METHODS AND SYSTEMS FOR REDUCING PARAVALVULAR LEAKAGE IN HEART VALVES
First Claim
Patent Images
1. A replacement valve system comprising:
- a replacement valve having an inflow end, an outflow end, and a plurality of leaflets;
an expandable and collapsible valve support structure having an inflow rim, an outflow rim, and a plurality of support posts extending between the inflow rim and the outflow rim, the replacement valve disposed within the valve support structure; and
a valve cuff surrounding the inflow end of the replacement valve and the inflow rim of the valve support structure, the valve cuff comprising;
a scalloped skirt portion; and
a flange coupled to and protruding from the skirt portion to form a seal around the inflow end of the replacement valve.
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Abstract
A replacement valve comprises a valve body having an inflow end, an outflow end, and a valve support structure, and a valve cuff surrounding the inflow end of the valve body. The valve support structure surrounds the valve body, and the valve cuff is coupled to the valve support structure. The valve cuff includes a skirt portion and at least one flange coupled to and protruding from the skirt portion, the at least one flange forming a seal around the inflow end of the valve body.
284 Citations
20 Claims
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1. A replacement valve system comprising:
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a replacement valve having an inflow end, an outflow end, and a plurality of leaflets; an expandable and collapsible valve support structure having an inflow rim, an outflow rim, and a plurality of support posts extending between the inflow rim and the outflow rim, the replacement valve disposed within the valve support structure; and a valve cuff surrounding the inflow end of the replacement valve and the inflow rim of the valve support structure, the valve cuff comprising; a scalloped skirt portion; and a flange coupled to and protruding from the skirt portion to form a seal around the inflow end of the replacement valve. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A replacement valve comprising:
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a valve body having a proximal inflow end, a distal outflow end, and a plurality of valve leaflets; and a valve cuff wrapped around the proximal inflow end of the valve body, the valve cuff comprising; a scalloped skirt portion; a first flange; and a second flange; wherein the first and second flanges are coupled to the skirt portion and are structured to form a seal around the proximal inflow end of the valve body.
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10. A valve cuff for a replacement valve comprising:
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a scalloped skirt portion structured to surround an inflow end of a replacement valve; and a plurality of flanges coupled to and protruding from the skirt portion to form a seal around the inflow end of the replacement valve. - View Dependent Claims (11, 12)
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13. A replacement valve comprising:
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a valve body having an inflow end, an outflow end, and a valve support structure surrounding the valve body; and a valve cuff surrounding the inflow end of the valve body and coupled to the valve support structure, the valve cuff comprising; a scalloped skirt portion; and at least one flange coupled to and protruding from the skirt portion to form a seal around the inflow end of the valve body. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification