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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
EASTON HUNT CAPITAL PARTNERS LP
   2. Issuer Name and Ticker or Trading Symbol
CARDIOVASCULAR SYSTEMS INC [NONE] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
641 LEXINGTON AVE		 3. Date of Earliest Transaction (Month/Day/Year)
02/25/2009
(Street)

NEW YORK, NY 10022		 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

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 Conv Preferred Stock (1)               (1)   (1) Common Stock 616,197   616,197 D  
Warrant $ 5.71             07/19/2006 07/19/2011 Series A Conv Preferred Stock 87,499   87,499 D  
Warrant $ 6             09/12/2008 09/12/2013 Common Stock 166,667   166,667 D  
Warrant $ 5.71 02/25/2009   J(2)   234,339   02/25/2009 02/24/2014 Common Stock 234,339 $ 0 234,339 D  
Series A Conv Preferred Stock (1)               (1)   (1) Common Stock 616,197   616,197 I Held by Easton Capital Partners, LP
Warrant $ 5.71             07/19/2006 07/19/2011 Series A Conv Preferred Stock 87,499   87,499 I Held by Easton Capital Partners, LP
Warrant $ 5.71 02/25/2009   J(2)   234,339   02/25/2009 02/24/2014 Common Stock 234,339 $ 0 234,339 I Held by Easton Capital Partners, LP

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
EASTON HUNT CAPITAL PARTNERS LP
641 LEXINGTON AVE
NEW YORK, NY 10022		     X    

Signatures

 /s/ Carlye S. Landin as Attorney-in-Fact for Easton Hunt Capital Partners, L.P. pursuant to Power of Attorney previously filed.   02/25/2009
**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) Each share of Series A convertible preferred stock is convertible at any time, at the holder's election, into 1.01 shares of common stock and has no expiration date.
(2) Holders of approximately 68% of the outstanding preferred stock entered into an agreement with the Company whereby effective immediately prior to the effective time of the merger of the Company with Replidyne, Inc., all preferred stock will convert into shares of common stock. The warrants were issued pro rata to each preferred shareholder, based on the percentage of preferred stock held, in consideration for entering into such conversion agreement.

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