Patent ID: 8763875

Claim:
A disposable end effector for use with a surgical fastening instrument, said disposable end effector comprising: a proximal end configured to be attached to a shaft of the surgical fastening instrument; a distal end; a first jaw; a second jaw rotatably coupled relative to said first jaw, wherein one of said first jaw and said second jaw is movable between an open position and a closed position relative to the other of said first jaw and said second jaw; a plurality of fastener cavities; a plurality of fasteners, wherein said fasteners are removably positioned in said fastener cavities; and a cutting member movable toward said distal end, wherein said cutting member comprises: a knife edge; a first portion configured to engage said first jaw, wherein said first portion is comprised of a first material; a second portion configured to engage said second jaw; and an insert engaged with said first portion configured to engage said first jaw, wherein said insert is comprised of an insert material which is different than said first material.