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Stent deployment device and methods for use

  • US 9,095,465 B2
  • Filed: 08/23/2013
  • Issued: 08/04/2015
  • Est. Priority Date: 12/20/2012
  • Status: Active Grant
First Claim
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1. A stent deployment device, comprising:

  • an outer sheath, wherein the outer sheath has a proximal end and a distal end, wherein a portion of the outer sheath defines a central core;

    a pull apparatus at least partially disposed within the outer sheath, wherein a portion of the pull apparatus is sized and shaped to receive a stent or a stent graft, wherein a proximal end of the pull apparatus comprises a pull ribbon that transitions to a pull shaft and the pull shaft then transitions to a pull tube at a distal end of the pull apparatus;

    a push apparatus, wherein a proximal end of the push apparatus comprises a push ribbon that transitions to a push shaft at a distal end of the push apparatus, wherein a portion of the push shaft is disposed within the pull tube, wherein the push shaft defines a central core, wherein the pull shaft defines both a central core and a channel in which the push ribbon is disposed, and wherein the central core of the outer sheath, the central core of the pull shaft and the central core of the push shaft are all aligned in series and configured to receive a guidewire; and

    a push-pull drive mechanism in mechanical communication with the pull apparatus and the push apparatus, wherein the push-pull drive mechanism comprises a pull reel and a push reel, wherein the pull reel is directly coupled to the pull ribbon such that at least a portion of the pull ribbon is configured to wrap around the pull reel, and wherein the push reel is directly coupled to the push ribbon such that at least a portion of the push ribbon is configured to wrap around the push reel.

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