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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0134239 (1993-10-08) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 958 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 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 means 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 means for disabling the actuation system after a cartridge has been fired and means for identifying a cartridge member having firing characteristics compatible with the pneumatic actuation system.
A surgical apparatus for driving surgical fasteners comprising: a) a frame portion; b) an elongated body portion extending 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 plur
A surgical apparatus for driving surgical fasteners comprising: a) a frame portion; b) an elongated body portion extending 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; and ii) an anvil member mounted adjacent said cartridge member against which fasteners ejected from said cartridge member are driven; d) fastener ejection means actuable from said frame portion for ejecting said plurality of surgical fasteners from said cartridge assembly; e) a pneumatic actuation system disposed within said frame portion and operatively associated with said fastener ejection means; f) a trigger operatively associated with said frame portion for actuating said pneumatic actuation system; and g) counter means for indicating to a user the number of times said pneumatic actuation system may be operated, said counter means being adapted and configured to inhibit the actuation of said trigger after said apparatus has been operated a predetermined number of times. 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; and ii) 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 assembly; e) a pneumatic actuation system disposed within said frame portion and operatively associated with said fastener ejection means, said pneumatic actuation system including a longitudinally translating piston member; and f) counter means for indicating to a user the number of times said pneumatic actuation system may be operated, said counter means being configured to interact with said piston member as said piston member translates longitudinally within said frame portion; g) means operatively associated with said counter means for inhibiting the operation of said pneumatic actuation system after said apparatus has been operated a predetermined number of times.
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