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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0633668 (1996-04-17) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 725 인용 특허 : 0 |
An improved surgical stapler having first and second pivotally interconnected structural members each including a handle portion and a jaw portion. The structural members are pivotally movable between a closed position wherein their jaw portions are in a closely spaced relationship to an open positi
An improved surgical stapler having first and second pivotally interconnected structural members each including a handle portion and a jaw portion. The structural members are pivotally movable between a closed position wherein their jaw portions are in a closely spaced relationship to an open position wherein their jaw portions are spaced apart a substantial distance. A locking member is pivotally connected to one of the structural members for pivotal movement between a first position wherein the locking member is generally aligned with the structural member and a second position wherein the free end of the locking member is spaced apart from the outboard end of the structural member. When actuated, the locking member functions to forcefully move the structural members toward a closed position so that the tissue to be stapled can be securely clamped between the jaw portions of the instrument. A staple cartridge of novel design is removably connected to one of the first and second structural members and contains a plurality of staples for stapling together tissue disposed between the jaw portions of the instrument. A novel jaw stabilizing element is provided either on the staple cartridge or on the disposable anvil of the device for insuring proper spacing between the handle portions of the instrument and in this way functions to maintain optimum jaw closure for every tissue thickness by restricting the undesirable bending of the handle portions as the tissue to be stapled is compressed between the jaw portions.
[ We claim:] [1.] A surgical stapler comprising:(a) first and second structural members each having:(i) a handle portion having first and second ends;(ii) a jaw portion having first and second ends; and(iii) pivot means located proximate said second ends of said handle portions for free engagement a
[ We claim:] [1.] A surgical stapler comprising:(a) first and second structural members each having:(i) a handle portion having first and second ends;(ii) a jaw portion having first and second ends; and(iii) pivot means located proximate said second ends of said handle portions for free engagement and disengagement, said pivot means, when engaged, permitting pivotal movement of said structural members between a closed position wherein said jaw portions are in a closely spaced relationship to an open position wherein said jaw portions are spaced further apart;(b) a locking member having first and second ends, said locking member being pivotally connected to said first structural member for pivotal movement relative thereto between a first position wherein said locking member is generally aligned with said first structural member and a second position wherein said second end of said locking member is spaced apart from said second end of said first structural member, said locking member being engageable with said second structural member and functioning upon movement from said second position toward said first position to forcefully move said first and second structural members toward said closed position;(c) stapling means, including a staple cartridge carrying a plurality of staples, removably connected to one of said first and second structural members, for stapling together tissue disposed between said jaw portions of said structural members as said structural members are moved into said closed position;(d) anvil means connected to the other of said first and second structural members for forming said staples carried by said staple cartridge; and(e) jaw stabilizer means for restricting bending of said handle portions of said structural members as the tissue disposed between said jaw portions thereof is compressed as a result of said structural members moving toward said closed position, said jaw stabilizer means being connected to one of said stapling means and said anvil means and comprising a spacer segment being disposed intermediate said handle portions of said structural members as said structural members move toward said closed position.
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