Knife retraction arm for a curved cutter stapler

Details Knife retraction arm for a curved cutter stapler Knife retraction arm for a curved cutter stapler

A - Human Necessities

61

B

A61B 17/068 (2006.01) A61B 17/072 (2006.01) A61B 17/32 (2006.01) A61B 17/00 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2491767

A surgical instrument adapted for applying a plurality of surgical fasteners to body tissue is provided, comprising a frame having a proximal handle and a distal end effector that is shaped and dimensioned for supporting a cartridge housing and an anvil which are movable relative to one another. The cartridge housing includes a knife structure adapted for cutting tissue by moving between the cartridge housing and the anvil. A firing mechanism is associated with the end effector and the cartridge housing for selective actuation. The knife structure includes a knife and a knife holder, and the knife holder is located on a proximal end of the knife opposite to a cutting edge of the knife. The firing mechanism includes a knife retraction hook having a hook that faces upward to receive the knife holder as the cartridge housing is loaded into the end effector of the linear surgical stapler.

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