Electronics > Projects, Designs, and Technical Stuff
Sprint Day 0: An Open Source ventilator project you can believe in.
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MK14:

--- Quote from: Blitzschnitzel on April 01, 2020, 06:57:14 pm ---@all the critics
The reason why ventilators are so sophisticated and complex is that they are designed for versatility. Forced ventilating a comatose or sedated patient is almost trivial. We have figured this out a long time ago. It gets tricky when you have advanced modes like assisted ventilating. A simple machine that squeezes one of those hand operated paramedic ventilators automatically can free up the professional machines for the more complex cases. Also, production isn't at all keeping up with demand. The reason medical professionals are reaching out to the maker community is that they would rather use a simple machine than having patient drown in their own fluids. Yes, in "peace times" a doctor wouldn't even fart in the direction of a homebrew device, but I am active in the opensourceventilator project and it has a surprising number of medical professionals active there.

And if you think the designs worked on are all shite, join and do it better.  :-+

--- End quote ---

Thanks, that makes sense.
I much better understand what is going on with those ventilator projects, now.

So, make DIY/Homebrew ventilators, quickly, so some/all will be ready to use, in coming weeks. Even if they are not perfect/brilliant.
Rather than making something better/professional, but it may not be ready, until after the worst/big parts of the virus outbreak (too late!).

tl;dr
Make it quick, or the peak of the "virus battle" (overloading hospitals) will be over.
helius:
Is there a reason that mechanical ventilation is the first resort for advanced pneumonia and not, say, draining the fluid that is causing them difficulty breathing?
Blitzschnitzel:
Not a doctor but I think the fluid build-up and difficulty of breathing are both just symptoms of the original lung damage. Whatever is worse will be treated first. Off course at some point fluid also becomes the cause of the breathing problems
trophosphere:

--- Quote from: helius on April 02, 2020, 12:25:03 am ---Is there a reason that mechanical ventilation is the first resort for advanced pneumonia and not, say, draining the fluid that is causing them difficulty breathing?

--- End quote ---

The following is a simplified response:

In most cases, the accumulation of fluid that builds up in the lung from severe pneumonia is in the tissue rather than in the space between the lung and inner chest wall. Think of it this way, rephrasing your question would be "how would one drain fluid from a wet rag using a needle?" The primary purpose of ventilation is respiratory support rather than to remove fluid from the lung. If a patient is having respiratory distress then it would be pertinent to provide a means of helping them breath before they tire out. It's concerning if a patient is breathing 40 breaths per minute. It's alarming if a patient was breathing that fast and then began to slow down as that would indicate impeding respiratory failure.
Caliaxy:

--- Quote from: helius on April 02, 2020, 12:25:03 am ---Is there a reason that mechanical ventilation is the first resort for advanced pneumonia and not, say, draining the fluid that is causing them difficulty breathing?

--- End quote ---

https://www.propublica.org/article/a-medical-worker-describes--terrifying-lung-failure-from-covid19-even-in-his-young-patients
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