1. Ordinary medical masks are used to block spouts from the mouth and nasal cavity, and can be used for one-time hygiene care in ordinary medical environments, with the lowest protection level. It is suitable for general hygiene care activities, such as sanitary cleaning, liquid distribution, cleaning bed units, etc., or the blocking or protection of particles other than pathogenic microorganisms such as pollen.
The most effective role of the 95 mask is to prevent the spread of severe respiratory diseases such as SARS or influenza and the new coronavirus outbreak. You can choose masks marked KN95, N95, FFP2 and above.
2. Studies have shown that within the prescribed range, surgical masks are no worse than KN95/N95 masks in preventing influenza. Zhong Nanshan, head of the high-level expert group of the National Health and Health Commission to fight against SARS, also said, "In fact, it is not necessary to wear a N95 mask. A general mask can block most of the virus-borne droplets from entering the respiratory tract and prevent new coronaviruses. It's still useful to wear a mask." So if you can't buy a N95 mask, you can choose a general surgical mask.
3. At present, there are many kinds of masks on the market, the names of which are written as medical, protective, etc., and may not necessarily have the effect described, how do we judge? Whether it is a medical protective mask or a surgical medical mask, ordinary medical masks belong to medical devices and are included in the management of medical devices. China's production and management of medical devices are quite strict, so as far as conditions permit, try to choose mechanical size products. Mask for medical device production license and medical device product registration certificate.https://www.ck-stone.com/