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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0305563 (1999-05-05) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 629 인용 특허 : 2 |
An improved surgical stapling apparatus containing a locking mechanism to prevent reactuation of the apparatus, the locking mechanism comprising a resilient clip having a hook which is engagable with a locking notch on the cam bar retainer. The resilient clip is initially held in a non-engagable pos
An improved surgical stapling apparatus containing a locking mechanism to prevent reactuation of the apparatus, the locking mechanism comprising a resilient clip having a hook which is engagable with a locking notch on the cam bar retainer. The resilient clip is initially held in a non-engagable position by means of a movable chock. When the stapler is actuated for the first time, the cam bar retainer pushes the chock into a subsequent position where the chock no longer blocks the resilient clip. The resilient clip then moves to a position where the hook is engagable with the locking notch. Once the cam bar retainer is retracted it can no longer be reactuated.
[ What is claimed is:] [1.] A surgical stapling apparatus comprising:a cartridge half of a frame;an anvil half of a frame, the stapling apparatus having an assembled configuration wherein the anvil half of a frame is positioned in juxtaposed alignment with the cartridge half of a frame;a replaceable
[ What is claimed is:] [1.] A surgical stapling apparatus comprising:a cartridge half of a frame;an anvil half of a frame, the stapling apparatus having an assembled configuration wherein the anvil half of a frame is positioned in juxtaposed alignment with the cartridge half of a frame;a replaceable cartridge assembly receivable into said cartridge half of a frame, said cartridge assembly having a plurality of surgical staples abutting surgical staple drive members, the cartridge assembly defining slots to receive at least one cam bar;at least one cam bar longitudinally movable through said slots to sequentially engage said surgical staple drive members to urge said drive members in a direction substantially perpendicular to the direction of movement of said at least one cam bar;a cam bar retainer surrounding a portion of said at least one cam bar to align said cam bar for longitudinal movement through said cartridge assembly; anda spring biased hook engageable with said cam bar retainer, said spring biased hook being positioned and configured to prevent reactivation of the surgical stapling apparatus when the stapling apparatus is in the assembled configuration and the cam bar retainer has been displaced longitudinally and returned to adjacent its initial position.
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