VASCULAR IMPLANTS AND METHODS OF FABRICATING THE SAME
First Claim
Patent Images
1. An implantable stent for use in a vessel or tubular structure, comprising:
- a structure having a pattern of interconnected cells where the size of the cells varies along a length of the structure.
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Abstract
The present invention is directed to vascular implants and methods for fabricating the same. The implantable devices include but are not limited to stents, grafts and stent grafts. In many embodiments, the devices include one or more side branch lumens interconnected with the main lumen.
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Citations
20 Claims
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1. An implantable stent for use in a vessel or tubular structure, comprising:
a structure having a pattern of interconnected cells where the size of the cells varies along a length of the structure. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of fabricating a tubular graft, the method comprising:
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providing a sheet of graft material having a woven or knitted pattern; stretching the sheet along an axis at an angle to the pattern; cutting at least one piece of material having dimensions corresponding to those of a tubular graft to be formed, wherein the cut material has a pre-stretched condition. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification