#$%^&*AU2019222852B220191219.pdf#####Abstract An injection device for delivering an injection comprises a housing having a longitudinal axis, a proximal end and a distal end, the housing being arranged such that the injection is delivered from its distal end； and a release mechanism comprising an impediment, the release mechanism being moveable between a first position, in which the impediment is in an impeding position so as to impede the delivery of the injection, and a second position, in which the impediment is in a nonimpeding position so as to not impede the delivery of the injection, wherein the injection device produces an audible signal when the release mechanism is moved from the first position to the second position.
