What's the name of the injection needle?

Needles for injection are called syringes. Syringe is a common medical instrument, also called medical needle tube. Needles for injection are specially called medical syringes. It is a medical instrument for injecting liquid medicine or extracting body fluid. A syringe usually consists of a needle, a syringe and a piston. The needle is used to puncture the skin, the syringe is used to hold liquid medicine or body fluid, and the piston is used to control the injection flow. In medical practice, syringes are widely used in vaccination, drug treatment, taking body fluid samples and other situations. When using syringes, medical personnel need to ensure the cleanliness and disinfection of needles and syringes to avoid the risk of cross-infection.