公开(公告)号：US06830588B2

公开(公告)日：2004-12-14

申请号：US09866448

申请日：2001-05-25

申请人： Akihisa Furukawa ,  Toshiyuki Tagaki ,  Hidetoshi Matsuki ,  Yun Luo ,  Junko Hayashi ,  Tomoyuki Yambe ,  Takamichi Kamiyama ,  Shintaro Amae ,  Motoshi Wada

发明人： Akihisa Furukawa ,  Toshiyuki Tagaki ,  Hidetoshi Matsuki ,  Yun Luo ,  Junko Hayashi ,  Tomoyuki Yambe ,  Takamichi Kamiyama ,  Shintaro Amae ,  Motoshi Wada

IPC分类号： A61F208

CPC分类号： A61F2/0036 ,  A61F2210/0033

摘要： With an object of providing an artificial sphincter for which repeated shape changes are possible, and for which the quantity of shape change is sufficient so as to be used as a substitute for a large natural sphincter, an artificial sphincter 11 that opens and closes, as required, either the anus of a living body or part of the intestine 19 led outside the body is provided, wherein this artificial sphincter 11 comprises a pair of shape memory alloy elements 13 that change reversibly between two opposite shapes upon changes in temperature and hinges 15 that link the shape memory alloy elements 1 together in a cylindrical shape.

摘要翻译： 为了提供可以重复形状变化的人造括约肌的目的，并且其形状变化量足以使其用作大的天然括约肌的替代物，打开和关闭的人造括约肌11作为 需要提供一种生物体的肛门或引导到体外的肠的一部分19，其中该人造括约肌11包括一对形状记忆合金元件13，其在温度变化和铰链15上在两个相反形状之间可逆地改变 将形状记忆合金元件1连接成圆柱形。