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    Lead electrode for use in an MRI-safe implantable medical device
    6.
    发明申请
    Lead electrode for use in an MRI-safe implantable medical device 有权
    用于MRI安全可植入医疗器械的引线电极

    公开(公告)号：US20050222647A1

    公开(公告)日：2005-10-06

    申请号：US10981092

    申请日：2004-11-03

    申请人： Carl Wahlstrand ,  Thomas Hoegh ,  Gregory Hrdlicka ,  Thomas Cross ,  James Olsen

    发明人： Carl Wahlstrand ,  Thomas Hoegh ,  Gregory Hrdlicka ,  Thomas Cross ,  James Olsen

    IPC分类号： A61N1/04 ,  A61N1/05 ,  A61N1/06 ,  A61N1/37 ,  A61N1/18

    CPC分类号： A61N1/0529 ,  A61N1/05 ,  A61N1/0534 ,  A61N1/0553 ,  A61N1/06 ,  A61N1/086 ,  A61N1/3718

    摘要： A pulse stimulation system configured for implantation into a patient's body comprises a pulse stimulator, a conductive stimulation lead having a proximal end electrically coupled to the pulse simulator and having a distal end, and an electrode assembly coupled to the distal end of the stimulation lead. The electrode assembly comprises an electrode body having a therapy electrode thereon that is electrically coupled to the stimulation lead for delivering therapy to the patient. A floating electrode is configured to contact the patient's body tissue and has a surface area substantially larger than that of the therapy electrode. A filter is coupled between the therapy electrode and the floating electrode for diverting RF energy toward the floating electrode and away from the therapy electrode.

    摘要翻译： 构造成用于植入患者体内的脉冲刺激系统包括脉冲刺激器，具有电耦合到脉冲模拟器的近端的导电刺激引线，并且具有远端，以及耦合到刺激引线的远端的电极组件。 电极组件包括其上具有治疗电极的电极体，其电耦合到刺激引线以将治疗递送给患者。 浮动电极被配置为接触患者的身体组织，并且其表面积基本上大于治疗电极的表面积。 过滤器耦合在治疗电极和浮动电极之间，用于将RF能量朝向浮动电极转移并远离治疗电极。

    Medical electrical lead connection systems and methods
    9.
    发明授权
    Medical electrical lead connection systems and methods 有权
    医用电线连接系统及方法

    公开(公告)号：US07798862B2

    公开(公告)日：2010-09-21

    申请号：US12482033

    申请日：2009-06-10

    申请人： John Kast ,  Mark Lent ,  James Olsen ,  Andrew Ries ,  James Skakoon ,  Carl Wahlstrand

    发明人： John Kast ,  Mark Lent ,  James Olsen ,  Andrew Ries ,  James Skakoon ,  Carl Wahlstrand

    IPC分类号： H01R24/00

    CPC分类号： H01R13/502 ,  A61N1/3752 ,  H01R13/193 ,  H01R13/5224 ,  H01R24/58 ,  H01R2107/00 ,  H01R2201/12 ,  Y10S439/909

    摘要： An electrical connection assembly of a medical device includes a plurality of electrical contact blocks and a sealing member, which are held within a cavity of a base of the assembly. The sealing member includes a plurality of openings, at least one interior surface surrounding a bore and at least one void. Each electrical contact block extends into a corresponding opening of the sealing member, and a conductive sidewall of each block defines a portion of a perimeter of an area for receiving a lead connector, while the bore of the sealing member forms another portion of the perimeter of the area. The at least one void provides a compressible space in a bulk volume of the sealing member. When the lead is inserted within the area, and a cap is engaged with the base, the at least one interior surface of the sealing member is compressed about the lead.

    摘要翻译： 医疗装置的电连接组件包括多个电接触块和密封构件，所述密封构件保持在组件的基座的空腔内。 密封构件包括多个开口，围绕孔和至少一个空隙的至少一个内表面。 每个电接触块延伸到密封构件的对应的开口中，并且每个块的导电侧壁限定用于容纳引线连接器的区域的周边的一部分，同时密封构件的孔形成周边的另一部分 该地区。 至少一个空隙在密封构件的本体体积中提供可压缩空间。 当引线插入区域内并且帽与基座接合时，密封构件的至少一个内表面围绕引线被压缩。