Heart valve assemblies
First Claim
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1. A heart valve assembly comprising:
- a first prosthesis configured to expand from an unexpanded state to an expanded state at which the first prosthesis contacts native tissue of a body lumen;
a second valve prosthesis comprising a valve and having a multi-lobed circumference; and
a connection adapter attached to the second valve prosthesis and configured to secure the second valve prosthesis to the first prosthesis in vivo after implantation of the first prosthesis, the connection adapter having a longitudinally-extending segment with a multi-lobed circumference, wherein the multi-lobed circumference of the second valve prosthesis is received within the longitudinally-extending segment of the connection adapter with the multi-lobed circumference.
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Abstract
A heart valve assembly comprises a first prosthesis configured to expand from an unexpanded state to an expanded state at which the first annular prosthesis contacts native tissue of a body lumen. The heart valve assembly also comprises a second prosthesis comprising a valve, and a connection adapter that secures the second prosthesis to the first prosthesis, the connection adapter having a multi-lobed circumference.
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Citations
19 Claims
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1. A heart valve assembly comprising:
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a first prosthesis configured to expand from an unexpanded state to an expanded state at which the first prosthesis contacts native tissue of a body lumen; a second valve prosthesis comprising a valve and having a multi-lobed circumference; and a connection adapter attached to the second valve prosthesis and configured to secure the second valve prosthesis to the first prosthesis in vivo after implantation of the first prosthesis, the connection adapter having a longitudinally-extending segment with a multi-lobed circumference, wherein the multi-lobed circumference of the second valve prosthesis is received within the longitudinally-extending segment of the connection adapter with the multi-lobed circumference. - View Dependent Claims (2, 3, 4, 5, 6, 8, 9, 10)
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7. A heart valve assembly comprising:
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a first prosthesis configured to expand from an unexpanded state to an expanded state at which the first prosthesis contacts native tissue of a body lumen, wherein the first prosthesis comprises a first engagement element; a second valve prosthesis comprises a valve; and a connection adapter that secures the second valve prosthesis to the first prosthesis, the connection adapter having a multi-lobed circumference and comprising a second engagement element configured to couple to the first engagement element such that the connection adapter is secured to the first prosthesis, wherein the first engagement element comprises a lip and the second engagement element comprises a spring lock tab.
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11. A heart valve assembly comprising:
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a first prosthesis comprising an annular ring configured to expand from an unexpanded state to an expanded state at which a surface of the annular ring contacts tissue of a body lumen; a second valve prosthesis comprising a frame and a plurality of leaflets attached to the frame, wherein the frame has a multi-lobed circumference; and a connection adapter attached to the second valve prosthesis and configured to secure the second valve prosthesis to the first prosthesis in vivo after implantation of the first prosthesis, the connection adapter having a longitudinally-extending segment with a multi-lobed circumference, wherein the frame of the second valve prosthesis having the multi-lobed circumference engages with the longitudinally-extending segment of the connection adapter with the multi-lobed circumference. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A heart valve assembly comprising:
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a first prosthesis comprising an annular ring configured to expand from an unexpanded state to an expanded state at which a surface of the annular ring contacts tissue of a body lumen; a second valve prosthesis comprising a frame and a plurality of leaflets attached to the frame; and a connection adapter that secures the second valve prosthesis to the first prosthesis, the connection adapter having a multi-lobed circumference, wherein the connection adapter comprises an outwardly projecting circumferential ridge.
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Specification