7 = Compilation of the bank's financial statements by external auditors

8 = Other audit procedures (excluding tax preparation work)

9 = No external audit work

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1 Includes cash items in process of collection and unposted debits.
2 Includes time certificates of deposit not held for trading.
3 Includes total demand deposits and noninterest-bearing time and savings
deposits.
4 Includes limited-life preferred stock and related surplus.
5 Includes net unrealized holding gains (losses) on available-for-sale
securities, accumulated net gains (losses) on cash flow hedges, and minimum
pension liability adjustments.
6 Includes treasury stock and unearned Employee Stock Ownership Plan shares.