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1. 发明申请

WO2005086683A3 TIP REINFORCED ELECTROSURGICAL DEVICE 审中-公开
标题翻译：尖端加强电外科装置
公开(公告)号：WO2005086683A3
公开(公告)日：2005-10-27
申请号：PCT/US2005007038
申请日：2005-03-04
申请人： ARTHROCARE CORP , DRBAL VLADIMIR J , DAHLA ROBERT H
发明人： DRBAL VLADIMIR J , DAHLA ROBERT H
IPC分类号： A61B18/14 , A61B18/18
CPC分类号： A61B18/148 , A61B18/14 , A61B2018/0016 , A61B2018/00178 , A61B2018/00625 , A61B2018/1407 , A61B2018/1467 , A61B2018/1472 , A61B2018/1497 , A61B2218/007
摘要： A tip reinforced electrosurgical device for removing tissue from a target site within or on a patient's body includes a shaft having proximal and distal end portions and an active screen electrode on the distal end portion. A return electrode includes arms that are interlocked with the shaft distal end portion. Interlocking features may include dimples, bends, slots, recess, apertures, threads. Adhesives may also be provided to increase the strength of the connection between the tip assembly and the shaft. The electrosurgical probe further includes at least one electrical connector extending through the shaft that connects the active electrode with a high frequency power supply. At least one electrical coupling member such as a ballwire secures the active screen electrode to the shaft distal end and electrically couples the screen electrode to the at least one electrical connector. An aspiration lumen within the shaft having a distal opening coupled to the active electrode may be provided to aspirate fluids and tissue fragments.
摘要翻译：用于从患者体内或患者身体上的目标部位移除组织的尖端增强型电外科装置包括具有近端和远端部分以及远端部分上的有源屏幕电极的轴。返回电极包括与轴远端部分互锁的臂。联锁功能可能包括凹痕，弯曲，槽，凹槽，孔，螺纹。还可以提供粘合剂以增加尖端组件和轴之间的连接强度。电外科探针还包括至少一个延伸穿过轴的电连接器，该连接器将有源电极与高频电源连接。至少一个电连接构件（诸如球线）将有源屏幕电极固定到轴远端并将屏电极电耦合到至少一个电连接器。可以提供具有连接到有源电极的远侧开口的轴内的抽吸腔以抽吸流体和组织碎片。

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