#$%^&*AU2017201707B220180118.pdf#####CIRCULAR STAPLING INSTRUMENTS ABSTRACT A circular stapling instrument (10) including a stapling forming assembly that is actuated independently from actuation of the cutting assembly is provided. The instrument (10) includes a handle assembly (20), an elongate body (30) extending from the handle assembly (20), a cartridge assembly (110) mounted on a distal end of the elongate body (30). The cartridge assembly (110) includes a pusher assembly (130A) and a knife assembly (160A). The knife assembly (160A) is selectively fixed relative to the pusher assembly (130A).