#$%^&*AU2016200167A120160908.pdf#####DOUBLE FIRE STAPLING ABSTRACT A tool assembly (110) comprising: a cartridge assembly (130) including a cartridge body (134) defining a tissue contact surface and a plurality of rows of retention slots, each retention slot of the plurality of rows of retention slots supporting a staple therein and defining an opening on the tissue contact surface, the cartridge body (134) defining a first firing channel and a second firing channel, the first firing channel associated with a first row of staples and the second firing channel associated with a second row of staples； an anvil assembly (120) supported adjacent the cartridge assembly (130), the anvil assembly (120) and the cartridge assembly (130) being movable between open and closed positions in relation to each other； and a first firing cam positioned within the first firing channel of the cartridge body (134), the first firing cam configured to translate through the first firing channel during a first axial translation of the first firing cam to fire the first row of staples, the first firing cam being biased to move into the second firing channel of the cartridge body upon retraction of the first firing cam after the first axial translation such that the first firing cam moves to a position to translate through the second firing channel upon a second axial translation of the first firing cam to fire the second row of staples.1/16 cY C14% C1 C'4o C-4J Vc
