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Sterile fluid pump diaphragm construction

  • US 5,476,368 A
  • Filed: 02/15/1994
  • Issued: 12/19/1995
  • Est. Priority Date: 08/20/1992
  • Status: Expired due to Fees
First Claim
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1. A fluid pumping cartridge for particular use in delivery of sterile fluid for surgical procedures comprising:

  • a cartridge housing adapted for connection to and disconnection from a pump control structure;

    a pump diaphragm within said cartridge housing, arranged for pumping sterile fluid therethrough;

    and a separate, control diaphragm within said cartridge which is capable of resiliently oscillating and absorbing fluid flow pulses driven by said pump diaphragm in order to produce modulated flow of said sterile fluid from said cartridge.

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