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    • 46. 发明申请
    • Bipolar Off-Wall Electrode Device for Renal Nerve Ablation
    • 用于肾神经消融的双极离壁电极装置
    • US20120157993A1
    • 2012-06-21
    • US13243736
    • 2011-09-23
    • Mark L. JensonScott Smith
    • Mark L. JensonScott Smith
    • A61B18/16
    • A61B18/1492A61B2018/00267A61B2018/00434A61B2018/00577A61B2018/00821A61B2018/00875
    • A first spacing structure is provided at a distal end of a first catheter. The first spacing structure is configured to position at least one arterial electrode at a predefined distance away from a wall of the renal artery. A second spacing structure is provided at the distal end of the first catheter or at a distal end of a second catheter. The second spacing structure is configured to position at least one aortal electrode at a predefined distance away from a wall of the aorta. The arterial and aortal electrodes are operable as a bipolar electrode arrangement. The first and second spacing structures respectively maintain the arterial and aortal electrodes at a predefined distance away from the renal artery and aortal walls while electrical energy sufficient to ablate perivascular nerve tissue adjacent the renal artery and aortal walls is delivered by the bipolar electrode arrangement.
    • 第一间隔结构设置在第一导管的远端。 第一间隔结构构造成将远离肾动脉壁的预定距离定位至少一个动脉电极。 第二间隔结构设置在第一导管的远端处或在第二导管的远端处。 第二间隔结构被配置为将至少一个主动脉电极定位成远离主动脉壁的预定距离。 动脉和主动脉电极可操作为双极电极装置。 第一和第二间隔结构分别将动脉和主动脉电极保持在远离肾动脉和主动脉壁的预定距离处,同时通过双极电极装置输送足以消除邻近肾动脉和主动脉壁的血管周围神经组织的电能。