Open Source Ventilator

Anyone following this project?

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Acme made one and posted it on social media with a link to instructions.

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Acme? Is it rocket-powered or fueled with TNT?

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I’ve actually been wondering about CPAP and BiPAP machines by Resmed and the like. Resmed makes ventilators as well as CPAP and BiPAP machines.

Lots of those CPAP and BiPAP machines are around, and maybe they could be adapted to function as a primitive ventilator in an emergency. Some of them even have fittings and sensors for “optional pulse oximetry monitoring.” Maybe with a bit of bedside assistance by a loved one, it could save a life. Maybe adapting them is a simple as a software update – I don’t know.

Obviously, using these machines isn’t ideal, but we’ll call it near-perfect if it saves a life.

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A month ago I attempted to purchase a $100 air powered ventilator. It operates just on hospital air/oxygen supply. My keepers at the state of Texas say I can’t own one.

I was actually just thinking about this after seeing the air pressure graph. May have to experiment with the extra one I have.

Well, if there’s a way to draft our army of CPAP and BiPAP machines into ventilator use, even if it’s crappy ventilator use, that might get us past the un-flat curve. Are you the hero that’s going to make that possible?

I thought a true intensive care ventilator is more than a mask with oxygen. I thought it was an actual breathing tube inserted down your throat (via mouth), or into your throat via incision to inflate your lungs with machine pressurized movements.
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You are correct, an endotracheal tube is inserted via the nose, mouth, or tracheotomy and connected to the ventilator. You can ventilate someone via a tube or mask by squeezing a bag, but it gets old after a while. Who knows what it will come to but a modified cpap may save a life. They would have to be modified to allow one to set the tidal volume and rate as cpap only delivers a constant pressure.