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Programmable infusion pump

  • US 4,741,736 A
  • Filed: 12/10/1986
  • Issued: 05/03/1988
  • Est. Priority Date: 12/10/1986
  • Status: Expired due to Term
First Claim
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1. A multiple fluid cartridge assembly comprising:

  • a housing;

    a plurality of flexible compartments for containing fluids, each compartment having an outlet through which said fluids are expelled;

    a pressure roller movable within said housing to compress said plurality of flexible compartments, said pressure roller including engagement means extending from said housing;

    a plurality of access tubes, each tube connected to the outlet of one of said compartment;

    a multiple port connector, each port being connected to one of said access tubes; and

    flow restrictor means for adjustably compressing said plurality of access tubes to regulate the flow of fluid therethrough, said flow restrictor means including;

    a compression member for contacting and pressing against said access tubes;

    a spring located adjacent said compression member so that said spring may exert force against said compression member;

    a rotatable threaded cylindrical member; and

    a non-rotating member having a threaded hole engaged by said cylindrical member, said non-rotating member being adjacent said spring opposite said compression member so that rotation of said cylindrical member adjusts the force exerted by said non-rotating member on said spring and consequently adjusting the force exerted by said spring on said compression member.

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