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2. 发明授权

US4718903A Artificial heart 失效
标题翻译：人造心脏
公开(公告)号：US4718903A
公开(公告)日：1988-01-12
申请号：US906849
申请日：1986-09-15
申请人： Byoung G. Min , Chang-Soon Koh , Jun-Lyang No , Gil-Jung Chun , Hi-Chan Kim , Dong-Chul Han , Sung-Wan Kim
发明人： Byoung G. Min , Chang-Soon Koh , Jun-Lyang No , Gil-Jung Chun , Hi-Chan Kim , Dong-Chul Han , Sung-Wan Kim
IPC分类号： A61B16/00 , A61M1/10 , A61M1/12 , A61F2/22
CPC分类号： A61M1/1046 , A61M1/1048 , A61M1/12
摘要： An artificial heart blood pump including a driving motor which can be contained within the human body and which performs pumping action when supplied from an electric power source from outside of the human body. The pump includes left and right ventricles defined by elastomeric films fixed inside a pump body near each side. Each ventricle has an inlet and an outlet provided with respective check valves. Within the pump body generally between the elastomeric films is a movable body having a cylindrical case with a bidirectional driving motor built in. The movable body rolls from side to side during operation to alternately press against the elastomeric films and discharge blood alternately from the ventricles. To cause the movable body to roll from side to side, the movable body has an end portion rotatably connected to each end of the cylindrical case, and the end portions each have a groove slidably engaging a side guide rail on inner surfaces of the pump body so as to prevent rotation of the end portions within and relative to the pump body. Power transmitting means, preferably in the form of a pair of planetary gear trains, connects a motor shaft to one of the end portions so as to provide bidirectional relative rotation between the cylindrical case and the one end portion such that the cylindrical case rotates within the pump body. To convert this rotation to side-to-side rolling, a semi-circumferential row of gear teeth on said cylindrical case engages a toothed rack on an inner surface of the pump body.
摘要翻译：一种人造心脏血泵，其包括能够容纳在人体内的驱动电动机，并且在从人体外部从电力供给时进行抽动动作。泵包括由固定在靠近每一侧的泵体内部的弹性膜限定的左心室和右心室。每个心室都有一个入口和一个带有相应止回阀的出口。通常在弹性膜之间的泵体内是具有内置双向驱动电动机的圆筒形壳体的可移动体。可动体在操作过程中从一侧向另一侧滚动以交替地压靠弹性体膜并从血液交替排出血液。为了使可动体从一侧向另一侧滚动，可移动体具有可旋转地连接到圆筒形壳体的每一端的端部，并且端部各自具有与泵体的内表面可滑动地接合侧导轨的凹槽以防止端部在泵体内部和相对于泵体旋转。优选地以一对行星齿轮系的形式的动力传递装置将马达轴连接到一个端部部分，以便在圆筒形壳体和一个端部之间提供双向相对旋转，使得圆柱形壳体在泵体。为了将该转动转换为侧向滚动，所述圆筒形壳体上的半圆周齿轮齿啮合在泵体的内表面上的齿形齿条。

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