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1. 发明授权

US07273488B2 High-rigidity forceps tip assembly for active forceps and active forceps equipped with the same 失效
标题翻译：用于活动镊子的高刚性镊子头组件和配备有活镊子的活动镊子
公开(公告)号：US07273488B2
公开(公告)日：2007-09-25
申请号：US10455355
申请日：2003-06-06
申请人： Yoshihiko Nakamura , Masafumi Okada , Shingo Chiyoda
发明人： Yoshihiko Nakamura , Masafumi Okada , Shingo Chiyoda
IPC分类号： B25J17/02 , A61B17/28
CPC分类号： A61B34/70 , A61B2017/2927 , A61B2034/304 , Y10T74/20329 , Y10T74/20335
摘要： Provided is a forceps tip assembly capable of supporting a forceps tip with high rigidity in order to realize a laparoscopic surgery requiring a significant power with the forceps tip, such as an organ removal surgery which has been heretofore difficult to be performed by a robot for medical use. The forceps tip assembly includes: a forceps tip supporting member which has a supporting part for supporting a forceps tip and three leg parts which are disposed at even intervals in a circumferential direction around a central axis line C1 and fixed to the supporting part so as to protrude backward from the supporting part; and three back-and-forth moving members which are disposed at even intervals in a circumferential direction around a predetermined central axis line C2 extending in a front-to-rear direction, which have their front end portions coupled with the three leg pads swingably and slidably in a direction orthogonal to the predetermined central axis line C2 and which are mutually coupled together as relatively movable in the extending direction of central axis line C2.
摘要翻译：提供了能够以高刚性支撑镊子尖端的钳子尖端组件，以便实现需要镊子尖端的显着功率的腹腔镜手术，例如迄今为止难以由机器人进行医疗的器官移除手术使用。镊子尖端组件包括：钳子尖端支撑构件，其具有用于支撑钳子尖端的支撑部分和三个腿部部件，其围绕中心轴线C 1在圆周方向上以均匀间隔设置并固定到支撑部分，以便从支撑部向后方突出; 以及三个前后移动构件，其围绕围绕前后方向延伸的预定中心轴线C 2沿圆周方向以均匀间隔设置，其前端部与三个脚垫可摆动地连接并且在与预定的中心轴线C 2正交的方向上可滑动地相互耦合在一起，可在中心轴线C 2的延伸方向上相对移动。

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