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    • 2. 发明授权
    • Treatment device for electrosurgery
    • 电外科治疗装置
    • US08702701B2
    • 2014-04-22
    • US13409434
    • 2012-03-01
    • Keita SuzukiHideki Fujii
    • Keita SuzukiHideki Fujii
    • A61B18/14
    • A61B18/1492A61B18/1445A61B2018/00595A61B2018/1407A61B2018/141A61B2018/1417A61B2018/1422
    • A treatment device for electrosurgery includes a sheath that has a distal end portion and a proximal end portion; a needle-like electrode that has a distal end and a proximal end, is inserted into the sheath such that it is capable of advancing and retracting inside the sheath, and treats a target site at the distal end; a first electrode provided at the distal end of the needle-like electrode and exposed from the sheath; a second electrode fixed with respect to the first electrode at a position separated from the first electrode toward the proximal end; an insulator that insulates the first electrode from the second electrode by being interposed between the first and second electrodes; a first conductive portion that applies a high-frequency current to the first electrode; and a second conductive portion that applies a high-frequency current to the second electrode.
    • 电外科治疗装置包括:护套,其具有前端部和近端部; 具有远端和近端的针状电极被插入护套中,使得其能够在护套内前进和后退,并且在远端处理目标部位; 设置在所述针状电极的前端并从所述鞘露出的第一电极; 在与所述第一电极朝向所述近端分离的位置处相对于所述第一电极固定的第二电极; 绝缘体,其通过插入在所述第一和第二电极之间而将所述第一电极与所述第二电极绝缘; 向所述第一电极施加高频电流的第一导电部; 以及向第二电极施加高频电流的第二导电部。
    • 3. 发明授权
    • Endoscope treatment tool system
    • 内窥镜治疗工具系统
    • US08221305B2
    • 2012-07-17
    • US12105872
    • 2008-04-18
    • Keita Suzuki
    • Keita Suzuki
    • A61B1/00A61M5/178
    • A61B1/018A61B1/00133
    • An endoscope system (1) is provided with a flexible forceps insertion portion (i.e., a treatment tool insertion portion) (6) at whose distal end is provided a forceps distal end portion (i.e., a treatment tool distal end portion) (5) that receives forwards or backwards driving force and opens and closes to grip tissue, a channel (7) through which the forceps insertion portion (6) can be inserted, an insertion/extraction device (8) that inserts or extracts the forceps insertion portion (6) from within the channel (7), and an operating device (10) that supplies forwards or backwards driving force to the forceps distal end portion (5). The insertion/extraction device (8) and the operating device (10) are provided with drive shafts (13) that are driven to pivot by a motor (i.e., pivot drive source) that is fixedly supported inside an operating unit (3), rollers (15) that receive pivot driving force from the drive shafts (13) and are able to pivot so as to move the forceps insertion portion (6) forwards or backwards, and a power transmission device (16) that transmits pivot drive force from the drive shafts 13 to the rollers 15.
    • 内窥镜系统(1)设置有柔性镊子插入部(即,治疗工具插入部)(6),其前端设置有钳子前端部(即治疗工具前端部)(5) 其接收向前或向后的驱动力并且打开和关闭以夹持组织;可以插入镊子插入部分(6)的通道(7);插入或提取镊子插入部分的插入/拔出装置(8) (7)内的操作装置(10),以及向钳子前端部(5)供给向前或向后的驱动力的操作装置(10)。 插入/拔出装置(8)和操作装置(10)设置有驱动轴(13),该驱动轴被固定地支撑在操作单元(3)内的电动机(即,枢转驱动源)驱动枢转, 从所述驱动轴(13)接收枢转驱动力并且能够枢转以使所述镊子插入部分(6)向前或向后移动的传动装置(15)以及将枢转驱动力从 驱动轴13到辊15。
    • 5. 发明授权
    • Endoscope system
    • 内窥镜系统
    • US08002696B2
    • 2011-08-23
    • US11873507
    • 2007-10-17
    • Keita Suzuki
    • Keita Suzuki
    • A61B1/00
    • A61B1/018A61B1/00133
    • An endoscope system has an driving-section for driving an insertion-section having an instrument. The driving-section is supported by a pivoting section rotatively. The driving-section has two rollers facing each other. The insertion-section is disposed between the rollers. The insertion-section is extended or retracted by rotating the rollers if the rollers are disposed with respect to the extension/retraction direction. If the pivoting section is pivoted to be orthogonal to the extension/retraction direction, the insertion-section rotates around its axial line by the rotation of the rollers. By doing this, it is possible to rotate the instrument easily in the endoscope system for extending/retracting the instrument by electric power.
