PROSTHETIC VALVE WITH CONCENTRIC FRAMES
A unitary flexible sheet (612) is folded to define (i) a panel (608); (ii) a first tab (606a), having a first-tab outer layer and a first-tab inner layer, and protruding away from the panel; and (iii) a second tab (606b), having a second-tab outer layer and a second-tab inner layer, and protruding a...
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Zusammenfassung: | A unitary flexible sheet (612) is folded to define (i) a panel (608); (ii) a first tab (606a), having a first-tab outer layer and a first-tab inner layer, and protruding away from the panel; and (iii) a second tab (606b), having a second-tab outer layer and a second-tab inner layer, and protruding away from the panel. A commissural portion of a first prosthetic leaflet (58a), and a commissural portion of a second prosthetic leaflet (58b) are disposed between the first-tab inner layer and the second-tab inner layer. A first stitching (632) is stitched through the inner layer of each tab, and the commissural portion of each leaflet. A second stitching (634) is stitched through the outer and inner layers of each tab, and the commissural portion of each leaflet. The first-tab outer layer and the second-tab outer layer cover the first stitching. Other embodiments are also described. |
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