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. The instrument also includes a cartridge housing and an anvil. The cartridge housing and anvil are relatively...http://www.google.co.uk/patents/US7204404?utm_source=gb-gplus-sharePatent US7204404 - Slotted pins guiding knife in a curved cutter stapler
