needle protection device for a pre-filled syringe with attached needle and pre-filled syringe with attached needle

摘要

the present invention relates to a needle protection device (2) for a pre-filled syringe with attached needle (1), the device (2) comprising: - a locking mechanism (10) comprising the means (16 ) to attach a syringe body (50), - a needle cap (20) into which the needle (58) can be operated, - a post-use safety system (30, 40), comprising a glove (40 ) defining a central axis along which it is movable and the means (30) to elastically load the glove in a frontal direction in which it is able to cover the needle (1), the glove (40) comprising an external tube (42) and a coaxial inner tube (44) which are manufactured in one piece through injection molding and in which the outer tube (42) is arranged to cooperate with the locking mechanism (10), while the inner tube (44) ) is detachable from the external tube (42) and connected axially in translation with the needle cover (20).