PREFILLED SYRINGE WITH SHIELD, AND ASSEMBLY THEREOF, ASSEMBLING METHOD FOR ASSEMBLY, AND MEDICINE FILLING METHOD

原文（中国語）

The present disclosure belongs to the technical field of medical appliances, and particularly relates to a prefilled syringe with a shield and an assembly thereof, an assembling method for the assembly, and a medicine filling method. By means of a syringe barrel, a mounting part, and a needle, as well as a shield unit sleeved on the main body of the syringe barrel, a syringe barrel flange provided on a needle mounting pipe, and a needle sleeve unit sleeved on the needle mounting pipe, deposited in the shield unit. The present disclosure has the advantages that the opening of the shield and the exposure of the needle can be achieved by means of a one-step upward pushing operation; after the shield is unlocked, the needle sleeve unit can be removed smoothly; when the shield returns to the initial position, the shield is locked with the syringe barrel flange.