APPARATUS FOR PERFORMING TRANS-ANAL RESECTION

摘要

A surgical instrument adapted for applying a plurality of surgical fasteners to body tissue includes a frame having a proximal end and a distal end, with a handle positioned at the proximal end and an end effector positioned at the distal end. The end effector is shaped and dimensioned for supporting a cartridge module. A firing mechanism is associated with the end effector and the cartridge module for selective actuation. The end effector has a radius of curvature optimized for a trans- anal resection such that the end effector has a curvature of at most approximatel y a 40 mm diameter.