Heart valve repair and replacement
First Claim
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1. A prosthetic heart valve having an inflow end and an outflow end, comprising:
- a collapsible and expandable stent including a plurality of commissure features, a plurality of first struts defining a substantially cylindrical portion, a plurality of curled second struts having first ends attached to the cylindrical portion and free ends projecting radially outward from the cylindrical portion to anchor the stent to the heart tissue, the free ends of a first group of the plurality of second struts have a first polarity and the free ends of a second group of the plurality of second struts have a second polarity opposite the first polarity; and
a collapsible and expandable valve assembly disposed within the stent and having a plurality of leaflets coupled to the commissure features.
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Accused Products
Abstract
A prosthetic heart valve having an inflow end and an outflow end includes a collapsible and expandable stent having a plurality of commissure features, a plurality of first struts and a plurality of second struts. The plurality of first struts define a substantially cylindrical portion and the plurality of second struts have first ends attached to the cylindrical portion and free ends projecting radially outward from the cylindrical portion and configured to couple to adjacent heart tissue to anchor the stent. A collapsible and expandable valve assembly disposed within the stent has a plurality of leaflets coupled to the commissure features.
235 Citations
5 Claims
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1. A prosthetic heart valve having an inflow end and an outflow end, comprising:
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a collapsible and expandable stent including a plurality of commissure features, a plurality of first struts defining a substantially cylindrical portion, a plurality of curled second struts having first ends attached to the cylindrical portion and free ends projecting radially outward from the cylindrical portion to anchor the stent to the heart tissue, the free ends of a first group of the plurality of second struts have a first polarity and the free ends of a second group of the plurality of second struts have a second polarity opposite the first polarity; and a collapsible and expandable valve assembly disposed within the stent and having a plurality of leaflets coupled to the commissure features. - View Dependent Claims (2, 3, 4, 5)
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Specification