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Insulin pump dermal infusion set having partially integrated mechanized cannula insertion with disposable activation portion

  • US 9,878,110 B2
  • Filed: 06/30/2014
  • Issued: 01/30/2018
  • Est. Priority Date: 11/30/2010
  • Status: Active Grant
First Claim
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1. An infusion device that can insert an infusion needle at a controlled rate of speed to a depth to deliver medicament to the upper 3 mm of skin surface, comprising:

  • an infusion device base, comprising at least one adhesive layer for releasably securing said infusion device base with said skin surface; and

    an inserter, wherein said inserter comprises an activation subassembly releasably secured to said infusion device base that is configured to release at least a user contact element and a driving spring from said infusion device base upon completed activation, and leave at least a needle with said infusion device base upon completed activation;

    wherein said user contact element comprises;

    a pushable handle, releasably coupled with said infusion device base and configured to release said driving spring of said inserter to insert said needle when pushed toward said skin surface, and further configured to release from said infusion device base when pushed further toward said skin surface.

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