Medical surgical masks are usually made of masks, shaped pieces, straps and other components. They are usually made of nonwoven materials and play an isolation role through filtration. It is used to wear on the mouth and nose of the medical staff in the operating room to prevent the spread of dandruff and respiratory tract microorganisms to the open surgical wounds, and to prevent the spread of the body fluids of the surgical patients to the medical staff, so as to play a two-way biological protection role.
Medical surgical masks can block particles with a diameter greater than 4 microns. According to the general medical standards, the transmittance of medical surgical masks is 18.3% for particles with a diameter of 0.3 microns.
Medical surgical masks are mainly used in medical outpatient, laboratory, operating room and other high demand medical environment, with a relatively high safety factor, which is suitable for the basic protection of medical staff or related personnel. In the process of medical invasive operation, it can protect blood, body fluid and splashes. At the same time, it also prevents the microorganism carried in the breath of medical staff from being discharged directly, which poses a threat to the patients undergoing surgery.
Medical surgical masks have strong resistance to bacteria and viruses. In daily life, they can be used to prevent the spread of influenza, respiratory system and other infectious diseases, and also to prevent patients from infecting others with the virus.