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Dispensing fluid from an infusion pump system

  • US 20070073236A1
  • Filed: 09/18/2006
  • Published: 03/29/2007
  • Est. Priority Date: 09/26/2005
  • Status: Active Grant
First Claim
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1. An infusion pump system for the delivery of medication, comprising:

  • a pump housing defining a space to receive a medicine for dispensation; and

    a drive system to dispense medicine when the medicine is received by the pump housing, the drive system including a pushrod that is movable to apply a dispensing force to dispense medicine, the pushrod including rod segments, each rod segment being interconnected to the next rod segment by a hinge portion so that at least a portion of the pushrod is adjustable from a curved shape to a generally noncurved shape, the pushrod including an anti-rotation mechanism to oppose rotation of the pushrod about a longitudinal axis of the pushrod, and the pushrod including an anti-torsion mechanism to oppose torsion of one rod segment relative to another rod segment.

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