Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
WHEELER KURT
   2. Issuer Name and Ticker or Trading Symbol
CRYOCOR INC [CRYO] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
9717 PACIFIC HEIGHTS BLVD.		 3. Date of Earliest Transaction (Month/Day/Year)
05/28/2008
(Street)

SAN DIEGO, CA 92121		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 05/28/2008   U   3,028,082 D $ 1.35 0 I See footnote (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non-qualified Stock Option (Right to Buy) $ 2.35 05/28/2008   D     6,451   (2) 05/02/2016 Common Stock 6,451 $ 0 0 D  
Non-qualified Stock Option (Right to Buy) $ 6.69 05/28/2008   D     6,451   (2) 05/13/2017 Common Stock 6,451 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
WHEELER KURT
9717 PACIFIC HEIGHTS BLVD.
SAN DIEGO, CA 92121		   X   X    

Signatures

 /s/ Amy A. Seidlinger for Kurt C. Wheeler   05/30/2008
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The Reporting Person is a member of MPM Asset Management II LLC ("AM II LLC") and MPM Asset Management Investors 2000B LLC ("AM 2000"). MPM Asset Management II, L.P. and AM II LLC are the direct and indirect general partners of MPM BioVentures II-QP, L.P. ("BV II QP"), MPM BioVentures II, L.P. ("BV II") and MPM BioVentures GmbH & Co. Parallel-Beteiligungs KG ("BV KG"). The shares are held as follows: 2,038,512 by BV II QP, 224,984 by BV II, 46,930 by AM 2000 and 717,656 by BV KG. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.
(2) The Non-qualified Stock Option had fully vested prior to the close of the merger between the Issuer, Boston Scientific Scimed, Inc. and Padres Acquisition Corp. The Non-qualified Stock Option was not exercised and therefore was canceled at the close of the merger between the Issuer, Boston Scientific Scimed, Inc. and Padres Acquisition Corp.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.