Patent ID: 9717593
Date: 2017-08-01
CPC Classifications: A61F

Claim:
1. A prosthetic heart valve, comprising: a collapsible and expandable stent having a proximal end and a distal end and comprising a plurality of struts and a plurality of cells defined by the plurality of struts; a plurality of commissure points disposed on the stent, each of the commissure points including a body having an inner surface, an outer surface, a first lateral side and a second lateral side, each of the commissure points interconnecting first and second adjacent cells in an annular row of the stent such that the first lateral side faces the first cell and the second lateral side faces the second cell; and a collapsible and expandable valve assembly disposed within the stent, the valve assembly including a plurality of leaflets, each leaflet having an end portion; wherein the end portion of a first one of the leaflets includes a first folded portion and a first remainder portion, the first remainder portion having a first segment coextensive with the first folded portion and a second segment extending from the first segment away from one of the commissure points, the first folded portion of the first leaflet being attached to the one commissure point in contact with the inner surface of the one commissure point, wherein the end portion of a second one of the leaflets adjacent the first leaflet includes a second folded portion and a second remainder portion, the second remainder portion having a first segment coextensive with the second folded portion and a second segment extending from the first segment of the second remainder portion away from the one commissure point, the second folded portion of the second leaflet being attached to the one commissure point in contact with the inner surface of the one commissure point, wherein the first folded portion of the first leaflet is attached directly to the first segment of the first remainder portion of the first leaflet so that a surface of the first folded portion contacts a surface of the first segment of the first remainder portion, and wherein the second folded portion of the second leaflet is attached directly to the first segment of the second remainder portion of the second leaflet so that a surface of the second folded portion contacts a surface of the first segment of the second remainder portion.