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Design and Manufacture of Nonelectronic, Active-Infusion Patch and Device for Transdermal Delivery Across Skin

  • US 20150238433A1
  • Filed: 09/23/2013
  • Published: 08/27/2015
  • Est. Priority Date: 10/01/2012
  • Status: Active Grant
First Claim
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1. A transdermal patch device comprising:

  • a body piece having a proximal side and a distal side;

    an activator access in the body piece;

    an actuator compartment within the body piece and operably connected with the activator access;

    a drug reservoir at a proximal side of the body piece, a distal side of the drug reservoir adjacent a proximal side of the actuator compartment; and

    a transdermal drug delivery zone at a proximal side of the drug reservoir;

    wherein in an initial, pre-activated state, actuator within the actuator compartment is isolated from an activator;

    wherein, upon initiation by a user, an activator transits through the activator access into the actuator compartment and contacts the actuator, causing the actuator to swell, whereby the actuator expands in a proximal direction and thereby transmits force to the distal side of the drug reservoir, whereby a drug in the drug reservoir is forced through the transdermal drug delivery zone and out of the device.

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