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Wearable drug delivery device

  • US 10,661,015 B2
  • Filed: 10/23/2017
  • Issued: 05/26/2020
  • Est. Priority Date: 10/31/2016
  • Status: Active Grant
First Claim
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1. A wearable drug delivery device comprising:

  • a handheld portion, including a proximal end, a distal end, and a longitudinal axis extending between the proximal and distal ends;

    a trigger portion in slidable engagement with the distal end of the handheld portion;

    a needle assembly disposed within the handheld portion and aligned with the longitudinal axis, the needle assembly being movable towards the distal end of the handheld portion to an extended position by a penetration spring when the penetration spring is activated by the trigger portion sliding towards the proximal end of the handheld portion;

    a drug vial disposed within the handheld portion alongside the needle assembly, the drug vial being moveable towards the distal end of the handheld portion to a seated position by a vial spring when the vial spring is activated by the trigger portion sliding towards the proximal end of the handheld portion;

    an integral drug delivery port formed at the distal end of the handheld portion and transverse to the longitudinal axis of the handheld portion, wherein the needle assembly in the extended position and the drug vial in the seated position are in fluid communication with each other by way of the integral drug delivery port;

    a rotator coupled to the drug vial, the rotator and the drug vial being urged towards the distal end of the handheld portion by the vial spring;

    a yoke extending from the distal end of the handheld portion towards the proximal end, the rotator rests on the yoke thereby resisting movement toward the distal end of the handheld portion and moving the drug vial to the seated position; and

    wherein the trigger portion includes a trigger blade extending from the trigger portion and through the distal end of the handheld portion, the trigger blade in slidable engagement with the rotator and configured to lift the rotator off the yolk and allow the rotator to move towards the distal end of the handheld portion and move the drug vial to the seated position when the trigger portion slides toward the proximal end of the handheld portion.

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