#$%^&*AU2016202677B120160519.pdf#####Abstract An injection device comprising a housing adapted to receive a syringe having a discharge nozzle, and a sliding component which protrudes, when in a first position, from the aperture in the housing, wherein the sliding component is movable into the housing into a second position, wherein the sliding component comprises a contact surface located at a first end of the sliding component which protrudes from the housing when the sliding component is in its first position.