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Method of providing uniform flow from an infusion device

  • US 5,584,667 A
  • Filed: 06/06/1995
  • Issued: 12/17/1996
  • Est. Priority Date: 05/17/1988
  • Status: Expired due to Term
First Claim
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1. A method for pumping fluid through a tube at a uniform rate, comprising the steps of:

  • depressing a cam follower with a cam member, said cam follower squeezing said tube; and

    varying the cam rate so that the rate of tube depression by said follower offsets the changing cross section of the tube below said follower to achieve uniform fluid flow.

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