Prosthetic heart valve devices and methods of valve replacement
First Claim
1. A stented valve comprising:
- a stent frame comprising first and second end portions extending from an annular portion, wherein the first end portion is flared radially outwardly relative to the annular portion;
a prosthetic valve comprising first and second leaflets attached within an interior area of the annular portion, the first and second leaflets each comprising a body portion between a fixed leaflet edge portion and a free edge, the first and second leaflets being movable between an open position and a closed position, the first leaflet and the second leaflet coapting at the closed position; and
a first chord attached to the body portion of the first leaflet and the first end portion of the stent frame, the first chord being arranged to prevent prolapse of the first leaflet.
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Accused Products
Abstract
A stented valve having at least one leaflet made of pericardium or other material having a relatively thin profile at the annulus. The leaflets are attached via chords to a stent frame, where the chords are positioned to mimic the native valve anatomy and functionality. In particular, the valves of one exemplary embodiment of the invention are sized to replace a mitral valve and therefore the chords are arranged to prevent prolapse of the leaflets into the atrium. The stented valve has a relatively short height at its annulus due to the positioning of the chords. In addition, the stented valve is capable of being crimped to a small enough size that it can be delivered to the implantation site via transcatheter delivery systems and methods.
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Citations
15 Claims
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1. A stented valve comprising:
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a stent frame comprising first and second end portions extending from an annular portion, wherein the first end portion is flared radially outwardly relative to the annular portion; a prosthetic valve comprising first and second leaflets attached within an interior area of the annular portion, the first and second leaflets each comprising a body portion between a fixed leaflet edge portion and a free edge, the first and second leaflets being movable between an open position and a closed position, the first leaflet and the second leaflet coapting at the closed position; and a first chord attached to the body portion of the first leaflet and the first end portion of the stent frame, the first chord being arranged to prevent prolapse of the first leaflet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification