LEAFLET IN CONFIGURATION FOR FUNCTION IN VARIOUS SHAPES AND SIZES
1 Assignment
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Accused Products
Abstract
A prosthetic heart valve includes a collapsible and expandable stent having a proximal end, a distal end, an annulus section adjacent the proximal end and an aortic section adjacent the distal end. The heart valve further includes a plurality of commissure features disposed on the stent, and a collapsible and expandable valve assembly, the valve assembly including a plurality of leaflets connected to the plurality of commissure features, each of the plurality of leaflets having a free edge and being configured to have a tension line aligned near the free edge to prevent backflow.
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Citations
21 Claims
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1. (canceled)
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2. A prosthetic heart valve, comprising:
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a collapsible and expandable stent having a proximal end, a distal end, an annulus section adjacent the proximal end, an aortic section adjacent the distal end, and a plurality of commissure features disposed on the stent; a collapsible and expandable valve assembly, the valve assembly including a plurality of leaflets connected to the plurality of commissure features, each of the plurality of leaflets having a free edge adapted to coapt with free edges of adjacent leaflets, and an attachment portion opposite the free edge; a reinforcement formed of at least one of a cord, a wire and a strip of fabric, the reinforcement being coupled to the attachment portion of each of the plurality of leaflets; and a first suture pattern coupling the reinforcement to the attachment portion. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of forming a prosthetic heart valve, comprising:
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providing a collapsible and expandable stent having a proximal end, a distal end, an annulus section adjacent the proximal end, an aortic section adjacent the distal end, and a plurality of commissure features; providing a collapsible and expandable valve assembly, the valve assembly including a plurality of leaflets connected to the plurality of commissure features, each of the plurality of leaflets having a free edge adapted to coapt with free edges of adjacent leaflets, and an attachment portion opposite the free edge; providing a reinforcement formed of at least one of a cord, a wire and a strip of fabric; and coupling the reinforcement to the attachment portion of one leaflet using a first suture pattern. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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Specification