Exhibit 32.2

CERTIFICATION

I, Michael R. Kramer, Acting Chief Financial Officer of ATS Medical, Inc. (the “Company”), certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

The Quarterly Report on Form 10-Q of the Company for the quarter ended March 31, 2007 (the “Report”) fully complies with the requirements of Section 13(a) of the Securities and Exchange Act of 1934 (15 U.S.C. 78m); and

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	May 9, 2007
	/s/ Michael R. Kramer
Name:	Michael R. Kramer
Title:	Acting Chief Financial Officer