[Research on status and future development of safety injection device in vaccination].

Vaccination is the important measure to improve the immunity level and prevent infectious disease. To ensure the safety injection in the vaccination is important. Because the consciousness of the safety injection continuously strengthens, Various safety injection devices emerged and continuously developed. AD suringe and the needle collecting device has renovated for 3 generation so far. This thesis summaried and discussed the research and development of the safety injection device in the vaccination.