| 主权项 |
1. A prosthetic valve, comprising:
a leaflet frame defining a cylinder having a leaflet frame inner side and a leaflet frame outer side, the leaflet frame having a leaflet frame central axis and a plurality of commissure posts extending parallel to the leaflet frame central axis that are spaced from one another, each commissure post defining a post slot therethrough that is aligned parallel to the leaflet frame central axis, between the commissure posts and contiguous therewith is a leaflet window; a leaflet construct defining a contiguous cylinder comprising a plurality of leaflets and a bridge region between each of the leaflets, the leaflets extend inward from the leaflet frame, each of the leaflets defining a fold-over portion that is folded over and lies against the leaflet frame outer side of the leaflet frame and coupled thereto, each of the bridge regions extending through one of the post slots and defining a bridge loop that is adjacent to the leaflet frame outer side; and a retention element having a width that is larger than a width of the post slot, the retention element being disposed in the bridge loop and operable to prevent the bridge loop from passing through the post slot. |
