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Transdermal Fluid Delivery Device

  • US 20120109065A1
  • Filed: 10/18/2011
  • Published: 05/03/2012
  • Est. Priority Date: 11/03/2010
  • Status: Active Grant
First Claim
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1. A transdermal fluid delivery device positionable on a patient'"'"'s epidermis for delivering fluid into the patient'"'"'s bloodstream, comprising:

  • a housing defining a longitudinal axis and having a proximal end and a distal end, the housing defining a passageway extending longitudinally therethrough;

    a fluid reservoir positionable within the passageway of the housing, the fluid reservoir adapted for retaining a fluid therein;

    a base member positioned at the distal end of the housing; and

    a microneedle assembly coupled to the fluid reservoir, the microneedle assembly including a plurality of microneedles extending distally therefrom, each microneedle including a lumen defined therethrough in communication with the fluid reservoir, the microneedle assembly selectively moveable with respect to the housing between a retracted position, wherein the microneedles are disposed within the base member, and an extended position, wherein the microneedles are advanced distally to penetrate the base member and extend distally therefrom for puncturing the patient'"'"'s epidermis and delivering the fluid into the patient'"'"'s bloodstream.

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