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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(Print or Type Responses)

1. Name and Address of Reporting Person * Collins Kenneth J   2. Issuer Name and Ticker or Trading Symbol REPLIDYNE INC [RDYN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) 1450 INFINITE DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 03/05/2008 (Street) LOUISVILLE, CO 80027 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

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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

Stock Option (right to buy)

$ 1.86

03/05/2008

03/05/2008

A

100,000

04/05/2008(1)

03/04/2018

Common Stock

100,000

$ 0

100,000

D

Stock Option (right to buy)

$ 1.86

03/05/2008

03/05/2008

A

100,000

(2)

03/04/2018

Common Stock

100,000

$ 0

100,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Collins Kenneth J 1450 INFINITE DRIVE LOUISVILLE, CO 80027	X		President and CEO

Signatures

/s/ Laura M. Medina, Attorney-in-Fact		03/07/2008
**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)	Grant to Reporting Person of a stock option under the Issuer's 2006 Equity Incentive Plan. The option vests in equal monthly installments over 48 months beginning March 5, 2008. The option is exercisable three years following the Reporting Person's termination of service with the Issuer. The option expires ten years after the date of grant.
(2)	Grant to Reporting Person of a stock option under the Issuer's 2006 Equity Incentive Plan. The option vests in full, subject to the sole discretion of the Issuer's Board of Directors, immediately prior to the consummation of either (a) a strategic alliance or partnership with an unaffiliated third party that relates to the development and commercialization of faropenem or (b) another strategic transaction to which the Issuer is a party. The option is exercisable three years following the Reporting Person's termination of service with the Issuer. The option expires ten years after the date of grant.

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