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    • 7. 发明申请
    • DEVICE AND METHOD FOR POSITIONING AN ELECTRODE IN TISSUE
    • 用于定位电极组织的装置和方法
    • US20120323253A1
    • 2012-12-20
    • US13219874
    • 2011-08-29
    • Ellis GaraiAravind Swaminathan
    • Ellis GaraiAravind Swaminathan
    • A61N1/05
    • A61N1/057A61N1/0558A61N1/0573
    • A device for positioning an electrode in tissue includes: a lead body having a distal portion; an electrode array coupled to the lead distal portion; an anchoring element having an anchor tip and being operable in a first configuration in which the anchor tip is retracted within the lead and in a second configuration in which the anchor tip is extended outside the lead and configured to fixate within the tissue; and a displacement mechanism that is actuated to bias the electrode array or the anchoring element toward the tissue. A method for positioning an electrode in tissue includes: navigating, to the tissue, a lead with an electrode array, an anchoring element with a distal anchor tip, and a displacement mechanism; biasing the electrode array and anchoring element towards the tissue with the displacement mechanism; and deploying the anchoring element, and verifying fixation of the anchor tip within the tissue.
    • 用于将电极定位在组织中的装置包括:具有远端部分的引线主体; 耦合到所述引线远端部分的电极阵列; 锚固元件具有锚定尖端并且可以在第一构造中操作,其中锚定尖端在引线内缩回,并且在第二构造中,锚固尖端延伸到引线外部并且被配置为固定在组织内; 以及被致动以将电极阵列或锚定元件偏向组织的位移机构。 用于将电极定位在组织中的方法包括:向组织导航具有电极阵列的引线,具有远侧锚固尖端的锚固元件和位移机构; 用移位机构将电极阵列和锚固元件偏压到组织; 并且展开该锚定元件,以及验证锚固头在组织内的固定。