Transcatheter delivery of a replacement heart valve
First Claim
Patent Images
1. A replacement heart valve apparatus comprising:
- a body defining a lumen;
a plurality of curved wire pairs attached to the body, each curved wire pair comprising an inner curved wire and an outer curved wire, wherein the outer curved wire extends substantially parallel to the inner curved wire; and
a plurality of leaflets, each leaflet comprising a leaflet body and one or more leaflet projections, wherein each leaflet is positioned such thatthe leaflet body is located within the lumen of the body,the portion of the leaflet body nearest the one or more leaflet projections is pulled away from the lumen of the body over a respective outer curved wire and toward a respective inner curved wire to positionthe one or more leaflet projections such that they are extended toward the lumen of the body and curved over the respective inner curved wire, andeach of the one or more leaflet projections is attached to itself.
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Abstract
A replacement heart valve apparatus. The heart valve apparatus includes a stent and a valve frame having a substantially cylindrical body defining a lumen. The valve frame includes a plurality of curved wire pairs attached to the substantially cylindrical body. Each curved wire pair includes an inner curved wire and an outer curved wire. The wire frame further having a plurality of leaflets. Each leaflet is attached to a respective inner curved wire and extends over a respective outer curved wire, so as to position the body of the leaflet within the lumen of the valve frame.
287 Citations
28 Claims
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1. A replacement heart valve apparatus comprising:
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a body defining a lumen; a plurality of curved wire pairs attached to the body, each curved wire pair comprising an inner curved wire and an outer curved wire, wherein the outer curved wire extends substantially parallel to the inner curved wire; and a plurality of leaflets, each leaflet comprising a leaflet body and one or more leaflet projections, wherein each leaflet is positioned such that the leaflet body is located within the lumen of the body, the portion of the leaflet body nearest the one or more leaflet projections is pulled away from the lumen of the body over a respective outer curved wire and toward a respective inner curved wire to position the one or more leaflet projections such that they are extended toward the lumen of the body and curved over the respective inner curved wire, and each of the one or more leaflet projections is attached to itself. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A replacement heart valve apparatus comprising:
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a body defining a lumen; a plurality of curved wire pairs attached to the body, each curved wire pair comprising an inner curved wire and an outer curved wire, wherein the inner curved wire and the outer curved wire are separate from each other by a space that is substantially constant; and a plurality of leaflets, each leaflet comprising a leaflet body and one or more leaflet projections, wherein each leaflet is positioned such that the leaflet body is located within the lumen of the body, the portion of the leaflet body nearest the one or more leaflet projections is pulled away from the lumen of the body over a respective outer curved wire and toward a respective inner curved wire to position the one or more leaflet projections such that they are extended toward the lumen of the body and-curved over the respective inner curved wire, and each of the one or more leaflet projections is attached to itself. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A replacement heart valve apparatus comprising:
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a body defining a lumen, wherein one end of the body has a serpentine edge; a plurality of curved wire pairs attached to the body, each curved wire pair comprising an inner curved wire and an outer curved wire, wherein the outer curved wire extends substantially parallel to the inner curved wire, each end of the inner curved wire is attached to a vertex of the serpentine edge, and each end of the outer curved wire is attached to a trough of the serpentine edge, wherein the serpentine edge of the body is constructed and arranged such that, in use, each vertex points to a direction opposite blood flow and each trough points to the direction of blood flow; and a plurality of leaflets, each leaflet comprising a leaflet body and one or more leaflet projections, wherein the one or more leaflet projections are curved over a respective inner wire and attached to itself, and the leaflet body extends over a respective outer curved wire. - View Dependent Claims (20, 21, 22, 23)
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24. A replacement heart valve apparatus comprising:
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a body defining a lumen, wherein one end of the body has a serpentine edge; a plurality of curved wire pairs attached to the body, each curved wire pair comprising an inner curved wire and an outer curved wire, wherein the inner curved wire and the outer curved wire are separate from each other by a space that is substantially constant, each end of the inner curved wire is attached to a trough of the serpentine edge, and each end of the outer curved wire is attached to a vertex of the serpentine edge, wherein the serpentine edge of the body is constructed and arranged such that, in use, each vertex points to a direction opposite blood flow and each trough points to the direction of blood flow; and a plurality of leaflets, each leaflet comprising a leaflet body and one or more leaflet projections, wherein the one or more leaflet projections are curved over a respective inner wire and attached to itself, and the leaflet body extends over a respective outer curved wire. - View Dependent Claims (25, 26, 27, 28)
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Specification