EX-32.1 4 dex321.htm CEO & CFO CERTIFICATIONS PURSUANT TO 18 U.S.C. 1350 AND RULE 13A-14(B) CEO & CFO Certifications pursuant to 18 U.S.C. 1350 and Rule 13a-14(b)

Exhibit 32.1

CERTIFICATIONS OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Lloyd H. Malchow, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of SenoRx, Inc. on Form 10-Q for the quarterly period ended September 30, 2006 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Annual Report on Form 10-K fairly presents in all material respects the financial condition and results of operations of SenoRx, Inc.

 

Date: May 15, 2007     By:  

/s/ Lloyd H. Malchow

    Name:   Lloyd H. Malchow
    Title:   President and Chief Executive Officer

I, Kevin J. Cousins, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of SenoRx, Inc. on Form 10-Q for the quarterly period ended September 30, 2006 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Annual Report on Form 10-K fairly presents in all material respects the financial condition and results of operations of SenoRx, Inc.

 

Date: May 15, 2007     By:  

/s/ Kevin J. Cousins

    Name:   Kevin J. Cousins
    Title:   Chief Financial Officer