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Surgical cassette having an aspiration pressure sensor

  • US 6,962,488 B2
  • Filed: 04/04/2003
  • Issued: 11/08/2005
  • Est. Priority Date: 11/10/1999
  • Status: Expired due to Term
First Claim
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1. A cassette, comprising:

  • a) a body having an exterior;

    b) a relatively flexible sheet attached to the body, the sheet containing at least one molded fluid channel, the fluid channel projecting outwardly from the exterior of the body;

    c) an aspiration pressure sensor interface on the exterior of the body, the interface having a well, the well having an outlet;

    d) a first aspiration exit port in the well, the aspiration exit port being located above a bottom of the well; and

    e) at least one vent port in the pressure sensor well, the vent port providing a second aspiration exit port into the well.

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