Item 1.02    Termination of a Material Definitive Agreement.

           On February 2, 2007, the Registrant announced that it had given notice to Respironics Inc., its supplier of anesthesia face masks, that it will not be renewing its current manufacturing agreement when it expires in the summer of 2007.

Item 8.01    Other Events.

           On February 2, 2007, the Registrant announced that it had given notice to Respironics Inc., its supplier of anesthesia face masks, that it will not be renewing its current manufacturing agreement when it expires in the summer of 2007. The Registrant has entered into a new face mask supply agreement with a Chinese medical device manufacturer at a cost below the renewal terms offered by Respironics. A copy of the press release is attached to this Report.

Item 9.01    Financial Statements and Exhibits.

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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.

Dated: February 5, 2007

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EXHIBIT INDEX

Exhibit 99.1       Press release, dated February 2, 2007

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