Patent ID: 9655754
Date: 2017-05-23
CPC Classifications: A61F

Claim:
1. An endovascular delivery system, comprising: a bifurcated prosthesis comprising a main tubular body having an open end and opposed ipsilateral and contralateral legs defining a graft wall therein between, said ipsilateral and contralateral legs having open ends; an elongate outer tubular sheath having an open lumen and opposed proximal and distal ends with a medial portion therein between, the proximal end of the outer tubular sheath securably disposed to a first handle at a handle assembly; an elongate inner tubular member having a tubular wall with an open lumen and opposed proximal and distal ends with a proximal portion near the proximal end, a distal portion near the distal end and a medial portion therein between, the inner tubular member having a longitudinal length greater than a longitudinal length of the outer tubular sheath, the inner tubular member being slidably disposed within the open lumen of the outer tubular sheath, the proximal end of the inner tubular member securably disposed to a second handle at the handle assembly; wherein the bifurcated prosthesis is disposed at the distal portion of the elongate inner tubular member; and wherein the distal end of the outer tubular sheath being slidably disposed past and beyond the distal end of the inner tubular member to define a prosthesis delivery state and slidably retractable to the medial portion of the inner tubular member to define a prosthesis unsheathed state; an elongate guidewire slidably disposed within the outer tubular sheath and extending from the handle assembly, through the ipsilateral leg of the prosthesis and through the main tubular body of the prosthesis in the prosthesis delivery state; an elongate crossover guidewire slidably disposed within the outer tubular sheath and having a proximal portion extending from the handle assembly, a medial portion extending through the ipsilateral leg of the prosthesis and a distal portion extending through the contralateral leg of the main tubular body of the prosthesis in the prosthesis delivery state; and a crossover guidewire member having an open lumen extending over at least a portion of the medial portion of the elongate crossover guidewire and over at least a portion of the distal portion of the elongate crossover guidewire; wherein in the prosthesis delivery state the crossover guidewire member extends through the ipsilateral leg of the prosthesis and through the contralateral leg of the prosthesis; wherein a distal portion of the crossover guidewire member is releasably secured within the endovascular delivery system; wherein a medial portion of the crossover guidewire member is a tubular member and at least a portion of the distal portion of the crossover guidewire member near the medial portion of the crossover guidewire member is a tubular member; wherein the distal portion of the crossover guidewire member distal from the medial portion of the crossover guidewire member is a non-tubular member portion; whereby the distal portion of the elongate crossover guidewire is engageable with a catheter to facilitate delivery of a contralateral graft extension within a portion of the contralateral leg of the main tubular body of the prosthesis in the prosthesis unsheathed state upon proximally retracting the elongate crossover guidewire.