Disposable medical masks and medical surgical masks are limited to one use, and the cumulative use is not more than 8 hours. Masks used by medical staff shall not exceed 4 hours and shall not be reused.
Medical masks are divided into three categories
There are three types of medical masks. The first type of medical surgical masks has a rectangular structure; The second type is disposable medical masks, and the structure is similar to that of surgical masks is also rectangular; the third is medical protective masks with high protection level.
Medical protective masks have the highest grade and are worn by medical staff.
In terms of use, the medical protective mask has the highest grade. The use scenario of the new coronavirus infection prevention and control medical protective product issued by the health committee on January 26 has been recommended in the isolation ward, isolated special areas such as intensive care and fever outpatient service are worn and used by medical staff. Generally, it is recommended to replace it within 4 hours. If there is pollution, for example, if the operation of an invasive operator causes splash on the outer surface or dirt and humidity on the inner surface, it will be discarded.
Wear medical surgical masks in public places.
Medical surgical masks are worn and used by medical staff when blood and body fluid splash are prevented during invasive operation. It is required to prevent blood and liquid on the outside. We recommend that you wear medical surgical masks in public places and work scenes.
Personnel density is not high wearing cover disposable medical mask
Disposable medical masks are used and worn in common diagnosis and treatment environments, while disposable medical masks are worn in scenarios where the density of personnel is not very high.
There is no clear regulation on how long the mask can last.
In terms of product standards, we do not specify how long such products should be used. There are some provisions in the manufacturer's instructions and precautions. When the general public uses it, it is recommended to extend the use time according to the use time and use scenario, such as ordinary drying, avoid overuse and overprotection, and avoid white pollution.
Do not have to overprotect or wear medical protective masks for a long time
After all, medical protective masks are worn and used by professionals in specific areas. When wearing them, they have the requirement of tightness. Filtering material is relatively thick, and the personnel will feel uncomfortable wearing them for a long time, the feeling of gas retention, therefore, the public does not have to overprotect or wear medical protective masks for a long time from the reasonable choice of use.