Linear stapler with improved firing mechanism

Details Linear stapler with improved firing mechanism Linear stapler with improved firing mechanism

2006-03-01

2008-10-07

Nash, Brian (Department: 3721)

Elongated-member-driving apparatus

Surgical stapler

With magazine

C227S019000, C227S181100

Reexamination Certificate

active

07431190

ABSTRACT:
A surgical stapler comprising including an elongated handle portion having a longitudinal axis extending between a distal end and a proximal end. The stapler includes an end effector disposed at the distal end of the handle having a staple cartridge housing, and an anvil. The end effector has an open position wherein the staple cartridge and the anvil are spaced apart, and a closed position wherein the staple cartridge and anvil are closely adjacent to each other. The stapler also includes an elongated trigger. The distal end of the trigger being pivotably attached to the handle between the handle's distal and proximal end. The trigger has an open position wherein the proximal end of the trigger is spaced apart from the handle, and a closed position wherein the proximal end of the trigger is closely adjacent the handle. The trigger is linked to the end effector such that moving the trigger from its open to its closed position moves the end effector from its open to its closed position. The stapler also includes an actuator for ejecting the plurality of staples from the cartridge towards the anvil. The actuator includes a rotatable knob mounted onto the distal end of the handle, such that progressive rotation of the knob in a predetermined direction progressively ejects the staples.

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