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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0510254 (1995-08-02) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 786 인용 특허 : 50 |
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 mechanism 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 surgical apparatus comprising: (a) a support member and a camming member movably mounted with respect to the support member, the camming member defining an opening at a distal end thereof; (b) a lockout member movable mounted with respect to said support member; (c) an assembly including a camming
A surgical apparatus comprising: (a) a support member and a camming member movably mounted with respect to the support member, the camming member defining an opening at a distal end thereof; (b) a lockout member movable mounted with respect to said support member; (c) an assembly including a camming face, the camming face being dimensioned for insertion through the opening in the distal end of the camming member; (d) wherein the lockout member releasably engages the camming member so as to limit movement of the camming member with respect to the support member; and (e) further wherein upon insertion of the assembly through the opening of the camming member, the lockout member is disengaged from the camming member, thereby freeing the camming member for movement with respect to the support member.
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