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    • 15. 发明授权
    • Resectoscope apparatus
    • 电镜仪
    • US5007907A
    • 1991-04-16
    • US254741
    • 1988-10-07
    • Shinichi NishigakiShiro Bito
    • Shinichi NishigakiShiro Bito
    • A61B17/00A61B17/42A61B18/14
    • A61B18/149A61B2017/00274A61B2017/4216A61B2018/00547
    • The resectoscope apparatus comprises an elongate hollow sheath to be inserted into a body cavity, an electrode inserted through the sheath to make such treatments as of resecting and coagulating tissues within the body cavity by using a high frequency current, an operating part which can operate the electrode from outside the body, a cord for feeding a high frequency current to the electrode from a high frequency current source and an optical sighting tube inserted through the sheath and having an optical system which can observe the body cavity interior and the electrode is made integral at least on the rear end side with the cord. For example, the electrode has a shaft part connected at the rear end to the above mentioned operating part and inserted through the sheath and a tip electrode part provided at the tip of the shaft part and projected and retracted from the sheath tip. The operating part has a connecting part removably connectable to the sheath at the rear end and a slider connected with the electrode shaft part at the rear end and slidable in the axial direction. The resectoscope apparatus further comprises, for example, a connecting apparatus mechanically and removably connecting the electrode shaft part at the rear end to the slider.
    • 截面镜装置包括插入体腔的细长的中空护套,通过护套插入的电极,通过使用高频电流进行切除和凝固体腔内的组织的处理,操作部件 电极从身体外部,用于从高频电流源向电极供给高频电流的线和通过护套插入的具有光学系统的光学系统,其可以观察体腔内部和电极成为积分 至少在后端侧用电线。 例如,电极具有在后端连接到上述操作部分并且插入穿过护套的轴部分,以及设置在轴部分的尖端处并从鞘尖端突出和缩回的尖端电极部分。 操作部具有可拆卸地连接到后端的护套的连接部分和在后端处与电极轴部分连接并且可沿轴向滑动的滑块。 该剖视镜装置还包括例如将后端的电极轴部分机械地可移除地连接到滑块的连接装置。
    • 18. 发明授权
    • Resectoscope apparatus
    • 电镜仪
    • US4994062A
    • 1991-02-19
    • US355270
    • 1989-05-22
    • Shinichi NishigakiShiro Bito
    • Shinichi NishigakiShiro Bito
    • A61B1/00A61B1/303A61B1/307A61B1/31A61B18/14A61M3/02
    • A61B18/149A61M3/0279
    • The resectoscope apparatus of this invention comprises an elongate hollow sheath to be inserted into a body cavity, an electrode inserted through the sheath and resecting or coagulating tissues within the body cavity by using a high frequency current, an endoscope insertable part inserted through the sheath and having an optical system making the body cavity interior observable and an operating part having a guide tube part through which the endoscope insertable part is inserted and a sheath connecting part connected to the base end part of the sheath and making the electrode operatable from outside the body. At least one of the guide tube part and sheath connecting part is formed of an electric insulating material for electric insulation.
    • 本发明的截面镜装置包括:插入体腔的细长中空护套,通过护套插入的电极,通过使用高频电流切除或凝固体腔内的组织;插入穿过护套的内窥镜可插入部分;以及 具有使体腔内部可观察到的光学系统,以及具有插入内窥镜插入部的引导管部的操作部以及与护套的基端部连接的护套连接部, 。 导管部和护套连接部中的至少一个由电绝缘用电绝缘材料形成。