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    • 1. 发明申请
    • DEVICE AND METHOD FOR ASSESSING THE GEOMETRY OF A HEART VALVE
    • 用于评估心脏瓣膜几何形状的装置和方法
    • WO2003015618A1
    • 2003-02-27
    • PCT/US2002/025796
    • 2002-08-13
    • CARDIOMEND, LLCLOVE, Jack, W.HANLON, James, G.
    • LOVE, Jack, W.HANLON, James, G.
    • A61B1/00
    • A61F2/2496A61B5/1076A61F2/2427A61F2250/0097
    • A sizer for assessing the geometry of a heart valve annulus including a handle portion (10) for holding the sizer and a sizing portion (12). The sizing portion (12) is preferably in the shape of an arch having an apex (14) and two legs (16 and 18), each of which has a base (20 and 22) adjoining the handle portion. The legs of the arched sizing portion are separated from each other by a predetermined distance that corresponds to the expected separation of commissures of a normal heart valve annulus. The height of the arch (measured from the base of each leg to the apex) corresponds to a predetermined leaflet height that approximates the expected height of a leaflet of a normal heart valve . For aortic valve reconstruction, the instrument is inserted into the opened aortic root following removal of the native valve tissue and is used to assess the distance between the commissures, the leaflet height and the symmetry of the commissures of the exposed valve annulus.
    • 一种用于评估心脏瓣膜环的几何形状的分级器,包括用于保持分级器的手柄部分(10)和上浆部分(12)。 上模部分(12)优选地具有顶点(14)和两个支脚(16和18)的拱形,每个支脚具有邻接手柄部分的基座(20和22)。 拱形施胶部分的腿彼此分开预定距离,该预定距离对应于正常心脏瓣膜环的预期分离。 拱的高度(从每个腿的基部到顶点测量)对应于接近正常心脏瓣膜的小叶的预期高度的预定小叶高度。 对于主动脉瓣重建,在移除天然瓣膜组织后,将仪器插入打开的主动脉根部,并用于评估接合之间的距离,瓣叶高度和暴露的瓣膜环的连合的对称性。