Multi-segmented graft deployment system
First Claim
Patent Images
1. A deployment catheter for deploying endoluminal vascular prosthesis having at least a main graft portion, and a first branch graft portion, comprising:
- an elongate, flexible catheter body having a proximal end and a distal end and comprising an outer sheath and an inner core that is axially moveable with respect to the outer sheath;
a main graft restraint comprising a main graft release mechanism comprising a plurality of axially spaced restraint members; and
a branch graft restraint comprising a branch graft release mechanism.
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Abstract
A deployment catheter for deploying endoluminal vascular prosthesis that has at least a main graft portion and a first branch graft portion includes an elongate, flexible catheter body having a proximal end and a distal end and comprising an outer sheath and an inner core that is axially moveable with respect to the outer sheath. The catheter includes a main graft restraint that has a main graft release mechanism comprising a plurality of axially spaced restraint members. The catheter further includes a branch graft restraint comprising a branch graft release mechanism.
228 Citations
39 Claims
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1. A deployment catheter for deploying endoluminal vascular prosthesis having at least a main graft portion, and a first branch graft portion, comprising:
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an elongate, flexible catheter body having a proximal end and a distal end and comprising an outer sheath and an inner core that is axially moveable with respect to the outer sheath; a main graft restraint comprising a main graft release mechanism comprising a plurality of axially spaced restraint members; and a branch graft restraint comprising a branch graft release mechanism. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A deployment catheter for deploying a an endoluminal vascular prosthesis stent having a main graft portion, and a first branch graft portion, comprising:
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a flexible outer tubular member, having a proximal end and a distal end; an intermediate tubular member slidably engaged with the outer tubular member, having a proximal end and a distal end; a central core slidably engaged with the intermediate tubular member, having a proximal end and a distal end, a flexible, conical tip mounted on the distal end a main graft restraint operatively engaged with the intermediate tubular member and the central core, configured such that proximal retraction of the intermediate tubular member relative to the central core will release the main graft restraint; wherein proximal retraction of the outer tubular member will release the first compressed branch graft portion. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A deployment catheter for deploying an endoluminal vascular prosthesis having a main graft portion, and a first branch portion, comprising
a flexible outer tubular member; -
a central core slidably engaged with the outer tubular member; a main graft portion disposed on the central core and constrained in a compressed state by an internal restraint having a first release mechanism; a compressed branch graft portion having a second release mechanism, the compressed branch graft portion constrained by the flexible outer tubular member; wherein the compressed branch graft portion is released by proximal traction of the outer tubular member; and wherein the first release mechanism is engaged by proximal traction. - View Dependent Claims (32, 33, 34)
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35. A method of deploying an endoluminal vascular prosthesis in a patients aortic artery comprising:
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advancing a deployment catheter containing an endoluminal vascular prosthesis comprising a compressed main graft portion, a compressed ipsilateral branch portion and a compressed contralateral branch portion, beyond a bifurcation in the aorta; retracting an outer sheath of the deployment catheter to expose the main graft portion and the contralateral branch portion of the prosthesis; proximally retracting release member to release a plurality of release mechanisms axially spaced along the main graft to release the main graft portion; and withdrawing the deployment catheter. - View Dependent Claims (36, 37, 38, 39)
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Specification