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    • 6. 发明申请
    • CO-FIRED ELECTRICAL FEEDTHROUGHS FOR IMPLANTABLE MEDICAL DEVICES HAVING A SHIELDED RF CONDUCTIVE PATH AND IMPEDANCE MATCHING
    • 具有屏蔽射频导通路径和阻抗匹配的可植入医疗设备的共同电气馈线
    • WO2011014399A1
    • 2011-02-03
    • PCT/US2010/042837
    • 2010-07-22
    • MEDTRONIC, INC.YAMAMOTO, Joyce, K.HAUBRICH, Gregory, J.
    • YAMAMOTO, Joyce, K.HAUBRICH, Gregory, J.
    • A61N1/375A61N1/372
    • A61N1/3754A61N1/37223
    • A co-fired electrical feedthrough for an implantable medical device (IMD) is provided having a shielded radio frequency (RF) conductive path. The feedthrough includes a monolithic structure derived from one or more layers of dielectric material and a conductive pathway extending through the monolithic structure for communicating RF signals into and from the IMD. An internal shield is formed to extend through at least one of the layers of dielectric material so as to surround the conductive pathway (e.g., in a coaxial relationship) and shield the RF conductive pathway from undesirable signals. This shielding of the RF conductive pathway prevents destructive EMI signals from entering into the IMD through the RF conductive pathway. In some embodiments, a monolithic structure containing embedded impedance matching elements is electrically connected to at least one conductive pathway in the feedthrough to perform impedance matching and/or filtering of the conductive pathway to other circuitry.
    • 提供了一种用于可植入医疗装置(IMD)的共同燃烧电馈通,其具有屏蔽的射频(RF)导电路径。 馈通包括从一个或多个介电材料层导出的整体结构和延伸穿过整体结构的导电路径,用于将IM信号传送到IMD和从IMD传送RF信号。 内部屏蔽形成为延伸穿过介电材料层中的至少一层以便围绕导电路径(例如,以同轴关系)并且屏蔽RF导电路径免受不期望的信号。 RF导电通路的屏蔽防止了破坏性的EMI信号通过RF导电通路进入IMD。 在一些实施例中,包含嵌入式阻抗匹配元件的单片结构电连接到馈通中的至少一个导电路径,以执行到其它电路的导电路径的阻抗匹配和/或滤波。