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
CN101180002BActive Publication Date: 2010-05-19OLYMPUS CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
OLYMPUS CORP
Publication Date
2010-05-19

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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.
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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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