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

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1. Name and Address of Reporting Person * LAWLOR AUGUSTINE   2. Issuer Name and Ticker or Trading Symbol REPLIDYNE INC [RDYN] 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) 55 CAMBRIDGE PARKWAY, SUITE 301 3. Date of Earliest Transaction (Month/Day/Year) 07/03/2006 (Street) CAMBRIDGE, MA 02142 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 07/03/2006   C   3,869,796 A $ 0 (1) 4,212,628 (2) I (3) and Direct

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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

Series A Convertible Preferred

$ 0 (4)

07/03/2006

C

8,250,300

(4)

(4)

Common Stock

8,250,300 (4)

$ 0 (4)

0

I (1)

and Direct

Series C Convertible Preferred

$ 0 (5)

07/03/2006

C

7,280,001

(5)

(5)

Common Stock

7,280,001 (5)

$ 0 (5)

0

I (1)

and Direct

Series D Convertible Preferred

$ 0 (6)

07/03/2006

C

3,447,188

(6)

(6)

Common Stock

3,447,188 (6)

$ 0 (6)

0

I (1)

and Direct

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
LAWLOR AUGUSTINE 55 CAMBRIDGE PARKWAY SUITE 301 CAMBRIDGE, MA 02142	X	X

Signatures

/s/Jeffrey Steinberg, Attorney-in-Fact for Augustine Lawlor		07/05/2006
**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)	Not Applicable.
(2)	Includes 296,239 shares of the Issuer's common stock issued to HealthCare Ventures VI, L.P. ("HCVVI") in satisfaction of accumulated dividends on the Series A and Series C Convertible Preferred Stock owned by HCVVI and 46,593 shares of the Issuer's common stock issued to HealthCare Ventures VIII, L.P. ("HCVVIII") in satisfaction of accumulated dividends on the Series D Convertible Preferred Stock owned by HCVVIII.
(3)	3,463,102 of these shares are owned by HCVVI and 749,526 of these shares are owned by HCVVIII. These securities are indirectly beneficially owned by the Reporting Person as a general partner of HealthCare Partners VI, L.P. ("HCPVI"), the general partner of HCVVI and as a managing director of HealthCare Partners VIII, LLC, which is the general partner of HealthCare Partners VIII, L.P., the general partner of HCVVIII. Mr. Lawlor disclaims beneficial ownership of those securities in which he does not have a pecuniary interest and this report shall not be deemed an admission that he is the beneficial owner of these securities for purposes of Section 16, except to the extent of his pecuniary interest therein.
(4)	These securities automatically converted into 1,682,361 shares of the Issuer's Common Stock on July 3, 2006, the closing of the initial public offering of the Issuer. The conversion of the Series A Convertible Preferred Stock gives effect to the Issuer's 1 for 4.904 reverse stock split.
(5)	These securities automatically converted into 1,484,502 shares of the Issuer's Common Stock on July 3, 2006, the closing of the initial public offering of the Issuer. The conversion of the Series C Convertible Preferred Stock gives effect to the Issuer's 1 for 4.904 reverse stock split.
(6)	These securities automatically converted into 702,933 shares of the Issuer's Common Stock on July 3, 2006, the closing of the initial public offering of the Issuer. The conversion of the Series D Convertible Preferred Stock gives effect to the Issuer's 1 for 4.904 reverse stock split.

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