    • 内窥镜系统具有用于驱动具有仪器的插入部的驱动部。 驱动部分由枢转部分旋转地支撑。 驱动部分具有彼此面对的两个辊。 插入部设置在辊之间。 如果辊相对于延伸/缩回方向设置,则通过旋转辊来延伸或缩回插入部分。 如果枢转部分枢转以与延伸/缩回方向正交,则插入部分通过辊的旋转绕其轴线旋转。 通过这样做,可以在内窥镜系统中容易地旋转仪器,以通过电力来延伸/缩回仪器。
    • 8. 发明授权
    • Forceps for endoscope
    • 内窥镜镊子
    • US07316703B2
    • 2008-01-08
    • US10855153
    • 2004-05-27
    • Keita Suzuki
    • Keita Suzuki
    • A61B17/28
    • A61B17/29A61B2017/2927A61B2017/2936A61B2017/2939
    • This invention reduces the amount by which members protrude to the outside of a forceps for endoscope that can perform an oscillating operation, and reduces the amount of contact between an organism and parts other than the surgical instruments, thereby maintaining the visual field of the endoscope. The forceps for endoscope comprises an insertion section that is inserted inside a body cavity, an openable and closable forceps section provided at the tip of the insertion section, and a operation section for controlling the forceps section. The forceps section comprises a first forceps member, and a second forceps member, which faces the first forceps member and can rotate with a first pivotal supporting member as a fulcrum; the second pivotal supporting member supports the first forceps member from vertically above it so that it can rotated freely around an oscillating operation axis member, and is provided between the oscillating operation axis member and an opening-closing operation axis member. A third pivotal supporting member supports the first forceps member from vertically outside, so that it can rotate around the oscillating operation axis member.
    • 本发明能够减少构件伸出到能够进行摆动动作的内窥镜的外侧的外侧的量,并且减少生物体与外科器械以外的部位的接触量,从而维持内窥镜的视野。 用于内窥镜的镊子包括插入在体腔内的插入部分,设置在插入部分的尖端处的可打开和关闭的镊子部分,以及用于控制镊子部分的操作部分。 镊子部分包括第一钳子构件和第二钳子构件,其面向第一钳子构件并且可以以第一枢转支撑构件作为支点旋转; 所述第二枢转支撑构件从所述第一枢转支撑构件垂直地支撑所述第一钳子构件,使得所述第一钳子构件能够围绕摆动操作轴构件自由旋转,并且设置在所述摆动操作轴构件和打开 - 关闭操作轴构件之间。 第三枢转支撑构件从垂直外侧支撑第一镊子构件,使得其可绕摆动操作轴构件旋转。
    • 9. 发明申请
    • Soft bipolar forceps
    • 软双极镊子
    • US20070244480A1
    • 2007-10-18
    • US11731721
    • 2007-03-30
    • Keita Suzuki
    • Keita Suzuki
    • A61B18/14
    • A61B18/1445
    • A soft bipolar forceps includes a long narrow flexible tube; paired forceps pieces that are formed extending in the axial direction, and are mutually insulated and disposed opposite one another; and a support that is disposed to the distal end of the flexible tube and supports the paired forceps pieces to permit relatively free opening and closing thereof; characterized in that a first electrode is disposed to one of the paired forceps pieces, a second electrode is disposed to the other of the paired forceps pieces opposite the first electrode, and a guide part that extends to permits elastic deformation is disposed to the distal end of the first electrode.
    • 软双极镊子包括长的窄的柔性管; 成对的镊子片形成在轴向方向上延伸,并且相互绝缘并相对设置; 以及支撑件,其设置在柔性管的远端并且支撑成对的镊子片以允许相对自由的打开和关闭; 其特征在于,第一电极设置在成对的镊子片之一上,第二电极设置在与第一电极相对的成对镊子中的另一个上,并且延伸以允许弹性变形的引导部分设置在远端 的第一电极。