What is the meaning of needle 0.45*16

Diameter 0.45 mm, length 16 mm. According to querying the information on China Medical Device Information Network, the single-use sterile syringe with needle consists of jacket, mandrel, piston and injection needle, and the needle diameter of 0.45 mm × needle length of 16 mm is its common specification. Sterile syringe is a medical device used for injecting drugs to patients, which can realize the advantages of accurate measurement, ensure the safety of medication, and meet different clinical needs, and has become an indispensable and important equipment in medical work.