#$%^&*AU2012101441A420170323.pdf#####Abstract prepared by Examiner A syringe comprising: a barrel (24) for holding a fluid for injection a needle holder (14) within the barrel (24) and located adjacent a first end of the barrel (24), said needle holder (14) being configured to hold a needle (16) extending from a first end thereof and including a first locking arrangement (54) accessible from a second end thereof a plunger (18) located within the barrel (24) such that it forms a seal with an inside surface of the barrel (24) to enable the plunger (18) to force fluid from the barrel (24) via a needle (16) as the plunger (18) is pushed towards the first end of the barrel (24) in use, the plunger (18) including a first locking arrangement (54) that is configured to cooperate with the first locking arrangement (54) of the needle holder (14) to lock the plunger (18) to the needle holder (14) the plunger (18) further including a second locking arrangement (60) accessible via a second end thereof a plunger extension (20), received within the barrel (24), said plunger extension (20) being configured to enable the plunger (18) to be pushed towards the first end of the barrel (24) by applying a pushing force to the plunger extension (20) the plunger extension (20) including a locking arrangement that is configured to cooperate with the second locking arrangement (60) of the plunger (18) to lock the plunger extension (20) to the plunger (18)."46 ) 4
