Protection method and device based on mouth and nose separate treatment
A technology of mouth, nose and protective cover, which is applied in the field of protection and devices based on separate treatment of mouth and nose, to achieve the effect of improving comfort, improving sealing effect and obvious advantages
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[0057] Such as figure 1 As shown, the protective device includes a mouth shield 10 and a nose shield 20, forming two isolated areas on the face of a person, namely the mouth area and the nose area, and the nose shield 20 is connected to the outside of the mouth shield 10 , The mouth shield 10 can be fixed on the head by a rope, etc., not shown in the figure, and the nose shield 20 can be fixed on the head by a rope, etc., or can be fixed by a nose clip or the like.
[0058] Mouth shield 10 can adopt airtight material, as plastics etc. to make, also can adopt airtight filter material, when adopting airtight material, can consider to increase ventilation hole 11 on covering, and filter membrane etc. are installed in ventilation hole filter material 12. The filter material 12 of the mouth protection cover 10 can adopt a filter material with higher efficiency, such as a material with an efficiency higher than 99%.
[0059] Nose shield 20 adopts air-permeable filter material, can...
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