At present, ordinary masks and disposable masks on the market may have a certain blocking effect on ordinary dust and large particles, but the protection against haze, PM2.5 or microbial particles such as bacteria and viruses is not enough. The inspection selects surgical masks marked with KN95 or N95, FFP2 and above. In addition, when consumers choose surgical masks, in addition to their protective functions, they must also take into account factors such as the user's face shape and comfort to ensure effective protection.
It should be absorbed before wearing the surgical mask and before and after taking off the mask. The colored side of the mask is facing out. Tie the rope that fixes the mask, or wrap the rubber band of the mask around the ears so that the mask is close to the face and should be completely covered. Mouth, nose and chin, press the mask tightly along the bridge of the nose on both sides to make the mask close to the face. After wearing the mask, avoid touching the mask; if you must touch the mask, wash your hands thoroughly before and after touching it. After wearing, the wearing air tightness check must be carried out. Cover the surgical mask with both hands to exhale. If you feel gas leaking from the nose clip, you should re-adjust the nose clip. If you feel gas leaking from both sides of the mask, you need to further adjust the position of the headband and earband; Need to change the mask model.
Wearing a surgical mask for a long time, on the one hand, the outside of the mask absorbs a large number of pollutants such as particulate matter, which will increase the respiratory resistance; on the other hand, the inside of the mask will also absorb bacteria and viruses in the exhaled breath. Therefore, it is recommended that the wearer change the mask in time according to the respiratory resistance of the mask and the acceptable degree of hygienic conditions. If you have been exposed to an infectious environment, or find damaged parts, such as missing nose clips, broken headbands, damaged masks, etc., they should be replaced immediately. In addition, disposable masks should not be reused.
Precautions for special groups wearing surgical masks:
Pregnant women wearing protective surgical masks should pay attention to their own conditions and choose products with better comfort, such as protective masks equipped with exhalation valves, to reduce exhalation resistance and sultry feeling. Before wearing, you should consult a professional physician to confirm that your physical condition is suitable.
Elderly people and patients with chronic diseases have different physical conditions. For example, patients with cardiopulmonary diseases will feel uncomfortable after wearing them, and even aggravate the original condition. They should seek professional guidance from a doctor.
Children are in the stage of growth and development, their faces are small, and it is difficult for general masks to achieve a tight fit. It is recommended to choose children's protective masks produced by regular manufacturers.
