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人工心脏瓣膜假体及制备方法
InventionActive
20Claims · 2 independent
§ Ⅰ
Dossier Overview
Inventor
杨威; 魏勇强; 闻靖
IPC Classification
A61F 2/24 (2006.01)
本申请公开一种人工心脏瓣膜假体及制备方法;该人工心脏瓣膜假体包括:支架;以及多片人工瓣叶,多片人工瓣叶组装于支架上;每片人工瓣叶包括瓣叶闭合区域、瓣叶连合部区域和瓣叶中部区域;瓣叶连合部区域的强度大于瓣叶闭合区域的强度和瓣叶中部区域的强度;瓣叶闭合区域的延伸率和瓣叶中部区域的延伸率均大于瓣叶连合部区域的延伸率;由此增强人工瓣膜的力学性能,提高人工瓣膜的使用寿命,同时帮助患者更好的恢复正常瓣膜功能。
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