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    • 5. 发明授权
    • Protective feedthrough
    • 保护馈通
    • US5759197A
    • 1998-06-02
    • US550273
    • 1995-10-30
    • Robert T. SawchukLynn M. SeifriedBill SimmonsJeff GalvinDavid Ruben
    • Robert T. SawchukLynn M. SeifriedBill SimmonsJeff GalvinDavid Ruben
    • A61N1/05A61N1/362A61N1/375H01B17/30
    • A61N1/3754
    • A feedthrough configuration for a hermetically sealed implantable medical device includes a metal case having an aperture and a feedthrough in the aperture which includes a ferrule sealed in the aperture, a pin extending through the ferrule and the aperture, an insulating material supporting the pin within the ferrule and an electrically conductive block spaced from the ferrule and in electrical connection with the pin. A device for electrical or electromagnetic protection can be connected to a peripheral upstanding portion of the ferrule and a peripheral skirt portion of the block. This arrangement of feedthrough elements can be particularly useful if the protective device is a chip capacitor which typically has a flat-sided configuration that can bridge the space between the ferrule and the block and be connected at one end to the block and at the other end to the ferrule.
    • 用于气密密封的可植入医疗装置的馈通配置包括具有孔和孔中的馈通的金属外壳,其包括密封在孔中的套圈,延伸穿过套圈和孔的销,将销钉支撑在内 套圈和与套圈间隔开并与销电连接的导电块。 用于电气或电磁保护的装置可以连接到套圈的周边直立部分和块的外围裙部。 如果保护装置是通常具有平坦侧面构造的片状电容器,那么馈通元件的这种布置可以是特别有用的,该平板电容器可以桥接套圈和块之间的空间并且在一端连接到块并且在另一端连接 到套圈。