#$%^&*AU2011244934A120120524.pdf#####SURGICAL INSTRUMENT WITH ADD-ON POWER ADAPTER FOR ACCESSORY ABSTRACT A surgical instrument (100) system includes a surgical instrument (101), an accessory (120), and an adapter (130). The surgical instrument (101) includes a housing (110), a shaft (112) extending from the housing (110), and a tool assembly (118) operably coupled to the shaft (112). The accessory (120) is operably couplable to the surgical instrument (101). The adapter (130) is operably coupled to the surgical instrument (101) and includes an energy storage device to provide power to the accessory (120) when the accessory (120) is operably coupled to the surgical instrument (101).1/5 0a CD C~1j