A linear surgical stapler adapted for applying a plurality of surgical fasteners to body tissue includes an anvil structure and a cartridge housing containing a plurality of surgical fasteners and a knife. The cartridge housing and anvil structure are relatively movable between a first spaced apart position...http://www.google.ca/patents/US7886953?utm_source=gb-gplus-sharePatent US7886953 - Fired device lockout for a curved cutter stapler with a free moving trigger
