Heart valve replacement
First Claim
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1. A prosthetic heart valve comprising:
- a stent having an outer cross-sectional area, the stent radially expandable to an expanded, unstressed state; and
a plurality of leaflets, each leaflet comprisinga coaptation portion movable relative to respective coaptation portions of the other leaflets,an arcuate edge having a first end and a second end, the arcuate edge coupled to the stent, anda belly extending from the arcuate edge to an axis defined by the first and second ends of the arcuate edge, wherein the ratio of the surface area of the belly to the outer cross-sectional area of the stent in the expanded, unstressed state is about 0.09 to about 0.16.
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Abstract
A prosthetic heart valve includes a radially expandable stent and a plurality of leaflets. Each leaflet includes a coaptation portion, an arcuate edge, and a belly. The coaptation portion is movable relative to respective coaptation portions of the other leaflets. The arcuate edge has a first end and a second end and is coupled to the stent. The belly extends from the arcuate edge to an axis defined by the first and second ends of the arcuate edge, wherein the ratio of the surface area of the belly to the outer cross-sectional area of the expanded stent is about 0.09 to about 0.16.
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Citations
20 Claims
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1. A prosthetic heart valve comprising:
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a stent having an outer cross-sectional area, the stent radially expandable to an expanded, unstressed state; and a plurality of leaflets, each leaflet comprising a coaptation portion movable relative to respective coaptation portions of the other leaflets, an arcuate edge having a first end and a second end, the arcuate edge coupled to the stent, and a belly extending from the arcuate edge to an axis defined by the first and second ends of the arcuate edge, wherein the ratio of the surface area of the belly to the outer cross-sectional area of the stent in the expanded, unstressed state is about 0.09 to about 0.16. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification