#$%^&*AU2014200263A120140130.pdf#####BUTTRESS AND SURGICAL STAPLING APPARATUS Abstract A surgical stapling apparatus comprising: a staple cartridge containing at least one staple an anvil having a staple forming surface and a buttress (350) positioned adjacent the anvil or the cartridge. The buttress comprising a non-porous layer (360), a porous layer (370), a first reinforcement member (381) associated with the non-porous layer, and a second reinforcement layer (382) associated with the porous layer.
