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Medical pressure relief valve

  • US 5,556,386 A
  • Filed: 04/03/1995
  • Issued: 09/17/1996
  • Est. Priority Date: 04/03/1995
  • Status: Expired due to Term
First Claim
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1. A pressure relief valve for preventing overpressure conditions in medical fluid delivery circuits utilizing positive pressure pumping, comprising;

  • a valve body member, said valve body member includingfirst and second connector elements for use in connecting the pressure relief valve into a medical fluid delivery circuit,first and second bores, said bores passing through the first and second connector elements, respectively, and exiting at respective first and second exit ports on the side of the valve body member, anda valve seat, said valve seat comprising a raised ridge element on the valve body member between said first and second exit ports; and

    a tubular valve member formed from an elastic material, said tubing valve member being placed in elastic tension in sealing engagement over the valve body member so as to cover the first and second exit ports and the valve seat.

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