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Re: [LUG] Raspberry Pi Ventilator

 


On 14/04/2020 17:17, Gordon Henderson wrote:
> On Tue, 14 Apr 2020, Eion MacDonald wrote:
> 
>> If living there, I would prefer *something rather than nothing*.
>> No ability to buy NHS high spec, high cost stuff.
> 
> People are *grossly* overthinking this.
> 
> When we wanted to, we could build a oil fired steam powered cargo ship
> from plate steel to launched and sailing over the atlantic in under a
> day. (3 ships every 2 days)
> 
> https://en.wikipedia.org/wiki/Liberty_ship
> 
> So:
> 
> A welder and some sheet metal and girders that you can weld and cut.
> Some neoprene or latex rubber. (From a standard diving drysuit) A motor.
> Pullys or a gearbox, metal rods and a good engineer could make the first
> workable "Iron Lung" in a day or 3. Subsequent ones will be much faster
> to fabricate. No computer required.
> 
> https://en.wikipedia.org/wiki/Iron_lung
> 
> Polio victims have lived in these for decades.
> 
> and the idea is already gaining traction:
> 
> https://www.telegraph.co.uk/news/2020/04/11/iron-lung-backed-stephen-hawkings-family-trialled-covid-19-patients/
> 
> 
> https://www.theengineer.co.uk/exovent-covid-19-ventilator/
> 
> (although I have no idea why that looks like it has some sort of
> computer control and flasing lights on it - completely not needed - you
> can mechanically control the tidal volume to the required amount
> (usually 4 liters or so) and stick in a standard mechanical over
> pressure valve to stop over inflation.
> 
> Gordon
> 

Many Thanks for link to exovent.
-- 
Regards
Eion MacDonald

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