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Infusion pump, treatment fluid bag therefor, and method for the use thereof

  • US 5,308,335 A
  • Filed: 11/02/1992
  • Issued: 05/03/1994
  • Est. Priority Date: 06/25/1991
  • Status: Expired due to Term
First Claim
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1. A collapsible fluid treatment bag useful in a infusion pump comprising:

  • said collapsible treatment fluid bag;

    an inflatable bladder juxtaposed with said treatment fluid bag;

    means to vent said bladder;

    means for impinging said bladder against said treatment fluid bag as said bladder is inflated;

    means for electronically controlling the pressure of said bladder so as to collapse said treatment fluid bag and controllably expel treatment fluid therefrom; and

    an outlet tube in fluid communication with said treatment fluid bag and said patient;

    wherein said collapsible fluid treatment bag comprises;

    an attached extension set; and

    activator means capable of interacting with the means for electronically controlling the pressure of said bladder so as to enable said means for electronically controlling the pressure of said bladder to operate;

    wherein said means for electronically controlling the pressure of said bladder is disabled in the absence of the activator means of said fluid treatment bag.

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