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PORTABLE INFUSION PUMP

  • US 3,685,697 A
  • Filed: 01/17/1969
  • Issued: 08/22/1972
  • Est. Priority Date: 01/17/1969
  • Status: Expired due to Term
First Claim
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1. A small volume, positive pressure, self-contained, portable infusion pump comprising at least one fluid containing collapsible receptacle, fluid passage means in communication with said receptacle and adapted for body hookup, force applying means associated with said receptacle for collapsing said receptacle to move fluid from said receptacle into and through said fluid passage means, a constant force coil spring drivingly connected to said force applying means, a torque and timing motor, and a slip clutch drivingly connecting said torque and timing motor to said force applying means to regulate the rate at which fluid is moved from said receptacle.

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