Syringe for injecting semi-solid parenteral medication or other substance, has reservoir and needle fixed together by outer casing

摘要

The syringe comprises a hollow element (1) forming a reservoir for the injected preparation between a piston (2) and the base (4) of a needle (3). The syringe comprises a hollow element (1) forming a reservoir for the injected preparation between a piston (2) and the base (4) of a needle (3). The hollow element and the needle are held together in the region of the needle base by an outer casing (5, 7) which covers the outer surface of the reservoir with little or no clearance and provides protection and mechanical resistance, especially to pressure.