The function of the mask is to absorb and block harmful sol through the filter material, so as to achieve the purpose of blocking harmful substances. The medical masks worn by clinical medical staff are a simple and effective way to isolate hospital microorganisms from entering the body through the respiratory tract, which can prevent the spread of diseases from patients to medical staff and prevent the spread of diseases from medical staff to patients.
In recent years, due to the occurrence of infectious diseases, the industry has paid more and more attention to the use and protective effect of medical masks. The research on the protective efficacy of medical masks and the current status of their use are summarized as follows.
Standards for the protective effectiveness of medical masks According to the protective efficacy and scope of application, medical masks are currently mainly divided into medical ordinary masks, medical outer shell masks and medical protective masks, but there is no unified standard for all kinds of masks.
As a protective mask for medical personnel, the main object of protection should be microbial aerosols. Therefore, it is recommended that the standards for medical protective masks must add corresponding bioaerosol test indicators.
