Leaflet-Cuff Attachments for Prosthetic Heart Valve
First Claim
1. A prosthetic heart valve, comprising:
- a stent having a collapsed condition and an expanded condition, the stent having a proximal end, a distal end and a plurality of commissure features; and
a valve assembly secured to the stent, the valve assembly including a cuff and a plurality of leaflets, each of the leaflets having a free edge having a first end and a second end, and a second edge secured to the cuff, the second edge having a first end, a second end, a first folded portion adjacent the first end, a second folded portion adjacent the second end, and an unfolded portion between the first and second folded portions, the first and second folded portions coupling the leaflet to ones of the commissure features.
1 Assignment
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Accused Products
Abstract
A prosthetic heart valve includes a stent having a collapsed condition and an expanded condition, the stent having a proximal end, a distal end and a plurality of commissure features. The heart valve further includes a valve assembly secured to the stent, the valve assembly including a cuff and a plurality of leaflets, each of the leaflets having a free edge having a first end and a second end, and a second edge secured to the cuff, the second edge having a first end, a second end, a first folded portion adjacent the first end, a second folded portion adjacent the second end, and an unfolded portion between the first and second folded portions. The first and second folded portions couple the leaflet to ones of the commissure features.
13 Citations
20 Claims
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1. A prosthetic heart valve, comprising:
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a stent having a collapsed condition and an expanded condition, the stent having a proximal end, a distal end and a plurality of commissure features; and a valve assembly secured to the stent, the valve assembly including a cuff and a plurality of leaflets, each of the leaflets having a free edge having a first end and a second end, and a second edge secured to the cuff, the second edge having a first end, a second end, a first folded portion adjacent the first end, a second folded portion adjacent the second end, and an unfolded portion between the first and second folded portions, the first and second folded portions coupling the leaflet to ones of the commissure features. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A prosthetic valve assembly, comprising:
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a substantially cylindrical cuff; a plurality of leaflets disposed inside the cuff; a reverse-running stitch coupled to unfolded portions of each of the leaflets, the reverse-running stitch having an outer part disposed between the cuff and each of the leaflets and an inner part disposed on an opposite side of each of the leaflets; and a suture for coupling the cuff to each of the leaflets. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification