Stent devices and support/restrictor assemblies for use in conjunction with prosthetic vascular grafts
First Claim
Patent Images
1. A vascular implant prosthesis, comprising:
- a) an exovascular stent comprising;
a generally elongate cylindrical body, a first end, a second end, and a hollow bore extending longitudinally therethrough;
a first flange extending perpendicularly about the first end of the stent body;
a second flange extending perpendicularly about the second end of the stent body;
a plurality of apertures formed in the stent body to permit flow of fluid therethrough;
b) a bioprosthetic vascular graft comprising a segment of mammalian blood vessel which has been treated with a chemical fixative known to cross link collagen, said bioprosthetic vascular graft being positioned coaxially within the bore of the stent body and affixed to the first and second end flanges of the stent.
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Abstract
Exovascular and endovascular stent devices and associated support/restrictor assemblies for use in conjunction with prosthetic vascular grafts, including venous valve grafts made from preserved bioprosthetic venous valves. Also disclosed are methods for preparing vascular grafts such as venous valve grafts using the devices and assemblies of the present invention.
794 Citations
8 Claims
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1. A vascular implant prosthesis, comprising:
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a) an exovascular stent comprising; a generally elongate cylindrical body, a first end, a second end, and a hollow bore extending longitudinally therethrough; a first flange extending perpendicularly about the first end of the stent body; a second flange extending perpendicularly about the second end of the stent body; a plurality of apertures formed in the stent body to permit flow of fluid therethrough; b) a bioprosthetic vascular graft comprising a segment of mammalian blood vessel which has been treated with a chemical fixative known to cross link collagen, said bioprosthetic vascular graft being positioned coaxially within the bore of the stent body and affixed to the first and second end flanges of the stent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification