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) April 1, 2005

IMPAC Medical Systems, Inc.

(Exact name of registrant as specified in its charter)

Delaware	000-50082	94-3109238
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

100 West Evelyn Avenue, Mountain View, CA	94041
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code (650) 623-8800

(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 (See General Instruction A.2. below):

¨ Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

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

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

¨ Pre-commencement communication pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240. 13e-4(c))

Item 8.01. Other Events.

On April 1, 2005, IMPAC Medical Systems, Inc. (the “Company”) issued a press release announcing the expiration of the waiting period of its premerger notification previously filed with the Department of Justice and the Federal Trade Commission. A copy of the press release is attached as Exhibit 99.1.

Item 9.01. Financial Statements and Exhibits.

(c) Exhibits.

99.1    IMPAC Medical Systems, Inc. Press Release dated April 1, 2005.

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SIGNATURES

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.

IMPAC MEDICAL SYSTEMS, INC.
By:	/s/ Kendra A. Borrego
	Kendra A. Borrego Chief Financial Officer

Date: April 1, 2005

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EXHIBIT INDEX

Exhibit No.	Description
99.1	IMPAC Medical Systems, Inc. Press Release dated April 1, 2005.