Dual concentric guidewire and methods of bifurcated graft deployment
First Claim
1. A self-expandable endoluminal vascular prosthesis deployment system, comprising:
- an endoluminal vascular prosthesis having at least a main graft portion having a lumen therethrough and a first branch graft portion having a lumen therethrough;
a deployment catheter having a catheter body for deploying the endoluminal vascular prosthesis, said deployment catheter having a central tubular core having a guidewire lumen extending therethrough, and distal and proximal ends, wherein said first branch graft portion is constrained within a branch graft restraint member comprising a tubular sheath prior to deployment;
a contralateral guidewire extending through the first branch graft portion and the branch graft restraint member in a predeployment state; and
an inner core member slidably positionable within said contralateral guidewire;
wherein;
said contralateral guidewire comprises a hollow guidewire securely connected to said branch graft restraint member such that movement of the hollow guidewire and branch graft restraint member connected thereto away from the main graft portion simultaneously moves the branch graft restraint member away from the main graft portion and releases said first branch graft portion from said branch graft restraint member;
the hollow guidewire comprises a distal end portion that extends through the lumen of the first branch graft portion and substantially into the lumen of the main graft portion in a predeployment state; and
the hollow guidewire has a substantially uniform cross-sectional size and shape along an entire the length thereof, and has a proximal end portion that is advanceable through a patient'"'"'s vasculature.
9 Assignments
0 Petitions
Accused Products
Abstract
A guidewire assembly for use in deploying a bifurcated endoluminal vascular prosthesis that has a main graft portion and at least a first branch graft portion The guidewire assembly include a hollow guidewire sheath having a restraint mechanism, such as a tubular sheath, for constraining a branch graft portion of the vascular prosthesis and an inner core wire that is slidably insertable into a central lumen of the hollow guidewire sheath. In use, the guidewire assembly may be used with a deployment catheter to deploy the bifurcated vascular prosthesis and leave the inner core wire in position in the patient'"'"'s aorta, extending through the main graft portion of the vascular prosthesis.
437 Citations
22 Claims
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1. A self-expandable endoluminal vascular prosthesis deployment system, comprising:
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an endoluminal vascular prosthesis having at least a main graft portion having a lumen therethrough and a first branch graft portion having a lumen therethrough; a deployment catheter having a catheter body for deploying the endoluminal vascular prosthesis, said deployment catheter having a central tubular core having a guidewire lumen extending therethrough, and distal and proximal ends, wherein said first branch graft portion is constrained within a branch graft restraint member comprising a tubular sheath prior to deployment; a contralateral guidewire extending through the first branch graft portion and the branch graft restraint member in a predeployment state; and an inner core member slidably positionable within said contralateral guidewire; wherein; said contralateral guidewire comprises a hollow guidewire securely connected to said branch graft restraint member such that movement of the hollow guidewire and branch graft restraint member connected thereto away from the main graft portion simultaneously moves the branch graft restraint member away from the main graft portion and releases said first branch graft portion from said branch graft restraint member; the hollow guidewire comprises a distal end portion that extends through the lumen of the first branch graft portion and substantially into the lumen of the main graft portion in a predeployment state; and the hollow guidewire has a substantially uniform cross-sectional size and shape along an entire the length thereof, and has a proximal end portion that is advanceable through a patient'"'"'s vasculature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A self-expandable endoluminal vascular prosthesis deployment system, comprising:
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an endoluminal vascular prosthesis having at least a main graft portion having a lumen therethrough and a first branch graft portion having a lumen therethrough; a deployment catheter having a catheter body for deploying the endoluminal vascular prosthesis, said deployment catheter having a central tubular core having a guidewire lumen extending therethrough, and distal and proximal ends, wherein said first branch graft portion is constrained within a branch graft restraint member comprising a tubular sheath prior to deployment; a contralateral guidewire extending through the first branch graft portion and the branch graft restraint tubular sheath in a predeployment state; and an inner core member slidably positionable within said contralateral guidewire; wherein; said contralateral guidewire comprises a hollow guidewire securely connected to said branch graft restraint member such that movement of the hollow guidewire and branch graft restraint connected thereto away from the main graft portion simultaneously moves the branch graft restraint member away from the main graft portion and releases said branch graft from said branch graft restraint member; the hollow guidewire comprises a distal end portion that extends through the lumen of the first branch graft portion and substantially into the lumen of the main graft portion in a predeployment state; and a proximal end portion of the hollow guidewire is sized and configured to be advanceable through a first puncture site in the body and withdrawn through a second puncture site. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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Specification