[특허]Shielded monopolar electrosurgical apparatus

Shielded monopolar electrosurgical apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/36
출원번호	US-0678406 (1996-07-02)
발명자 / 주소	Yanik Gary W.
대리인 / 주소	McHale & Slavin
인용정보	피인용 횟수 : 101 인용 특허 : 0

초록 ▼

The instant invention is a shielded monopolar electrosurgical instrument for use in laparoscopic and the like surgical procedures. The instrument consists of a rigid outer metallic shield which operates as a conductive coaxial shield and is connected to a patient return electrode of an electrosurgical generator. The use of a coaxial shield coupled to the patient return electrode on the outer surface of the instrument eliminates the need for an outer insulative coating. The shield houses a conductive wire positioned through the center of the shield which is coupled to the active lead from the electrosurgical generator. Between the wire and the shield is placed an insulating sleeve. The tip of the instrument is interchangeable and the instrument may be used in conjunction with a form fitting handle providing the surgeon with finger holes in order to apply pressure to the instrument for operation of grasping items when such a tip is employed.

대표청구항 ▼

[ What is claimed is:] [1.] An electrosurgical apparatus comprising: a hollow elongated housing constructed from a conductive material and defined by a proximal end and a distal end forming an interior chamber therebetween, said proximal end adapted for releasable coupling to a patient return electrode of an electrosurgical generator; an active electrode disposed within said chamber having a first end adapted for coupling to an active lead on said electrosurgical generator and a second end forming an exposed surgical tool for effecting at a tip of said tool an electrosurgical procedure; a means for electrically isolating said active electrode from said housing; a first handle electrically coupled to said housing and pivotally connected to a second insulated handle for support of said active electrode, said handles operatively associated with said active electrode for controlling longitudinal movement of said surgical tool; wherein said housing is adapted to be at the same potential as said patient return electrode when said housing is connected to the return electrode of the electrosurgical generator and whereby said active electrode is available for electrosurgery procedures and is electrically isolated from said housing.

이 특허를 인용한 특허 (101)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Shielded monopolar electrosurgical apparatus 원문보기

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Shielded monopolar electrosurgical apparatus 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (101)

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