SINGLE-PIECE ENDOPROSTHESIS WITH HIGH EXPANSION RATIOS AND ATRAUMATIC ENDS
First Claim
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1. A prosthesis, comprising:
- a plurality of cells, each cell having a bottom end and a top end;
a flattened bulbous tail at the bottom end of at least more than one of the cells; and
an apex at the top end of each cell, the apex having a smaller surface area than the flattened bulbous tail.
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Abstract
A new endoluminal prosthesis for use in sealing a vascular graft to corporeal lumen provides for a flattened bulbous tail at the end of each cell of the prosthesis. The flattened bulbous tails reduce the amount of wear between the prosthesis and the softer material of the vascular grafts or corporeal lumen walls. A method of manufacturing a stent from a flat sheet of material is also included.
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Citations
16 Claims
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1. A prosthesis, comprising:
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a plurality of cells, each cell having a bottom end and a top end; a flattened bulbous tail at the bottom end of at least more than one of the cells; and an apex at the top end of each cell, the apex having a smaller surface area than the flattened bulbous tail. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A prosthesis, comprising:
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a plurality of cells, each cell having a bottom end and a top end; a flattened bulbous tail at the bottom end of each cell, wherein adjacent flattened bulbous tails are staggered longitudinally and each flattened bulbous tail contours into the body of the prosthesis; and an apex at the top end of each cell, each apex having a smaller surface area than the flattened bulbous tails. - View Dependent Claims (8, 9)
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10. A vascular graft assembly, comprising:
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a tubular graft having a first end region and a second end region; at least one prosthesis having, a plurality of cells, each cell having a bottom end and a top end, a flattened bulbous tail at the bottom end of at least more than one of the cells, and an apex at the top end of each cell, each apex having a smaller surface area than the flattened bulbous tails; and the at least one prosthesis being located at the first end region of the graft with the bottom end of each cell of the prosthesis positioned inside the tubular graft and the top end of each cell of the prosthesis positioned beyond the first end region and external the tubular graft. - View Dependent Claims (11, 12, 13, 14, 15)
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16-32. -32. (canceled)
Specification