Medical masks are one of the important materials for the prevention and control of the new coronavirus pneumonia epidemic. They are an important line of defense against respiratory infectious diseases and can reduce the risk of new coronavirus infection. Medical masks can not only prevent patients from spraying droplets, and reduce the amount and speed of droplets, but also block virus-containing droplet nuclei to prevent the wearer from inhaling. under, Medical Vaccine Fridge Manufacturers introduce the classification of medical masks and precautions for use:

1. Classification of medical masks:

①Classified according to the form of cover belt: usually there are strap type, head-mounted type, ear-hook type, etc. The strap type and head-mounted type are suitable for medical staff who wear it for a long time. It is troublesome to wear, but has no burden on the ears; the rear-mounted type is easy to wear and suitable for frequent wearing and taking off.

② According to the shape of the masks: flat, foldable, duckbill, fish, arch, etc. Flat masks are easy to carry, but have poor tightness; foldable, duckbill and fish-shaped masks are easy to carry; arched breathing space is large, and the tightness is good, but it is not convenient to carry.

2. Precautions for the use of masks

①It is necessary to pay attention not to put the removed mask directly in the bag, pocket, etc., which may cause the risk of persistent infection.

②Do do not touch the masks used by others to avoid cross-infection.

③ Disposable masks used to defend against bacteria are strictly prohibited from being used again when they are considered to be contaminated or wet. It is emphasized again: During the process of wearing and removing the mask, do not touch the face, eyes, nose, and mouth outside the forearm, hand, and mask to avoid infection of the mucous membranes in these parts.