PREFILLED SYRINGE

摘要

The invention relates to a prefilled syringe for medical purposes, comprising: a syringe cylinder (3); a syringe plunger (9), which is placed therein and which can be displaced by a plunger rod (11); a closure stopper (15), which closes the needle-side end of the syringe cylinder (3) and which has a through-channel (17) that can be closed by a membrane (19); a finger support (13), which is placed at the end of the syringe cylinder (3) located opposite the closure stopper (15) and which has a through-opening (49) for the plunger rod (11), and; a threaded device (25) that interacts with the plunger rod (11) and with the finger support (13). The syringe (1) is characterized in that the threaded device (25) has a threaded sleeve (27), which is detachably joined to the finger support (13) and which has an internal thread (59) that interacts with an external thread (29) on the plunger rod (11).