Nose breathing device and using method thereof
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- DET IND DESIGN
- Publication Date
- 2019-04-19
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention relates to the technical field of breathing assistance devices, in particular to a nose breathing device and a method for using the same. Background technique
[0002] The structure of an air-purifying breathing device should be divided into two parts, one is the main body of the mask, which we can simply understand as a shelf for a mask; the other is the filter material part, including filter cotton for dust prevention and anti-virus use Chemical filter cartridges, etc. Therefore, for the selection and use of air-purifying respirators, some products produced by many manufacturers provide you with the following convenience, that is, you can use the same mask body. filter cotton, so that you wear a dust mask; when you need to carry out anti-virus in a toxic environment, replace the filter cotton, install the corresponding chemical filter box, so that it becomes a gas mask again, Or provide you with more combinations according to your wor...