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Pressure tip cannula

  • US 6,162,182 A
  • Filed: 08/26/1998
  • Issued: 12/19/2000
  • Est. Priority Date: 08/26/1998
  • Status: Expired due to Fees
First Claim
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1. A cannula comprising:

  • a main body portion defining a fluid flow lumen extending therethrough;

    a pressure sensing chamber located in the main body portion and having an opening through the main body portion but isolated from the fluid flow lumen;

    a pressure sensor zero compensated to 36 degrees Centigrade disposed in the pressure sensing chamber; and

    a cover over the opening and the pressure sensor, the cover defining a groove therein in communication with the pressure sensor.

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