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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0919968 (1997-08-28) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 918 인용 특허 : 51 |
A self contained gas powered endoscopic surgical apparatus is provided for placing lateral lines of surgical fasteners into body tissue. The apparatus includes an anvil member and a surgical fastener cartridge member mounted to the distal end of an elongated endoscopic portion. A tubular collar of t
A self contained gas powered endoscopic surgical apparatus is provided for placing lateral lines of surgical fasteners into body tissue. The apparatus includes an anvil member and a surgical fastener cartridge member mounted to the distal end of an elongated endoscopic portion. A tubular collar of the endoscopic portion moves distally to engage the anvil member and bias the anvil member and the cartridge member into cooperative alignment thereby clamping body tissue to be fastened between the anvil member and the cartridge member. A self contained pneumatic system is optionally disposed in the surgical apparatus and is actuable to eject and/or form the surgical fasteners in the clamped body tissue. The apparatus further comprises a locking mechanism for preventing firing of the instrument after it has been fired a predetermined number of times. A counter for displaying the number of times the apparatus has been fired may be provided. A firing interlock is also shown which prevents accidental actuation of the firing trigger. A clamping interlock is shown which prevents approximation of the jaws when the jaws are either misaligned or improperly inserted into the instrument. The instrument also includes structure for disabling the actuation system after a cartridge has been fired and structure for identifying a cartridge member having firing characteristics compatible with the pneumatic actuation system.
[ What is claimed is:] [8.] A surgical apparatus for driving surgical fasteners comprising:a) a frame portion;b) an elongated body portion extending distally from said frame portion;c) a fastener applying assembly operatively associated with a distal end portion of said body portion and including:i)
[ What is claimed is:] [8.] A surgical apparatus for driving surgical fasteners comprising:a) a frame portion;b) an elongated body portion extending distally from said frame portion;c) a fastener applying assembly operatively associated with a distal end portion of said body portion and including:i) a cartridge member having a plurality of surgical fasteners disposed therein; andii) an anvil member mounted adjacent said cartridge member against which said fasteners are driven when ejected from said cartridge member;d) fastener ejection means actuable from said frame portion for sequentially ejecting said plurality of surgical fasteners from said cartridge member; ande) stop means for preventing full return of said fastener ejection means after said fasteners have been ejected from said cartridge member, wherein said stop member includes:i) a stop member associated with said elongated body portion; andii) a stop engaging member associated with fastener ejection means such that said stop engaging member engages said stop member after ejection of said plurality of fasteners to prevent full return of said fastener ejection means to a prefired position.
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