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[미국특허] Universal seal for trocar assembly 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A61M-029/02
출원번호 US-0781026 (1991-10-18)
발명자 / 주소
  • Stephens Randy R. (Fairfield OH) Collins John M. (Ipswich) Farra Robert (Leominster MA) Pichon Dean (Concord MA)
출원인 / 주소
  • Ethicon, Inc. (NJ 02)
인용정보 피인용 횟수 : 267  인용 특허 : 0

초록

Trocar assembly devices are disclosed that include an improved seal assembly that accommodates instruments having a wide range of diameters. The seal assembly includes a universal seal member that is generally of hourglass shape defining converging and diverging side walls that form a constricted ce

대표청구항

A trocar assembly for providing communication into an anatomical cavity, comprising: (a) a trocar tube defining an interior lumen having an open distal end portion and an open proximal end portion for accommodating axial reciprocation of an elongate implement of lesser cross-sectional dimension ther

이 특허를 인용한 특허 (267) 인용/피인용 타임라인 분석

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