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    • 7. 发明授权
    • Tissue welding and cutting apparatus and method
    • 组织焊接和切割设备及方法
    • US08197472B2
    • 2012-06-12
    • US11090750
    • 2005-03-25
    • Liming LauArnold M. EscanoJerry JarrardSamuel HoRyan C. AbbottArthur M. LinJesse McQuistonKelly L. Dang
    • Liming LauArnold M. EscanoJerry JarrardSamuel HoRyan C. AbbottArthur M. LinJesse McQuistonKelly L. Dang
    • A61B18/04
    • A61B18/085A61B17/29A61B18/1445A61B90/03A61B2017/00084A61B2017/00353A61B2017/00504A61B2017/2912A61B2017/2936A61B2017/2945A61B2017/3445A61B2018/1432
    • A surgical apparatus and methods for severing and welding tissue, in particular blood vessels. The apparatus includes an elongated shaft having a pair of relatively movable jaws at a distal end thereof. A first heating element on one of the jaws is adapted to heat up to a first temperature and form a welded region within the tissue, while a second heating element on one of the jaws is adapted to heat up to a second temperature and sever the tissue within the welded region. The first and second heating elements may be provided on the same or opposite jaws. A control handle provided on the proximal end of the elongated shaft includes controls for opening and closing the jaws, and may include an actuator for sending current through the first and second heating elements. The first and second heating elements may be electrically connected in series, and the first heating element may be bifurcated such that it conducts about one half of the current as the second heating element. A force-limiting mechanism provided either within the control handle, in the elongated shaft, or at the jaws limits the pressure applied to the tissue by the jaws to ensure that the tissue is severed and the ends effectively welded within a short amount of time.
    • 用于切断和焊接组织,特别是血管的手术设备和方法。 该装置包括细长轴,其在其远端具有一对相对可动的钳口。 其中一个钳口上的第一加热元件适于加热至第一温度并在组织内形成焊接区域,而其中一个钳口上的第二加热元件适于加热至第二温度并切断组织 在焊接区域内。 第一和第二加热元件可以设置在相同或相对的夹爪上。 设置在细长轴的近端的控制手柄包括用于打开和关闭钳口的控制器,并且可以包括用于通过第一和第二加热元件发送电流的致动器。 第一和第二加热元件可以串联电连接,并且第一加热元件可以分叉,使得其作为第二加热元件传导大约电流的一半。 设置在控制手柄,细长轴或钳口内的力限制机构限制由钳口施加到组织上的压力,以确保组织被切断并且端部在短时间内有效地焊接。
    • 10. 发明授权
    • Systems and methods for performing simultaneous ablation
    • 同时进行消融的系统和方法
    • US07549986B2
    • 2009-06-23
    • US12033262
    • 2008-02-19
    • Robert F. RiouxRobert GarabedianJerry Jarrard
    • Robert F. RiouxRobert GarabedianJerry Jarrard
    • A61B18/18A61B18/14
    • A61B18/148A61B18/1206A61B2018/00702A61B2018/00875A61B2018/143A61B2018/1475
    • A system for treating tissue includes first and second ablation devices each including a plurality of wire electrodes and coupled to a generator in parallel. In one embodiment, the generator includes first and second terminals coupled in parallel to one another, and the first and second ablation devices are connected to the first and second terminals, respectively. Alternatively, the first and second ablation devices are coupled to a single terminal of the generator using a “Y” cable. A ground electrode is coupled to the generator opposite the first and second ablation devices for monopolar operation. The first and second arrays of electrodes are inserted into first and second sites adjacent one another within a tissue region. Energy is simultaneously delivered to the first and second arrays to generate lesions at the first and second sites preferably such that the first and second lesions overlap.
    • 用于治疗组织的系统包括第一和第二消融装置,每个消融装置包括多个线电极并且并联耦合到发生器。 在一个实施例中,发生器包括彼此并联耦合的第一和第二端子,并且第一和第二消融装置分别连接到第一和第二端子。 或者,第一和第二消融装置使用“Y”电缆耦合到发生器的单个端子。 接地电极与第一和第二消融装置相对的发生器耦合,用于单极操作。 第一和第二电极阵列插入在组织区域内彼此相邻的第一和第二位置。 能量同时传送到第一和第二阵列以在第一和第二部位产生损伤,优选地使得第一和第二病变重叠。