Quote Originally Posted by tonyfoale View Post
Many of us have oxygen bottles in the workshop.
Good call tonyfoale. Surely these common bottles could be used as a component in oxygen delivery machines. If we are to use bottled oxygen as the primary source of oxygen for oxygen therapy, then we will need to overcome the volume issue.

Note this photo from an early outbreak in a Washington nursing home. These workers are moving in oxygen concentrators (double-fisted!). These generally go from 1 liter per minute to 5, and for Covid oxygen therapy, they're cranking them all the way up to 5.

Fullsize image: https://diqn32j8nouaz.cloudfront.net...s_fullsize.jpg



More on the homemade ventilator front. NYT on impending ventilator shortage. And, here's another DIY ventilator design. Also, here's a video on using one ventilator to serve multiple patients. I have no idea if this will work, but it made me think: maybe instead of more ventilators, there's a way to have one ventilator used by multiple patients. 6:04 video:



For any homemade mask critics: of course a homemade mask is better than nothing! We've previously discussed a homemade mask design published on the CDC website. Similarly, here's a WHO article on homemade hand sanitizer fabrication. We've heard the "homemade-is-bad" argument for a long time around here, and it doesn't have much impact on this community. I'm also wondering if it's feasible to create a homemade melt-blown manufacturing machine, so that people can create N95 masks.

Regarding Amazon supply, here are details on exactly which shipments are being prioritized.

Amazon said in an email to sellers that it was now prioritizing shipment in the following six categories: baby product; health and household (including personal-care appliances); beauty and personal care; grocery; industrial and scientific; pet supplies.

I liked this homemade Coronavirus tool. It's a no-touch fingerprint authentication device. Click to play.



In the US, the government is considering making payments to Americans of thousands of dollars. Or instead of thousands of dollars, you could choose to receive 1 bottle of hand sanitizer!


Finally, here's a great trick for if you run out of toilet paper