Demasa three generations of water light needle instrument is three categories of mechanical?

It's a Class III medical device. The instrument can be found in the National Drug Administration. Generally implanted or injected into the body will be the third level, such as the injection of water light needle, a class of certificates can only be used to smear the skin, only three types of certificates can be used for injection must be in the State Drug Administration official website to check the authenticity of the State Drug Administration.