Patent ID: 8932254
Filing Date: 2015-01-13
Classification: A61M

Abstract:
1. An autoinjector system comprising an autoinjector device having a housing comprising an interface configured for detachably receiving a disposable syringe assembly, the disposable syringe assembly comprising a syringe having a syringe barrel, a needle at the forward end, and a plunger, the syringe assembly further including a safety shield arrangement, comprising: a syringe housing receiving said syringe barrel and restrained against longitudinal movement with respect thereto, a shield portion mounted for generally telescopic movement relative to said syringe housing between a retracted position and an extended position in which in use it shields said syringe needle, and a lock out arrangement effective as said shield moves towards said extended position to prevent retraction therefrom, the autoinjector including a drive mechanism for advancing said syringe to an injection position, for driving said plunger to expel a dose and for moving said shield portion to said locked out extended position, whereby, on completion of an injection operation, said disposable syringe assembly may be detached from said autoinjector housing interface in a shielded condition for subsequent disposal.