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    • 4. 发明授权
    • Electrode assembly in a medical electrical lead
    • 医用电极中的电极组件
    • US09014815B2
    • 2015-04-21
    • US12915631
    • 2010-10-29
    • Zhongping C. YangPiotr J. PrzybyszewskiBen W. HerbergKevin R. SeifertDina L. Williams
    • Zhongping C. YangPiotr J. PrzybyszewskiBen W. HerbergKevin R. SeifertDina L. Williams
    • A61N1/05A61N1/375A61N1/37A61N1/08
    • A61N1/375A61N1/05A61N1/086A61N1/3718
    • A medical device lead is presented that includes an electrode assembly having a first electrode located near a distal end of the electrode assembly and a second electrode located near a proximal end of the electrode assembly. The electrode assembly also includes a conductive elongated coupler that is electrically coupled to the first electrode and capacitively coupled to the second electrode. At low frequencies and DC (e.g., during delivery of stimulation therapy), the capacitive coupling between the conductive elongated coupler and the second electrode presents a high impedance allowing little current to be redirected from the first electrode to the second electrode. However, at high frequencies (e.g., during an MRI scan) the capacitive coupling between the conductive elongated coupler and the second electrode presents a low impedance, resulting in a significant amount of induced current being redirected to the second electrode and dissipated into bodily fluid surrounding the second electrode.
    • 提供了一种医疗装置引线,其包括具有位于电极组件的远端附近的第一电极的电极组件和位于电极组件的近端附近的第二电极。 电极组件还包括电耦合到第一电极并电容耦合到第二电极的导电细长耦合器。 在低频和DC(例如,在递送刺激疗法期间),导电细长耦合器和第二电极之间的电容耦合呈现高阻抗,允许将电流从第一电极重定向到第二电极。 然而,在高频(例如,在MRI扫描期间),导电细长耦合器和第二电极之间的电容耦合呈现低阻抗,导致大量的感应电流被重定向到第二电极并且耗散到周围的体液中 第二电极。
    • 7. 发明授权
    • Telemetry antenna for an implantable medical device
    • 用于可植入医疗器械的遥测天线
    • US07016733B2
    • 2006-03-21
    • US10421179
    • 2003-04-23
    • Garry L. DublinWilliam D. VerhoefRodney S. WallaceLen D. TwetanEugene KuschnirGregory J. HaubrichPiotr J PrzybyszewskiChristine G. KronichBonnie Dougherty, legal representative
    • Eduardo H. Villaseca, deceased
    • A61N1/365
    • A61N1/37229A61N1/375
    • Improved telemetry antennas and methods of fabrication for an implantable medical device (IMD) for use in uplink telemetry (UT) and downlink telemetry (DT) transmissions between the IMD and an external medical device (EMD) are disclosed. A first telemetry antenna element is supported to extend in a first direction along a minor side of the IMD housing by a first header segment, and a second antenna element is supported to extend in a second direction along a second minor side of the IMD housing by a second header segment. The first and second antenna elements are supported to extend apart at substantially 90° to one another, i.e., substantially orthogonally, in substantially a common plane to optimize UT transmission and DT reception of UHF telemetry signals by at least one of the first and second antenna elements depending upon the mutual spatial orientation with the antenna elements of an EMD antenna.
    • 公开了改进的遥测天线和用于在IMD和外部医疗设备(EMD)之间的上行链路遥测(UT)和下行链路遥测(DT)传输中使用的可植入医疗设备(IMD)的制造方法。 第一遥测天线元件被支撑以沿第一方向沿IMD外壳的次侧通过第一头部段延伸,并且第二天线元件被支撑以沿IMD外壳的第二小侧在第二方向上延伸, 第二标题段。 第一和第二天线元件被支撑以在基本上共同的平面中彼此基本上90°彼此延伸分开,即基本正交地延伸,以通过第一和第二天线中的至少一个来优化UHF遥测信号的UT传输和DT接收 取决于与EMD天线的天线元件的相互空间取向的元件。
    • 9. 发明申请
    • ELECTRODE ASSEMBLY IN A MEDICAL ELECTRICAL LEAD
    • 医用电线中的电极组件
    • US20110118813A1
    • 2011-05-19
    • US12915631
    • 2010-10-29
    • Zhongping C. YangPiotr J. PrzybyszewskiBen W. HerbergKevin R. SeifertDina L. Williams
    • Zhongping C. YangPiotr J. PrzybyszewskiBen W. HerbergKevin R. SeifertDina L. Williams
    • A61N1/05
    • A61N1/375A61N1/05A61N1/086A61N1/3718
    • A medical device lead is presented that includes an electrode assembly having a first electrode located near a distal end of the electrode assembly and a second electrode located near a proximal end of the electrode assembly. The electrode assembly also includes a conductive elongated coupler that is electrically coupled to the first electrode and capacitively coupled to the second electrode. At low frequencies and DC (e.g., during delivery of stimulation therapy), the capacitive coupling between the conductive elongated coupler and the second electrode presents a high impedance allowing little current to be redirected from the first electrode to the second electrode. However, at high frequencies (e.g., during an MRI scan) the capacitive coupling between the conductive elongated coupler and the second electrode presents a low impedance, resulting in a significant amount of induced current being redirected to the second electrode and dissipated into bodily fluid surrounding the second electrode.
    • 提供了一种医疗装置引线,其包括具有位于电极组件的远端附近的第一电极的电极组件和位于电极组件的近端附近的第二电极。 电极组件还包括电耦合到第一电极并电容耦合到第二电极的导电细长耦合器。 在低频和DC(例如,在递送刺激疗法期间),导电细长耦合器和第二电极之间的电容耦合呈现高阻抗,允许将电流从第一电极重定向到第二电极。 然而,在高频(例如,在MRI扫描期间),导电细长耦合器和第二电极之间的电容耦合呈现低阻抗,导致大量的感应电流被重定向到第二电极并且耗散到周围的体液中 第二电极。