Device, system, and method for transcatheter treatment of valvular regurgitation
First Claim
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1. A coaptation assistance element for treating mal-coaptation of a heart valve, the heart valve having an annulus, the coaptation assistance element comprising:
- a first surface and an opposed second surface, each surface bounded by a first lateral edge, a second lateral edge, an inferior edge, and a superior edge;
a hub; and
a plurality of struts spaced around the hub and extending outward from the hub, the plurality of struts comprising at least a first strut configured to be implanted within a heart superior to a valve annulus and a second strut configured to be implanted within a heart and traversing a plane of the valve annulus,wherein the coaptation assistance element comprises a multi-layer laminate covering at least a portion of the plurality of struts.
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Abstract
The invention relates to a device for use in the transcatheter treatment of mitral valve regurgitation, specifically a coaptation assistance element for implantation across the valve; a system including the coaptation assistance element and anchors for implantation; a system including the coaptation assistance element and delivery catheter; and a method for transcatheter implantation of a coaptation element across a heart valve.
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Citations
20 Claims
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1. A coaptation assistance element for treating mal-coaptation of a heart valve, the heart valve having an annulus, the coaptation assistance element comprising:
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a first surface and an opposed second surface, each surface bounded by a first lateral edge, a second lateral edge, an inferior edge, and a superior edge; a hub; and a plurality of struts spaced around the hub and extending outward from the hub, the plurality of struts comprising at least a first strut configured to be implanted within a heart superior to a valve annulus and a second strut configured to be implanted within a heart and traversing a plane of the valve annulus, wherein the coaptation assistance element comprises a multi-layer laminate covering at least a portion of the plurality of struts. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A coaptation assistance element for treating mal-coaptation of a heart valve, the heart valve having an annulus, the coaptation assistance element comprising:
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a first coaptation surface and an opposed second surface, each surface bounded by a first lateral edge, a second lateral edge, an inferior edge, and a superior edge; a hub; an anchor coupled to the hub and configured to be rotated relative to the hub to selectively deploy the anchor at a first target location; and a plurality of struts spaced around the hub and extending outward from the hub, the plurality of struts comprising at least a first strut configured to be implanted within a heart superior to a valve annulus and a second strut configured to be implanted within a heart and traversing a plane of the valve annulus, wherein the coaptation assistance element comprises at least two layers comprising different materials covering at least a portion of the plurality of struts. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A coaptation assistance element for treating mal-coaptation of a heart valve, the heart valve having an annulus, the coaptation assistance element comprising:
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a first coaptation surface and an opposed second surface, each surface bounded by a first lateral edge, a second lateral edge, an inferior edge, and a superior edge; a hub; an anchor coupled to the hub, the anchor configured to be rotated in a first direction to selectively deploy the active anchor to engage tissue, the active anchor configured to be rotated in a second direction, opposite the first direction, to selectively disengage tissue; and a plurality of struts spaced around the hub, the plurality of struts comprising at least a first strut configured to be implanted within a heart superior to a valve annulus and a second strut configured to be implanted within a heart and traversing a plane of the valve annulus wherein the coaptation assistance element comprises at least two layers comprising different dimensions covering at least a portion of the plurality of struts.
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Specification