Prosthesis for atraumatically grasping intralumenal tissue and methods of delivery
AssigneeCardiAQ Value Technologies, Inc.
InventorsJ. Brent Ratz, Arshad Quadri, Luca Pesce
Life of this patent
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Abstract
A prosthesis can comprise an expandable frame, a plurality of distal anchors and a plurality of proximal anchors. The anchors can extend outwardly from the frame. The frame can be configured to radially expand and contract for deployment within a body cavity. The frame and anchors can have one of many different shapes and configurations. For example, when the frame is in an expanded configuration, the proximal anchors can extend a significant distance away from the exterior of the frame, such as a length equal to or greater than about one half the diameter of the frame. As another example, the anchors can have looped ends.
Claims16
1-12. (canceled)
A prosthesis configured to grasp intralumenal tissue when deployed within a body cavity, the prosthesis comprising:
- an expandable frame comprising a proximal end and a distal end and a longitudinal axis extending therethrough, the frame configured to collapse radially for delivery and to expand radially upon deployment;
- a plurality of proximal anchors extending from the frame and expandable from a collapsed configuration to an expanded configuration, wherein in the expanded configuration, each proximal anchor extends proximally away from the proximal end of the frame and then turns to extend distally, each proximal anchor extending to an end positioned radially outward from the frame;
- and
- a plurality of distal anchors extending from the frame and expandable from a collapsed configuration to an expanded configuration, wherein in the expanded configuration, each distal anchor extends distally away from the distal end of the frame and then turns to extend proximally, each distal anchor extending to an end positioned radially outward from the frame.
A replacement mitral valve comprising the prosthesis of claim 1, wherein when the frame in an expanded configuration, the frame is positionable within a native mitral valve annulus such that:
- the proximal anchors atraumatically engage tissue on an atrial side of the native mitral valve annulus;
- and
- the distal anchors are positionable within the ventricle and have portions that extend generally proximally toward a ventricular side of the native mitral valve annulus.
Dependencies are inferred from the claim text.