The present invention provides a staple cartridge assembly adapted for use in a surgical stapler having a cartridge retention portion and an anvil portion which are movable between a closed position and an open position. The cartridge assembly comprises (1) a firing assembly for firing staples which...http://www.google.com/patents/US5445304?utm_source=gb-gplus-sharePatent US5445304 - Safety device for a surgical stapler cartridge