Needle protection device for a syringe and an injection device comprising a syringe and said protection device

The present invention relates to an injector equipped with a needle protection instrument, and the injector and the above-mentioned protection instrument for an injector. The purpose of the present invention is to give a user the maximum protection from the needle of the injector moved by the patient to the risk of an unexpected after-pouring stab. Furthermore, especially the present invention relates to the needle protection instrument (2) for an injector (1) equipped with the pouring plunger (8) arranged so that the inside of a needle (6), the tubular barrel (4) by which the needle (6) is being fixed to the front end, and the above-mentioned barrel (4) may be slid. : which the equipment of invention equips with the following -- the needle protective equipment (22) substantially arranged by the method of the same axle about the barrel of an injector --The protective equipment support component (20) to which it connects with the barrel (4) firmly, or the same means is given, 押 pressure again each between a support component (20) and protective equipment (22) The spring which are arranged by carrying out, The needle (6) of an injector (1) relates between the position of the protective equipment which was made to decompress unreservedly partially [a spring] at least, and was drawn, and means to solve Locke of; spring to one of the two, and it is the above-mentioned support component (20) and protective equipment which can move (22). Especially the present invention is suitable for the use in the field of the disposable injector filled beforehand in the injection.