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RESERVOIR PLUNGER POSITION MONITORING AND MEDICAL DEVICE INCORPORATING SAME

  • US 20170072140A1
  • Filed: 11/07/2016
  • Published: 03/16/2017
  • Est. Priority Date: 08/21/2012
  • Status: Active Grant
First Claim
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1. An infusion device, comprising:

  • a voided portion to receive a shaft portion including a displaceable shaft coupled to a plunger of a reservoir, the shaft portion comprising a protruding feature on the shaft; and

    a sensing arrangement proximate the voided portion to sense the protruding feature, wherein an electrical characteristic of the sensing arrangement is influenced by contact with the protruding feature.

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