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Patch-sized fluid delivery systems and methods

  • US 9,017,286 B2
  • Filed: 09/30/2013
  • Issued: 04/28/2015
  • Est. Priority Date: 02/09/2006
  • Status: Active Grant
First Claim
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1. Apparatus comprising:

  • a housing comprising a reusable portion and a disposable portion wherein;

    the disposable portion comprising a substrate having flexible membrane material thereon and incorporating therein a fluid channel, the fluid channel being part of a fluid path in the disposable portion from a reservoir port to a cannula port and comprising a series of regions exposed to the flexible membrane material, at least one of such regions being a valve region; and

    the reusable portion comprising a control assembly having a mechanical assembly that interacts mechanically with the regions through the membrane material in such a manner as to achieve pumping of fluid along the fluid path, the mechanical assembly including a valve actuator operating on the valve region.

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