When to replace medical protective masks in time

Do you know that when those situations arise, masks should be replaced in time? Let the editor of medical protective masks take you to find out:

1. When the respiratory impedance increases significantly; 2. When the mask is broken or damaged; 3. When the mask cannot be closely attached to your face; 4. When the mask is contaminated (for example: blood stains or droplets, etc. Related foreign matter);

5. It used to be suitable for individual wards or patient contact (because the mask has been contaminated); 6. If the mask contains activated carbon, when there is an odor in the mask.

In addition, you need to pay attention to these points when wearing a mask:

1. Wash your hands before wearing the mask, or avoid touching the inner side of the mask with your hands during the process of wearing the mask to reduce the possibility of contamination of the mask.

2. It is necessary to distinguish the inside, outside, top and bottom of the mask. The light-colored side is the inside. It should be close to your mouth and nose, with the dark side facing out; the end of the metal strip is above the mask.

3. Don't squeeze the mask with your hands, including N95 masks, you can only isolate the virus on the surface of your mask. If you squeeze the mask with your hands, the virus will wet the mask with the droplets, and there will still be a certain chance of infection Viral.

4. Be sure to make the mask and the face have a good fit. The simple test method is actually: After putting on the mask, exhale forcefully so that air cannot leak from the edges of the mask.