Leaflet attachment for function in various shapes and sizes
First Claim
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1. A prosthetic heart valve, comprising:
- a collapsible and expandable stent having an inflow end and an outflow end, the stent including a plurality of commissure attachment features and a plurality of struts defining a plurality of cells, and the stent extending in a length direction from the inflow end to the outflow end; and
a collapsible and expandable valve assembly including a plurality of leaflets connected to the plurality of commissure attachment features;
each commissure attachment feature including a body having a proximal end, a distal end closer to the outflow end than the proximal end, and a plurality of eyelets including a selected eyelet having a first rectangular section with a first width in a circumferential direction of the stent and a second rectangular section with a second width in the circumferential direction of the stent smaller than the first width, the selected eyelet including a first interior edge coextensive with a first edge of the first rectangular section and a second interior edge coextensive with a second edge of the second rectangular section.
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Abstract
A prosthetic heart valve includes a collapsible and expandable stent and a plurality of commissure features disposed on the stent. A collapsible and expandable valve assembly includes a plurality of leaflets connected to the plurality of commissure features, each commissure feature including a body having a proximal end and a distal end. A plurality of eyelets is arranged in rows and columns on the body for distributing load from the plurality of leaflets.
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Citations
16 Claims
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1. A prosthetic heart valve, comprising:
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a collapsible and expandable stent having an inflow end and an outflow end, the stent including a plurality of commissure attachment features and a plurality of struts defining a plurality of cells, and the stent extending in a length direction from the inflow end to the outflow end; and a collapsible and expandable valve assembly including a plurality of leaflets connected to the plurality of commissure attachment features; each commissure attachment feature including a body having a proximal end, a distal end closer to the outflow end than the proximal end, and a plurality of eyelets including a selected eyelet having a first rectangular section with a first width in a circumferential direction of the stent and a second rectangular section with a second width in the circumferential direction of the stent smaller than the first width, the selected eyelet including a first interior edge coextensive with a first edge of the first rectangular section and a second interior edge coextensive with a second edge of the second rectangular section. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification