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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0034234 (1993-03-22) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 792 인용 특허 : 0 |
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 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 member for preventing approximation of the anvil member and the cartridge. In one embodiment a clamping interlock is shown which prevents approximation of the jaws when the jaws are either misaligned or improperly inserted into the instrument. In a second embodiment a clamping interlock is shown which directly engages the tubular collar preventing approximation of the jaws when a cartridge member is not fully inserted. In a third embodiment a clamping interlock is shown which directly engages the tubular collar when an unfired cartridge is not present or properly inserted into the instrument.
A lockout mechanism for use with a surgical instrument having a frame portion, an elongated portion extending distally from the frame portion, a first and second jaw mounted with respect to the elongated portion, at least one of which is adapted for detachable engagement with the elongated portion,
A lockout mechanism for use with a surgical instrument having a frame portion, an elongated portion extending distally from the frame portion, a first and second jaw mounted with respect to the elongated portion, at least one of which is adapted for detachable engagement with the elongated portion, and means for approximating the jaws, said lockout mechanism comprising: a latch member pivotally mounted on a distal end of the elongated portion, said latch member having a lock member dimensioned and configured to automatically engage and arrest movement of the approximating means when the at least one detachable jaw is not properly engaged with the elongated portion.
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