[특허]Endoscopic grasping tool surgical instrument

[미국특허] Endoscopic grasping tool surgical instrument 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/28
출원번호	US-0848332 (1992-03-09)
발명자 / 주소	Sharpe Leslie A. (Edina MN) Peterson Francis C. (Prescott WI)
출원인 / 주소	Sharpe Endosurgical Corporation (Minneapolis MN 02)
인용정보	피인용 횟수 : 73 인용 특허 : 0

초록

The present invention is directed to an endoscopic grasping tool for use inside a patient. As the distal tips of the jaws come together they form a pivot point for continued jaw closure increasing the grasping force of the jaws.

대표청구항 ▼

An endoscopic grasping tool surgical instrument comprising: a control handle; a tubular sheath coupled to said control handle; a connector rod coupled to said control handle, and adapted for reciprocating motion within said tubular sheath in response to control handle motion; a first jaw arm, having a first jaw member; said first jaw member having a first jaw face, said first jaw face defining a first jaw face plane; a second jaw arm, having a second jaw member; said second jaw member having a second jaw face, said second jaw face defining a second jaw face plane; said first and second jaw arms being coupled to said connector rod, and adapted to be moved to an open position by motion of said connector rod, and adapted to be moved to a closed position, by motion of said connector rod, said closed position defined by said first jaw face in substantial conformity with said second jaw face; said first jaw member having a distal first tip; said second jaw member having a distal second tip; said first distal tip being aligned with said second distal tip such that motion of said connector rod moves said first distal tip toward said second distal tip, establishing proximate contact between said first distal tip and said second distal tip, and thereby defining a jaw closure pivot point with said first jaw face plane and said second jaw face plane forming an acute angle with said jaw closure pivot point; and whereby, continued motion of said first jaw member and said second jaw member toward said closed position causes said first jaw member and said second jaw member to close by rotational motion about said jaw closure pivot point.

이 특허를 인용한 특허 (73) 인용/피인용 타임라인 분석

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[미국특허] Endoscopic grasping tool surgical instrument 원문보기

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