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Adhesive and peripheral systems and methods for medical devices

  • US 9,339,603 B2
  • Filed: 02/27/2009
  • Issued: 05/17/2016
  • Est. Priority Date: 02/09/2006
  • Status: Active Grant
First Claim
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1. A delivery device for delivering an infusion medium to a user, the device comprising:

  • a disposable housing assembly adapted to be secured to a user'"'"'s skin;

    a reusable housing assembly adapted to be secured to the disposable housing assembly, the reusable housing assembly comprising a volume sensing device, wherein the volume sensing device determines the volume of fluid delivered to the user;

    a reservoir having an interior for containing a fluidic medium, the reservoir having an outlet port and being operatively coupled to a pumping assembly to selectively drive fluid out the outlet port, from the reservoir interior; and

    a needle insertion device for inserting a cannula into the user'"'"'s skin, the needle insertion device comprising an introduction needle for movement between a retracted position and an extended position;

    wherein the disposable assembly has a passage through which the introduction needle extends, andwherein the cannula has a central passage through which the introduction needle extends.

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