Correct wearing method of valve medical mask

The outer layer with the valve mask often accumulates a lot of dust, Mask bacteria and other contaminants in the outside air, and the inner layer blocks the exhaled bacteria and saliva. Therefore, Mask the two sides cannot be used interchangeably, otherwise the contaminated outer layer will be directly Inhale the human body when it is close to the face and become a source of infection. When the mask is not worn, it should be folded and placed in a clean envelope, and the side that is close to the nose and nose should be folded inwards.

Masks with valves must be of the right size and worn in the correct way for the masks to be effective. Masks on the market are generally divided into two types, Mask rectangular and cup-shaped. A rectangular mask must have a structure of at least three layers of paper in order to have a protective effect. The user needs to press the iron wire on the mask against the bridge of the nose, and then spread the entire mask along the bridge of the nose in order to exert the effect. Let the child wear a rectangular surgical mask because it has no fixed shape, and if it is tied well, it can be close to the child's face. Cup-shaped masks must ensure that the masks have sufficient density after they are attached to the face,Mask  so that the exhaled air will not leak out to be effective.

When wearing a cup-shaped mask, cover the mask with both hands and try to blow air. Check whether there is air leakage from the edge of the mask. If the mask is not tight,Mask  you must readjust the position before wearing it.