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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0949685 (1992-09-23) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 701 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 a frame portion, an elongated portion extending from the frame portion, and an articulating cartridge assembly mounted to a distal end of th
A self contained gas powered endoscopic surgical apparatus is provided for placing lateral lines of surgical fasteners into body tissue. The apparatus includes a frame portion, an elongated portion extending from the frame portion, and an articulating cartridge assembly mounted to a distal end of the elongated portion. An anvil member is operatively associated with the articulating cartridge assembly and has a forming surface thereon against which surgical fasteners are driven as they are ejected from the cartridge assembly. A collar which is provided in the elongated portion translates longitudinally to draw a cable which operates to move the anvil member relative to the cartridge assembly, thereby clamping body tissue to be fastened. A self contained pneumatic system is associated with the frame portion and is actuable to eject the surgical fasteners from the cartridge assembly. A linkage mechanism is also provided for effectuating the articulation of the cartridge assembly to increase the range of operability of the apparatus.
Apparatus for driving surgical fasteners comprising: a) a frame portion; b) a body portion extending from said frame portion; c) a cartridge assembly including: i) a proximal cartridge mounting portion maintained in a distal end portion of said body portion and defining a longitudinal axis extending
Apparatus for driving surgical fasteners comprising: a) a frame portion; b) a body portion extending from said frame portion; c) a cartridge assembly including: i) a proximal cartridge mounting portion maintained in a distal end portion of said body portion and defining a longitudinal axis extending therethrough; and ii) a distal cartridge housing portion movably connected to said proximal cartridge mounting portion on a pivot axis in alignment with and transverse to said longitudinal axis and having a tissue engaging surface thereon; d) articulation means associated with said body portion and actuable from said frame portion for moving said distal cartridge housing portion relative to said proximal cartridge mounting portion about said pivot axis; e) an anvil member having a fastener forming surface thereon, said anvil member mounted relative to said cartridge housing portion of said cartridge assembly so as to be movable between an open position wherein said fastener forming surface is spaced from said tissue engaging surface and a closed position wherein said fastener forming surface in is close cooperative alignment with said tissue engaging surface of said cartridge housing portion; f) means associated with said body portion for moving said anvil member between said open position and said closed position; and g) means for ejecting said surgical fasteners from said cartridge housing portion of said cartridge assembly, whereby said fasteners form against said fastener forming surface of said anvil member.
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