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Franklin Sankar 04-04-2020 12:13 PM

Oxygen conc and ventilators
You know of anyone who used a oxygen generator to make a ventilator

Max Epstein 04-05-2020 09:14 AM

Can't make a ventilator with a concentrator.

Although it would help you to have o2 to recover at home.

Rick Kellner 04-05-2020 05:17 PM

Never say never. With a little Trini ingenuity, somebody might pull one off with a palm frond, balloon, and a clothespin!

Pete VanderLaan 04-06-2020 06:40 AM

.. and a sears shop vac hooked up backwards.

Brian Wong Shui 04-06-2020 08:54 AM

I've been following a lot of the efforts to design a low cost ventilator. Here is some light bathroom reading for anyone who is interested. Not rocket science but a matter of getting airway pressures and flows correct.

How Ventilators Work

Generating Positive Airway Pressure

Ventilator using Hospital Air Supply (Italian)

Tesla Video of their Ventilator

Bag Valve Mask Type Ventilators

MIT Version
Open Source Ventilator Project

Commercial Designs

Medtronic Ventilator Design Files that have been released...The license is not open source and only grants temporary use of data.

Franklin Sankar 04-06-2020 12:01 PM

nice. no sears here.

Pete VanderLaan 04-06-2020 01:20 PM

It's a generic vacuum at this point Franklin. Home Depot, Lowe's, Ventilators-R- Us. Get ear plugs.

Bag masks really work but they are intensive. Takes someone squeezing an awful lot.

Greg Vriethoff 04-06-2020 09:29 PM


Originally Posted by Pete VanderLaan (Post 147570)
Bag masks really work but they are intensive. Takes someone squeezing an awful lot.

Maybe good? IDK.

James Burts 04-07-2020 10:43 AM

It seems to me that this would be an excellent (inexpensive) alternative. Like Pete said, BVM really work well and are plentiful in hospitals.

It won't have the sensor systems that "proper" ventilators will have, but it seems workable (enough) with a little bit of setup for the individual patient to ensure you're getting the proper chest rise. It would be cheap, easy to build, and about a gazillion times better than being able to provide nothing for the patient.



Originally Posted by Greg Vriethoff (Post 147571)

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