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Twin bifurcated stent graft

  • US 10,143,576 B2
  • Filed: 07/17/2017
  • Issued: 12/04/2018
  • Est. Priority Date: 04/19/2006
  • Status: Active Grant
First Claim
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1. A stent graft delivery system for delivering a stent graft to a body vessel of a patient comprising:

  • a first delivery device having an inner cannula configured to receive a first guidewire in a lumen of the inner cannula, a nose cone extending from the inner cannula at a delivery end of the delivery device, a stent graft disposed over the inner cannula adjacent to the nose cone, and a retractable sheath disposed over the stent graft;

    wherein the stent graft has a tubular body of a biocompatible graft material having a main lumen, a bifurcation in the tubular body at one end and a first leg and a second leg extending from the bifurcation, the first and second legs having respective first and second lumens and the first and second lumens being in fluid communication with the main lumen;

    wherein the first leg has a sidewall, a first fenestration in the side wall, a side arm attached to the sidewall and extending from the fenestration to define a side arm lumen in fluid communication with the first leg, a valved fenestration in the sidewall circumferentially spaced from the first fenestration, a valve to prevent fluid flow the valved fenestration from inside of the first leg to outside of the first leg, and an indwelling catheter disposed at least partially in and extending through the lumen of the side arm and out of the valved fenestration and along a length of the stent graft to the nose cone; and

    wherein all portions of the stent graft, with the indwelling catheter, are disposed as a single over the inner cannula and within the sheath of the single delivery device prior to delivery to the patient.

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