Self contained gas powered surgical apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 15, 1994
Issued Date -
N/A
app pub date -
Oct 1, 1993
filing date -
Oct 18, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A self contained gas powered endoscopic surgical apparatus is provided 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 mechanism for preventing the premature actuation of the pneumatic system during shipment of the instrument. A mechanism for frictionally engaging body tissue inserted between the anvil member and the cartridge is also provided. In addition, a mechanism for inhibiting external exposure of a tissue cutting structure is provided.
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