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    • 7. 发明申请
    • CURVED FIBER ARRANGEMENT FOR PROSTHETIC HEART VALVES
    • 弯曲纤维布置用于预防心脏瓣膜
    • US20130274874A1
    • 2013-10-17
    • US13996567
    • 2011-12-29
    • Peter Hammer
    • Peter Hammer
    • A61F2/24
    • A61F2/24A61F2/2412A61F2/2439A61F2002/068A61F2250/0028
    • A leaflet including fibers oriented at an angle relative to at least one free edge of the leaflet. A leaflet comprising mechanisms for increasing coaptation height, preventing billowing, and reducing stress in critical regions of the leaflet. A prosthetic heart valve, including three leaflets operatively attached together. A method of using a prosthetic heart valve, by applying pressure to the valve, forming a pocket with material of three leaflets operatively attached together and increasing coaptation height, reducing billowing of the leaflets toward a ventricle, and reducing stress in critical regions of the leaflet. A chorded valve including at least one leaflet, wherein bundles of fibers exit said free edges as tethers and can be anchored to tissue. A method of using the chorded valve, by anchoring the tethers to tissue, forming a pocket with the material of leaflets and increasing coaptation height, and reducing billowing of leaflets toward an atrium.
    • 包括相对于小叶的至少一个自由边缘以一定角度定向的纤维的小叶。 包括增加接合高度,防止滚滚并减少小叶关键区域的压力的机构的小叶。 一种假体心脏瓣膜,包括三个可操作地连接在一起的小叶。 一种使用假体心脏瓣膜的方法,通过向瓣膜施加压力,形成具有可操作地连接在一起的三个小叶的材料的口袋,并且增加接合高度,减少小叶朝向心室的滚滚,并减小小叶临界区域的压力 。 一种弦状阀,包括至少一个叶片,其中纤维束从所述自由边缘出来作为系绳并且可以锚定到组织​​。 一种使用弦式阀的方法,通过将系绳固定在组织上,用传单的材料形成一个口袋,增加接合高度,并减少小叶向中庭的滚滚。