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    • 9. 发明申请
    • ELECTRODE AND CONNECTOR ATTACHMENTS FOR A CYLINDRICAL GLASS FIBER FINE WIRE LEAD
    • 用于圆柱形玻璃纤维细导线的电极和连接器附件
    • WO2011106093A2
    • 2011-09-01
    • PCT/US2011000340
    • 2011-02-23
    • CARDIA ACCESS INCWALSH ROBERT GLOVOI PAUL ASHIMADA JINANDERSON KIMBERLY
    • WALSH ROBERT GLOVOI PAUL ASHIMADA JINANDERSON KIMBERLY
    • A61N1/05
    • A61N1/05A61N1/0551A61N1/056H01R4/187H01R43/0221H01R2201/12
    • A cardiac pacemaker or other CRT device has one or more fine wire leads to the heart. Formed of a glass, silica, sapphire or crystalline quartz fiber with a metal coating, a unipolar lead can have an outer diameter as small as about 300 microns or even smaller. The metal buffer coating may be deposited directly on the glass/silica fiber, or upon an intermediate layer between the glass/silica fiber and metal, consisting of carbon and/or polymer. The resulting metallized glass/silica fibers are extremely durable, can be bent through small radii and will not fatigue even from millions of iterations of flexing. Bipolar fine wire leads can include several insulated metallized glass/silica fibers residing side by side, or can be coaxial with two or more insulated metal conductive paths. An outer protective sheath of a flexible polymer material can be included. The fine wire lead incorporates a thin metal conductor, which poses unique challenges for attachment to standardized connectors, as well as stimulation electrodes. The present invention describes means and materials for creating robust and durable electrically conductive connections between the fine wire lead body and a proximal standardized connector and distal ring and tip electrodes.
    • 心脏起搏器或其他CRT设备具有一根或多根细导线至心脏。 由金属涂层形成的玻璃,硅石,蓝宝石或结晶石英纤维,单极引线可具有小至约300微米或甚至更小的外径。 金属缓冲涂层可以直接沉积在玻璃/二氧化硅纤维上,或者在玻璃/二氧化硅纤维与金属之间的由碳和/或聚合物组成的中间层上。 由此产生的金属化玻璃纤维/硅石纤维非常耐用,可以通过小半径弯曲,即使从数百万次的弯曲迭代中也不会疲劳。 双极细导线可以包括多个并排排列的绝缘金属化玻璃/石英光纤,或者可以与两个或更多个绝缘金属导电路径同轴。 可以包括柔性聚合物材料的外护套。 细导线采用薄金属导体,这对连接标准连接器以及刺激电极提出了独特的挑战。 本发明描述了用于在细线引线主体和近侧标准化连接器以及远侧环和尖端电极之间产生坚固耐用的导电连接的装置和材料。