Methods and Apparatus for Endovascular Heart Valve Replacement Comprising Tissue Grasping Elements
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Abstract
The present invention provides an apparatus for endovascularly replacing a patient'"'"'s heart valve. In some embodiments, the apparatus includes an expandable anchor supporting a replacement valve, the anchor and replacement valve being adapted for percutaneous delivery and deployment to replace the patient'"'"'s heart valve, the anchor having a braid having atraumatic grasping elements adapted to grasp tissue in a vicinity of the patient'"'"'s heart valve.
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Citations
39 Claims
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1-19. -19. (canceled)
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20. An apparatus for endovascularly replacing a patient'"'"'s heart valve, the apparatus comprising:
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an expandable anchor supporting a valve, the anchor and the valve being adapted for percutaneous delivery and deployment, the anchor having a proximal end, a distal end, a longitudinal axis, and an outer surface, the anchor being expandable from a collapsed delivery configuration to a fully deployed configuration; and a proximal set of grasping elements attached to the expandable anchor and a distal set of grasping elements attached to the expandable anchor, wherein the proximal set of grasping elements is axially spaced apart from the distal set of grasping elements. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 39)
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36. A system for endovascularly replacing a patient'"'"'s heart valve, an apparatus comprising:
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an expandable anchor supporting a valve, the anchor and the valve being adapted for percutaneous delivery and deployment, the anchor having a proximal end, a distal end, a longitudinal axis, and an outer surface, the anchor being expandable from a collapsed delivery configuration to a fully deployed configuration; a first set of grasping elements attached to the expandable anchor and a second set of grasping elements attached to the expandable anchor, wherein the first set of grasping elements is axially spaced apart from the second set of grasping elements; and a sheath disposed about the expandable anchor, wherein in the collapsed delivery configuration, the first set of grasping elements and the second set of grasping elements each lie against the outer surface of the expandable anchor. - View Dependent Claims (37, 38)
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Specification