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    • 7. 发明授权
    • Electrosurgical device
    • 电外科装置
    • US06607529B1
    • 2003-08-19
    • US08492272
    • 1995-06-19
    • Christopher Scott JonesPhillip R. SommerJames Allen Baker, Jr.
    • Christopher Scott JonesPhillip R. SommerJames Allen Baker, Jr.
    • A61B1818
    • A61B18/1485A61B18/1477A61B18/1482
    • An electrosurgical device comprising an elongate probe member having proximal and distal extremities and a passage extending from the proximal extremity to an opening at the distal extremity. The elongate probe member is provided with an elongate cutout adjacent the opening so that the elongate probe member is formed with an elongate extension projecting alongside the cutout beyond the opening. A guide canula is mounted in the passage of the elongate probe member and has proximal and distal extremities and a lumen extending therethrough. A radio frequency electrode is disposed in the lumen and an insulating sleeve is coaxially disposed on the radio frequency electrode. A handle is secured to the proximal extremity of the guide canula for advancing and retracting the radio frequency electrode and the insulating sleeve with respect to the guide canula and for causing bending of the distal extremity of the guide cannula into the cutout. The extension of the elongate probe member provides support to the guide cannula against the force of the radio frequency electrode engaging the tissue. A method for using the device is provided.
    • 一种电外科装置,包括具有近端和远端的细长探针构件和从近端延伸到远侧末端的开口的通道。 细长探针构件设置有与开口相邻的细长切口,使得细长的探针构件形成有在切口外侧突出突出的细长延伸部。 引导槽安装在细长探针构件的通道中并且具有近端和远端以及延伸穿过其中的内腔。 射频电极设置在内腔中,绝缘套管同轴地布置在射频电极上。 手柄固定到导向槽的近端,用于使射频电极和绝缘套相对于导向槽伸出和缩回,并使引导套管的远端部弯曲到切口中。 细长探针构件的延伸部抵抗接合组织的射频电极的力而向引导套管提供支撑。 提供了一种使用该装置的方法。
    • 8. 发明授权
    • Medical device with trigger actuation assembly
    • 带触发器组件的医疗设备
    • US5849011A
    • 1998-12-15
    • US588452
    • 1996-01-18
    • Christopher Scott JonesPhillip R. SommerJames Allen Baker, Jr.
    • Christopher Scott JonesPhillip R. SommerJames Allen Baker, Jr.
    • A61B18/14A61B17/39
    • A61B18/1485A61B18/1477A61B18/1482
    • An electrosurgical device for medical treatment of tissue at a treatment site through a body opening. The device includes a sheath having proximal and distal extremities and having a passageway extending from the proximal extremity to the distal extremity. A guide tube is slidably mounted in the passageway of the sheath and has proximal and distal extremities and a lumen extending from the proximal extremity to the distal extremity. A needle electrode is slidably mounted in the lumen of the guide tube and has proximal and distal extremities. Insulation is coaxially disposed on the needle electrode. A handle adapted to be gripped by the human hand is provided and the proximal extremity of the guide tube is mounted on the handle. An assembly is carried by the handle for bending the distal extremity of the guide tube at an angle with respect to the longitudinal axis. The needle electrode is adapted to be coupled to an energy source. A single actuation element is carried by the handle and coupled to the needle electrode and the insulation. The actuation element is movable in a single stroke from a first position in which the needle electrode and the insulation are disposed within the guide tube and a second position in which the needle electrode and the insulation are disposed in the tissue at the treatment site. A method for using the device is provided.
    • 一种用于通过身体开口在治疗部位处理组织的电外科装置。 该装置包括具有近端和远端的护套,并且具有从近端延伸到远端的通道。 引导管可滑动地安装在护套的通道中并且具有近端和远端以及从近端延伸到远端的内腔。 针电极可滑动地安装在导管的内腔中并且具有近端和远端。 绝缘同轴地设置在针电极上。 提供适于被人的手抓住的手柄,并且引导管的近端被安装在手柄上。 手柄承载组件,用于相对于纵向轴线成一定角度弯曲导向管的远端。 针状电极适于耦合到能量源。 单个致动元件由手柄承载并联接到针电极和绝缘体。 致动元件可以从其中针状电极和绝缘体设置在引导管内的第一位置和第二位置在单个行程中移动,其中针状电极和绝缘体设置在处理部位的组织中。 提供了一种使用该装置的方法。