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Infusion pump with integrated permanent magnet

  • US 8,197,235 B2
  • Filed: 02/18/2009
  • Issued: 06/12/2012
  • Est. Priority Date: 02/18/2009
  • Status: Active Grant
First Claim
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1. A device for pumping fluid from an upstream fluid source to a downstream patient, comprising:

  • a tubing disposed between said fluid source and said patient;

    a pumping element which uncompresses the tubing to draw fluid from the fluid source using a first predetermined force and compresses the tubing using a second predetermined force to pump fluid to the patient, wherein the motion of said pumping element changes in response to pressure changes in the tubing; and

    a sensor configured to sense occlusions both upstream and downstream from said device by sensing changes in the position of said pumping element.

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