A surgical stapler including a stapling assembly, an actuator assembly remote from the stapling assembly, and a longitudinal shaft assembly having a longitudinally curved section for connecting the actuator assembly to the stapling assembly and for transmitting the forces and motions required to operate...http://www.google.fr/patents/US4576167?utm_source=gb-gplus-shareBrevet US4576167 - Surgical stapler apparatus with curved shaft
