What if I can't buy a medical surgical mask? Is the traditional gauze mask useful? How to wear a disposable surgical mask?

Mask is a problem that everyone cares about now. At this time, many people really can't buy masks. When they can't buy ordinary masks, they might as well stay at home for the sake of health.

What if I can't buy a medical surgical mask?

Medical surgical masks: Medical surgical masks are masks worn by medical personnel at work. Mainly used in medical clinics, laboratories, operating rooms and other high-demand medical environments. High safety factor and stronger resistance to bacteria and viruses. Most importantly, the main route of transmission of this virus infection is droplet transmission. Therefore, it is necessary to wear a mask with high safety factor. Medical surgical masks can prevent most viral infections.

Medical mask: this level of mask does not need to block blood and has no sealing requirements, so it is only used in general medical environment. The most common medical mask is the ear-hanging type. Generally, there is a lack of requirements for the filtration efficiency of particles and bacteria, or the filtration efficiency of particles and bacteria is lower than that of medical surgical masks and medical protective masks. The protective effect of common medical masks on pathogenic microorganisms is not exact. They can be used for disposable health care in ordinary environment, and can also be used to block or protect particles other than pathogenic microorganisms, such as pollen. Therefore, it is best to wear a "medical surgical mask" during the epidemic. In addition, if you want to go out or go to crowded places, you'd better wear n95 protective mask.

Is the traditional mask useful?

useless

After SARS, Jin Xiangyu's team did a special experiment in a laboratory environment, using gauze masks of 12 or even 18. Results The filtration rate of particulate matter was only 96%, which was almost the same as the single-layer filtration rate of 95% of standardized disposable masks. "Besides, it is impossible to repeatedly wear a dozen gauze masks in reality.

Tips on masks 1. Medical surgical masks need to be replaced every 3-4 hours if they are used normally. Do not wear it for a long time, and then replace it.

2. If the medical surgical mask is contaminated during wearing, it needs to be replaced immediately. For example, sneezing, the mask is full of saliva, or it is directly given by sewage. This pollution needs to be replaced immediately;

3. When wearing a medical surgical mask, if you feel difficult to breathe, you need to change it in time. At this time, the mask has reached its life, and there are more particles in the mask.

4. If possible, you can wear a surgical mask outside N95 to reduce the contact between N95 and external dirt;

5. The 5.n95 mask can be reused in places that have not been exposed to infected patients or crowded places, but it also needs to be replaced frequently.

How to wear a disposable surgical mask?

(1) Distinguish between positive and negative.

The mask is divided into front and back, up and down, the front is darker outward and the back is brighter inward. The red circle is on it, with a metal bar and a nose clip inside.

② Wash hands before wearing.

If your hands are not clean, wiping dirty things on the mask is not only a waste of money, but also a risk of getting sick.

③ Put on, press the metal strip and stretch the mask.

Hang up the mask, make sure your face is facing outward, and make sure the metal strip is on it. Pinch the metal strip until it fits tightly with the bridge of the nose. Pull the mask downward so that it does not wrinkle and completely covers the nose and mouth. Try to stick to your face without leaving gaps; Don't touch it when you wear it. If the mask is not clean enough or dry enough, remember to change it to a new one. Disposable masks must be thrown away after use. Don't be kind