EXHIBIT 99.1


APPROVED BY:
ATS Medical, Inc.
Michael Dale
President and CEO, 763-557-2224
Jack Judd
CFO, 763-557-2222

Contacts:
Investors
EVC Group
Douglas Sherk, 415-896-6820
Anne Bugge, 206-926-5220
Jennifer Beugelmans, 415-896-6820


FOR IMMEDIATE RELEASE


  ATS MEDICAL SIGNS DEFINITIVE AGREEMENTS TO SELL $13.1 MILLION OF COMMON STOCK


MINNEAPOLIS, June 25, 2004---ATS Medical, Inc. (Nasdaq: ATSI) today announced
that it has entered into definitive agreements for the sale of approximately
$13.1 million of common stock. The transaction is expected to close on June 28,
2004, subject to customary closing conditions.

The securities sold have not been registered under the Securities Act of 1933,
as amended, and may not be offered or sold in the United States absent
registration or applicable exemption from registration. ATS Medical has agreed
to file, no later than 15 business days after the closing, a registration
statement providing for the resale of the common stock.

ABOUT ATS MEDICAL

ATS Medical, Inc., headquartered in Minneapolis, is a leading medical device
company specializing in mechanical heart valves, aortic graft prostheses and
related cardiovascular surgery accessories. ATS is a global company with product
sales in more than 40 countries. The ATS Open Pivot(R) Valve has been implanted
in over 85,000 patients and utilizes a unique pivot design that results in
better performance and a lower risk profile. The Company's website is
www.atsmedical.com.




SAFE HARBOR

All statements in this news release that are not statements of historical fact
are forward-looking statements, including the statement that the offering is
expected to close within two business days. These statements are based on
expectations and assumptions as of the date of this press release and are
subject to numerous risks and uncertainties, which could cause actual results to
differ materially from those described in the forward-looking statements. The
risks and uncertainties include the ability of the Company and the investors to
comply with certain conditions to closing as set forth in the definitive
agreements. ATS Medical assumes no obligation to update these forward looking
statements, and does not intend to do so.

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