What Is a Syringe Barrel?

A syringe is a common medical device. As early as the 15th century, the Italian Cartiner proposed the principle of a syringe. The needle or needle is used to extract or inject gas or liquid.

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A syringe is a common medical device. As early as the 15th century, the Italian Cartiner proposed the principle of a syringe. Mainly used

Scientists have developed a new method for injecting drugs without a needle, using a high speed and high pressure

Back in the 15th century, the Italian Katie

Generally use 2 ml, 5 ml, 10 ml or 20 ml syringes, occasionally 50 ml or 100 ml, intradermal injections use 1 ml syringes.

Syringes can be made of plastic or glass, and usually have a scale indicator on them to indicate the volume of liquid in the syringe. Glass syringes can be sterilized with an autoclave, but modern plastic syringes are mostly made of plastic because of the lower processing costs of plastic syringes, which further reduces the risk of blood-borne diseases. The spread of disease among intravenous drug users, especially HIV and hepatitis, is related to the repeated use of needles and syringes.