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특허 상세정보

Trocar obturator including a removable knife

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A61B-017/34   
미국특허분류(USC) 606/185
출원번호 US-0663656 (1996-06-14)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 68  인용 특허 : 6
초록

A safety shielded, reusable trocar consisting of a trocar cannula subassembly, a safety shield control mechanism, and a separate obturator subassembly. The trocar cannula subassembly includes an outer cannula attached to a main housing having a central bore in which a spring biased, inner cannula is slidably and removably inserted, and an upper housing, removably secured to the main housing, having a central bore which is aligned longitudinally with the bore of the main housing and in which sealing means is removably secured. The obturator subassembly in...

대표
청구항

An obturator for a trocar, comprising: a shaft; a knife including a protrusion; a fitting coupled to an end of said shaft, said fitting including an opening that includes a substantially circular portion and a slotted portion wherein the diameter of said circular portion is greater than the width of said slotted portion; and a nut mountable onto said fitting, said nut including an opening that includes a substantially circular portion and a slotted portion wherein the diameter of said circular portion is greater than the width of said slotted portion whe...

이 특허를 인용한 특허 피인용횟수: 68

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