Mitral heart valve 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 cells arranged in rows, each of the rows extending around a circumference of the stent, at least one of the rows forming a flared portion having a diameter that is larger than diameters of others of the rows, at least one of the rows including a plurality of cells having a first shape and a plurality of cells having a second shape different than the first shape, the stent further including engaging arms disposed adjacent the outflow end and extending toward the inflow end, the engaging arms being configured to couple to heart tissue to anchor the stent; and
a collapsible and expandable valve assembly disposed within the stent and having a plurality of leaflets.
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Abstract
A prosthetic heart valve having an inflow end and an outflow end includes a collapsible and expandable stent including a plurality of cells arranged in rows extending around a circumference of the stent, at least one of the rows forming a flared portion having a diameter that is larger than diameters of others of the rows. The stent further includes engaging arms disposed adjacent the outflow end and extending toward the inflow end, the engaging arms being configured to couple to heart tissue to anchor the stent. A collapsible and expandable valve assembly has a plurality of leaflets disposed within the stent.
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Citations
20 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 cells arranged in rows, each of the rows extending around a circumference of the stent, at least one of the rows forming a flared portion having a diameter that is larger than diameters of others of the rows, at least one of the rows including a plurality of cells having a first shape and a plurality of cells having a second shape different than the first shape, the stent further including engaging arms disposed adjacent the outflow end and extending toward the inflow end, the engaging arms being configured to couple to heart tissue to anchor the stent; and a collapsible and expandable valve assembly disposed within the stent and having a plurality of leaflets. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. 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 cells arranged in rows, each of the rows extending around a circumference of the stent, the rows including a first row of cells having a first diameter and a second row of cells having a second diameter, the second diameter being larger than the first diameter, the first row including a plurality of cells having a first shape and a plurality of cells having a second shape different than the first shape the stent further including engaging arms nested within at least one of the plurality of cells having the second shape; a collapsible and expandable valve assembly disposed within the stent and having a plurality of leaflets; an annular cuff disposed over cells of the first row of cells; and an annular skirt disposed over cells of the second row of cells. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification