SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): February 11, 2009

Cardiovascular Systems, Inc.

(Exact name of Registrant as Specified in its Charter)

Minnesota
(State or Other Jurisdiction of Incorporation)


000-53478 (Commission File Number)		41-1698056 (IRS Employer Identification No.)

651 Campus Drive
St. Paul, Minnesota 55112-3495
(Address of Principal Executive Offices and Zip Code)

(651) 259-1600
(Registrant’s telephone number, including area code)

Not Applicable
(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o		Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o		Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o		Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o		Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

TABLE OF CONTENTS


	Item 2.02 Results of Operations and Financial Condition.
	Item 9.01 Financial Statements and Exhibits.
EXHIBIT INDEX
EX-99.1

Item 2.02 Results of Operations and Financial Condition.

On February 11, 2009, Cardiovascular Systems, Inc. issued a press release regarding the Company’s financial results for its second fiscal quarter ended December 31, 2008. A copy of the Company’s press release is attached hereto as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits


Exhibit Number		Description

99.1		Press Release dated February 11, 2009.

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: February 11, 2009


	CARDIOVASCULAR SYSTEMS, INC.
	By:	/s/ Laurence L. Betterley
		Laurence L. Betterley
		Chief Financial Officer

EXHIBIT INDEX


Exhibit Number		Description

99.1		Press Release dated February 11, 2009.

Table of Contents

Table of Contents

Table of Contents

Table of Contents

CARDIOVASCULAR SYSTEMS INC 8-K