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Operating instrument

一种手术器械、超声波的技术，应用在手术器械领域，能够解决很难流过高频电流、树脂电阻高、阻碍电刀动作等问题

Active Publication Date: 2010-05-19
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the resistance of the resin is high, it is difficult to flow a high-frequency current, and there is a problem that it hinders the operation as an electric knife.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. figure 1 It is an explanatory diagram showing the ultrasonic surgical scissors with electrocautery as the surgical instrument according to the first embodiment of the present invention. also, figure 2 is to include figure 1 A block diagram of the overall structure of the surgical instrument system in .

[0022] First, refer to figure 2 , to describe the overall structure of the system.

[0023] The ultrasonic surgical scissors 4 with electric knife are connected to the ultrasonic output device 2 through the ultrasonic cable 3 . An ultrasonic foot switch 1 is connected to the ultrasonic output device 2 . The ultrasonic foot switch 1 sends on / off (ON / OFF) instructions of the ultrasonic output to the ultrasonic output device 2 according to the user's operation. The ultrasonic output device 2 generates ultrasonic output according to the ON / OFF instruction se...

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Abstract

The invention provides an operating instrument comprising an ultrasonic oscillator generating an ultrasonic oscillation, an ultrasonic probe for transmitting an ultrasonic oscillation generated from the ultrasonic oscillator to the distal end, a grasping member arranged to move to the proximity position and the separated position with respect to the distal end of the ultrasonic probe such that theliving body tissue of an object can be grasped between the grasping member and the distal end of the ultrasonic probe, a conductive member provided in the grasping member and composed of a conductivemember for supplying a high frequency current to the living body tissue, and a nonconductive member provided in the grasping member between the conductive member and the ultrasonic probe and composedof a nonconductive member formed to block contact of the conductive member with the ultrasonic probe and to partially expose one surface of the conductive member on the ultrasonic probe side, whereina high frequency current can be delivered effectively to the living body tissue.

Description

technical field [0001] The present invention relates to a surgical instrument capable of performing treatment with high-frequency current in addition to the treatment of resection or coagulation of living tissue using ultrasonic vibration. Background technique [0002] Surgical instruments have been developed in which, by inserting a long and thin insertion portion into a body cavity, various treatments can be performed under endoscopic observation by using an endoscope for observing internal organs of the body cavity, etc., as required. [0003] For example, Japanese Patent Application Laid-Open No. 2004-216180 (hereinafter referred to as Document 1) discloses a combination of an ultrasonic coagulation and incision device and an electric knife. With regard to the device in Document 1, the treatment part is composed of a clamping member and a probe, and the tissue is clamped by the two components and ultrasonically vibrated by the probe, thereby coagulating and incising the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B18/00A61B18/12
CPCA61B17/320092A61B18/1442A61B2017/320095
Inventor 高桥裕之
Owner OLYMPUS CORP
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