Safety syringe comprises a needle seating unit with an external screw thread mating with an internal thread of the syringe cylinder, and a bore for the piston elastic connector element

摘要

A safety syringe comprising a needle seating unit (20) with an external screw thread (221) mating with an internal thread (12) of the syringe cylinder (10), and a bore with longitudinal grooves (224) for the piston elastic connector element (32), is new.