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    • 42. 发明申请
    • VALVE PROSTHESIS
    • 阀门优先
    • WO2002087474A1
    • 2002-11-07
    • PCT/GB2002/001998
    • 2002-05-01
    • IMPERIAL MEDICAL DEVICES LIMITEDKHAGHANI, Asghar
    • KHAGHANI, Asghar
    • A61F2/24
    • A61F2/2412A61F2/2415A61F2220/0075
    • A heart valve prosthesis having a plurality of leaflets encircling a flow opening and of size to coapt to form a valve, each leaflet having a free outflow edge at the outflow end of the leaflet, wherein the free outflow edge forms a convex (relative to the leaflet) curve in the plane of the leaflet, and methods for forming such a valve. A stentless heart valve prosthesis suitable for replacement of the aortic root comprising an outer wall and a plurality of leaflets positioned inside the outer wall, encircling a flow opening and of size to coapt to form a valve, wherein the outer wall and leaflets are formed from material other than natural valve material, and methods of forming such a valve prosthesis.
    • 一种心脏瓣膜假体,其具有环绕流动开口并具有尺寸以形成瓣膜的多个小叶,每个小叶在小叶的流出端处具有自由流出边缘,其中自由流出边缘形成凸起(相对于 小叶)曲线,以及形成这种阀的方法。 一种适用于更换主动脉根部的无支架心脏瓣膜假体,其包括外壁和位于外壁内部的多个小叶,环绕流动开口并且尺寸适于弯曲以形成瓣膜,其中外壁和小叶由 天然瓣膜材料以外的材料,以及形成这种瓣膜假体的方法。