The invention relates to a method for producing pre-filled cemented needle syringes, comprising the steps of: fitting a device (D) for protecting the needle onto syringe bodies (2), the device comprising an external sleeve which can move along a longitudinal axis between a forward position in which it covers the needle, and a retracted position in which it does not cover the needle, means for returning the sleeve to the forward position, and a needle protector； arranging the syringe bodies (2), which are provided with the protective device, in recesses (O204) provided in a holder (200)； placing the holder (200) in a container (100) for transport； removing the holder from the container； filling each syringe body with an active principle； inserting a plunger into each syringe； and removing the syringes (1) from their holder for the purpose of inspection and labelling.
