This is also something that people could make at home for their own use, or perhaps in situations where they need to provide care to another family member at high risk, for example an elderly person. This device is to be worn by the person that needs protection from infection, where it would be highly effective, and not the person who is already infected where it could actually increase risk of transmission.
I have not built a device nor intend to get heavily involved in this design. I am busy on working on the ventilator program elsewhere. I just put this out as an informational idea.
|Duckbill style N95 Medical Mask|
|3M N95 Medical Mask|
One of my readers suggested a (better) alternative to my dust mask. Use a snorkel mask like this:
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