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Main pump tubing for arthroscopy infusion pump

  • US 5,520,638 A
  • Filed: 03/28/1995
  • Issued: 05/28/1996
  • Est. Priority Date: 03/28/1995
  • Status: Expired due to Term
First Claim
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1. An arthroscopy pump tubing set, comprising:

  • fluid supply tubing for introducing fluid from a fluid source into a patient'"'"'s body;

    a connector having first, second and third legs, the first and second legs being connected to the fluid supply tubing;

    a chamber having an inlet port and an outlet port, the inlet port being connected to the third leg of the connector so as to be in fluid contact with the fluid supply tubing, the chamber having a fixed volume; and

    a bladder contained within the chamber and covering the outlet port, the bladder sealing the outlet port of the chamber such that the chamber is in closed-ended connection with the fluid supply tubing, the bladder having a variable volume for holding air, the bladder volume being reduced in response to increased pressure within the chamber.

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