Safety syringes can be used by both humans and animals

The utility model belongs to a medical device, and is a safety syringe used for human or animal one-time and preventing repeated use. The safety syringe is composed of a storage bag, a needle, and a needle protective cover. When in use, the needle protective cover is cut along the parallel direction of the needle, the protective cover is pulled away from the needle for injection, and the protective cover is reset after the injection, so that the needle no longer hurts people, so as to achieve the purpose of preventing repeated use at one time. The protective sleeve cutting special attachment has a limited position of the blade, in any case [1] the protective sleeve can be easily cut. The combination of protective sleeve and needle without storage bag can be used with other types of injection tubes.