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    • 9. 发明授权
    • Deflectable catheter for ablating cardiac tissue
    • 用于消融心脏组织的可挠性导管
    • US6083222A
    • 2000-07-04
    • US730896
    • 1996-10-18
    • George J. KleinJosef V. KoblishThomas T. Coen
    • George J. KleinJosef V. KoblishThomas T. Coen
    • A61B10/00A61B10/06A61B17/00A61B18/00A61B18/14A61N1/05A61B17/39A61B5/0402
    • A61B18/1445A61B18/1492A61N1/056A61B10/06A61B18/1402A61B18/148A61B2017/003A61B2018/00279A61B2018/00577A61B2018/00839A61B2018/00916A61B2018/126A61B2018/162
    • A deflectable catheter for ablating tissue in the heart of a patient comprising: an axially elongated catheter shaft sized and constructed to be advanced through the vasculature of a patient into the patient's heart; a deflection wire; and an ablation electrode having first and second opposed electrically conductive surfaces exposable for contact with a selected area of tissue within the patient's heart and movable with respect to each other to apply gripping force to the contacted area of heart tissue for stabilizing the position of the electrically conductive surfaces of the ablation electrode relative to the selected area of heart tissue. The ablation electrode has a first rigid surface exposed for contact with the vasculature of the patient during advancement of the catheter therethrough and has an electrically conductive second rigid surface exposable for contact with a selected area of tissue within the patient's heart, wherein the axially transverse area circumscribed by the first surface of the ablation electrode is less than the tissue-contacting area exposable by the second rigid surface. Therapeutic treatments of the heart of a patient are also disclosed.
    • 1.一种用于在患者心脏中烧蚀组织的可偏转导管,包括:轴向细长的导管轴,其大小和构造为通过患者的脉管系统进入患者的心脏; 偏转线; 以及消融电极,其具有可暴露于与患者心脏内的组织的选定区域相对于彼此移动的第一和第二相对的导电表面,以可相对于彼此移动以向心脏组织的接触区域施加夹紧力,以稳定电气位置 消融电极的导电表面相对于心脏组织的选定区域。 消融电极具有暴露于与导管穿过其中的患者的脉管系统接触的第一刚性表面,并且具有可暴露于与患者心脏内的组织的选定区域接触的导电的第二刚性表面,其中轴向横向区域 由消融电极的第一表面限定的面积小于由第二刚性表面可暴露的组织接触面积。 还公开了患者心脏的治疗方法。