A safety syringe is an injection syringe with its own safety mechanism. The Safety Needle on the safety syringe is detachable or fixed. In some types, the user puts the protective device on the needle after the injection, or the needle can be retracted into the barrel. These mechanisms can be used to protect medical staff and others from unexpected needle stick injuries. Another option is to use auxiliary equipment, such as the Oak Ridge Products needle collection box. After the injection, the user can remove the needle with one hand and throw it into the box. The collection box itself has a cover to provide protection (or the entire needle Throw the syringe into the box).

Since the government and safety agencies began to pay attention to needle stick injuries and needle reuse problems, the importance of safety syringes has increased. Many countries have legislated to require the use of such syringes or the use of similar protective devices.

There are many styles of safety syringes on the market. For example, the automatic failure syringe is designed to be used only once, and there is a mechanism in the barrel. When the plunger is depressed once, it will be blocked and cannot be depressed for use. Another type that can prevent repeated use is that when the plunger is completely depressed, it will automatically split and cannot be used for the second time. In these two types of syringes, the mechanism to avoid reuse will only be activated after the plunger is fully depressed.

This type of syringe has a sliding needle protection cap.

  After the injection, cover the needle with a needle shield or a protective cap, and at the same time, prevent repeated use through an automatic barrier or plunger splitting. Telescopic syringes use a hand or spring to retract the needle into the barrel. Some brands of spring-loaded syringes may produce a splashing effect. When it happens, blood and liquid will be ejected from the sleeve due to the contraction pressure. Manually retracting the syringe is usually easier to press because there is no spring resistance.

Traditional glass syringes can be reused after proper sterilization. In recent years, plastic syringes have become increasingly popular because they are disposable. Unfortunately, incorrect disposal and repeated use are the causes of blood and body fluid infectious diseases.

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