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热词
    • 93. 发明授权
    • Pivoted disc-type heart valve
    • 托盘式心脏瓣膜
    • US3737919A
    • 1973-06-12
    • US3737919D
    • 1971-03-16
    • UNIV MINNESOTA
    • CHILD FRANCIS W
    • A61F2/24A61F1/22
    • A61F2/2406A61F2/2409Y10T137/7903
    • A heart valve having a base cooperating with a free floating pivoting disc to control the flow of blood through the valve. The disc has a substrate covered with a coating of silicon-alloyed Pyrolite carbon. The base can be a one-piece housing having side arms or two members joined together to confine the disc in a pivoting relationship with the housing. The disc pivots about a chordal axis and rotates about its center. The two members of the base have substrates with coatings of silicon-alloyed Pyrolite carbon.
    • 一种心脏瓣膜,其具有与自由浮动枢转盘配合的底座,以控制血液通过该阀的流动。 该盘具有用硅合金的Pyrolite碳涂层覆盖的基底。 基座可以是具有连接在一起的侧臂或两个构件的一体式壳体,以将盘限制在与壳体的枢转关系中。 圆盘围绕弦轴枢转并绕其中心旋转。 底座的两个部件具有带有硅合金的火石碳的涂层的基底。