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 			 March 8, 1996 	(Date of Report; Date of Earliest Event Reported) 			 Infrasonics, Inc. 	(Exact name of registrant as specified in its charter) 			 California 	(State or other jurisdiction of incorporation) 0-12998 95-3797283 (Commission File Number) (IRS Employer Identification No.) 3911 Sorrento Valley Blvd., San Diego, California 92121 (Address of principal executive offices) (Zip Code) 			 (619) 450-9898 	(Registrant's telephone number, including area code) 			 Page 1 of 7 pages. 		 Exhibit Index appears on Page 4 		INFORMATION TO BE INCLUDED IN THE REPORT Item 5. Other Events. On March 8, 1996, Infrasonics, Inc. ("Infrasonics") entered into an Agreement and Plan of Merger (the "Merger Agreement") with Nellcor Puritan Bennett Incorporated ("NPB"), a Delaware corporation, whereby Infrasonics will be merged with and into NPB (the "Merger"). Subject to the terms and conditions of the Merger Agreement (including, without limitation, approval by the shareholders of Infrasonics) upon the effective time of the Merger, each outstanding share of common stock of Infrasonics will be converted into the right to receive .095 shares of common stock of NPB, with adjustments based on the trading value of NPB's common stock so that the value of the consideration received by Infrasonics shareholders will not be less than $6.25 per share. A copy of the press release announcing the execution of the Agreement and Plan of Merger is attached as Exhibit 99.1 and is incorporated herein by reference. Item 7. Financial Statements and Exhibits. 	(c) Exhibits: Exhibit No. Description 99.1 Press Release dated March 11, 1996 announcing 			 the execution of the Agreement and Plan of 			 Merger, dated as of March 9, 1996, between NPB 			 and Infrasonics. 	 	 				 SIGNATURE 	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. 			 INFRASONICS, INC. Date: March 13, 1996 By: /s/ Frederick C. McGee 					 Frederick C. McGee 					 Vice President and Chief Financial 					 Officer 				 EXHIBIT INDEX 	Exhibit No. Description Page No. 	 	 99.1 Press Release dated 5 			 March 11, 1996 			 announcing the execution 			 of the Agreement and Plan 			 of Merger, dated as of 			 March 9, 1996, between 			 NPB and Infrasonics.