Overview of the Application of Powered Intelligent Air-Purifying Respirator in the Health Field

During the COVID-19 pandemic, more and more health-care workers around the world use Powered Air-Purifying Respirator (PAPR) personal respiratory protective equipment when treating patients with COVID-19. In order to provide suggestions and references for the implementation and application of existing PAPR protective equipment in the medical and health field, the typical structure of existing PAPR products is classified and summarized, focusing on the PAPR standard documents of China, the United States, the United Kingdom, and Japan. Analysis and summary of key technical requirements in national standards. From academic literature, standard documents, invention patents, product manuals, network literature and product research and other multi-faceted information, the research status of Powered Air-Purifying Respirators is reviewed, synthesized and summarized. Finally, the development of international standards, Virus protection test, respiratory response control and comfort are prospected. And the deficiencies of the current PAPR products and the directions that need to be studied by relevant technical personnel in the future are pointed out.