Research status of local ventilation purification in operating rooms

Analyses the relationship between the laminar flow and the surgical site infection which has been discussed in recent years and considers that their relationship can not be entirely determined. Presents the working principle of local ventilation and purification in operating rooms. Expounds the research status of operating room air quality at home and abroad. Cites the local ventilation and purification devices and analyses their existing problems. Considers that the local ventilation system has a great potential in the field of disaster and emergency rescue operations, but the practical application of the device in operating rooms requires further study by scholars and governments in various countries.