Medical disposable masks are mainly used by medical staff to receive patients and perform invasive operations. They can block particles, droplets and dust in the air. It has the function of a dust mask. Ordinary absorbent gauze mask is a protective health care product, which has a certain filtering effect on the microorganisms, droplets and dust in the air. It is the first choice for medical prevention masks for the prevention and prevention of general diseases. The quality standards of this mask are high. Good filtration effect, strong adhesion and moisture resistance.
At present, the common masks on the market are:
1. Medical protective mask: It is a close-fitting self-suction filtering medical protective article, which overcomes the resistance of the components by the wearer’s breathing, filters the particles in the air, blocks the droplets, blood, secretions, etc. It is mainly used for diseases prevention. The filtering standard of the mask is high, and it must meet the technical requirements of the national standard GB19083-2010 medical protective mask. The filter material used in medical protective masks is N95, so it is also called medical N95 masks, and its filtration efficiency for non-oily particles is greater than 95%. Used by medical staff when entering or leaving the isolation room or when in contact with medical patients.
2. Medical surgical masks are worn by clinical medical staff during invasive procedures to provide protection for patients undergoing treatment and medical staff performing invasive procedures to prevent the spread of blood, body fluids and splashes. The bacterial filtration efficiency of the mask should not be less than 95%, and the filtration efficiency of non-oily particles should not be less than 30%. Implementation of pharmaceutical industry standards: YY0469-2011 technical requirements for medical surgical masks.
3. Other masks such as medical nursing masks, disposable masks and other common sanitary masks, the relevant technical requirements of the enterprise registered product standards, due to the lack of requirements for the filtration efficiency of non-oily particles, or the filtration efficiency of non-oily particles It is lower than medical surgical masks and medical protective masks, and its protective effect is limited. It can be used in medical institutions or households for one-time hygiene care, but it cannot be used in clinical invasive procedures. It does not provide complete protection against viruses or bacteria, and its protection against influenza A H1N1 is very limited.
4. Ordinary absorbent gauze masks are not managed as medical devices in accordance with relevant regulations. To this end, it is recommended that medical institutions and consumers carefully check the scope of application of the product logo during actual use, and choose the appropriate mask to wear according to the purpose of use.
Post time: May-13-2020