| 主权项 |
1. An implantable prosthetic device comprising:
a crimpable, multipart frame comprising a plurality of frame parts, each frame part having a lower portion with a scalloped shape, wherein the lower portion of each frame part comprises a first part and a second part, the first and second parts being spaced apart to create a gap; a flexible membrane comprising a plurality of flexible leaflets, each flexible leaflet having a lower portion with an edge; and one or more cloth portions attached to the edge of each flexible leaflet to create a leaflet attachment portion, each cloth portion further comprising a first excess cloth portion and a second excess cloth portion, wherein the first excess cloth portion extends away from an upper side of each leaflet attachment portion and the second excess cloth portion extends away from a lower side of each leaflet attachment portion; wherein each leaflet attachment portion is positioned in the gap between the first and second part of the lower portion of each frame part, each first excess cloth portion is wrapped around at least a portion of the first part of each frame part, each second excess cloth portion is wrapped around at least a portion of the second part of each frame part, and each first and second excess cloth portions are secured together at an area radially outside of the frame, and wherein the multipart frame in a crimped state is deliverable through a patient's vasculature; wherein the frame further comprises first and second vertical posts at an upper area between two frame parts, the two vertical posts being spaced apart and defining an opening for receiving a first portion of a first flexible leaflet and a second portion of a second flexible leaflet, wherein both the first and second portions are attached to a first and second cloth portion, respectively, the first and second cloth portions wrapping around at least a portion of the first and second vertical posts, respectively, to attach the flexible leaflets to the frame. |
