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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0724145 (1996-09-30) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 663 인용 특허 : 76 |
A surgical stapler instrument is disclosed for applying linear parallel rows of staples through compressed living tissue having a replaceable anvil. The stapler has a mechanism for (a) preventing the jaws from being clamped on tissue, and/or (b) preventing the stapler from being fired if the anvil h
A surgical stapler instrument is disclosed for applying linear parallel rows of staples through compressed living tissue having a replaceable anvil. The stapler has a mechanism for (a) preventing the jaws from being clamped on tissue, and/or (b) preventing the stapler from being fired if the anvil has been removed. In one aspect, the surgical stapler includes a replaceable anvil having specially shaped surfaces for forming staples, and cartridge and anvil retention portions. The cartridge and anvil retention portions are relatively moveable between a closed position in which the cartridge and anvil retention portions are in closely spaced relationship for clamping tissue to be stapled therebetween and an open position in which the cartridge and anvil retention portions are spaced farther from each other than in the closed position. The stapler also includes a cartridge housing for enclosing staples, and a firing assembly for firing the staples that is moveable between a pre-fired and a fired position.
[ What is claimed is:] [1.] A surgical stapler comprising:(a) a replaceable anvil having specially shaped surfaces for forming staples;(b) a cartridge retention portion and an anvil retention portion for receiving said replaceable anvil, said cartridge retention portion and said anvil retention port
[ What is claimed is:] [1.] A surgical stapler comprising:(a) a replaceable anvil having specially shaped surfaces for forming staples;(b) a cartridge retention portion and an anvil retention portion for receiving said replaceable anvil, said cartridge retention portion and said anvil retention portion being relatively movable between a closed position in which said cartridge retention portion and said anvil retention portion are in closely spaced relationship for clamping tissue to be stapled therebetween and an open position in which said cartridge retention portion and said anvil retention portion are spaced farther from each other than in the closed position;(c) a cartridge housing for enclosing staples, said cartridge retention portion being adapted to receive said cartridge housing;(d) a firing assembly for firing staples, said firing assembly being movable between a pre-fired and a fired position;(e) a blocking member;(f) means mounting said blocking member for pivotal movement between a free-movement position, which affords movement of said firing assembly between the pre-fired and fired positions, and a blocking position which prevents said firing assembly from being moved from said pre-fired to said fired position; and(g) said blocking member including a first surface for engaging said replaceable anvil to move said blocking member from said blocking position to said free-movement position when said replaceable anvil is received on said anvil retention portion and a second surface for engaging said firing assembly in said pre-fired position to prevent movement thereof toward said fired position when said blocking member is in said blocking position.
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