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Re: PC & VC with CMV & IMV & CSV in one high-pressure system.


 

and to clarify, the flow regulators reduce the pressure so would only work with a pump/bellows style ventilator that represurises the gas.




Erich Schulz,?mbbs, mba, fanzca
0410 277 408


On Sun, 19 Apr 2020 at 12:39, Erich Schulz via <erichbschulz=[email protected]> wrote:
To be honest, I haven't seen any high pressure O2/Air blenders that are not incorporated into ventilators. The standard method of blending is to use flow regulators

I'm waiting for the UQ hackathon students to publish their projects but several of the 33 teams did look specifically at the challenge of fabricating such a device.

Erich Schulz,?mbbs, mba, fanzca
0410 277 408


On Sun, 19 Apr 2020 at 12:11, Tom, wb6b <wb6b@...> wrote:
On Sat, Apr 18, 2020 at 06:47 PM, Steve S wrote:
What is the current proposed method of O2 introduction?
The primary project on this group is using a compressed O2/air mixer device that is apparently part of the normal things around a hospital.

Here is a post that suggest the possibility of using a fuel injector as a valve that can be pulsed at a rapid rate. If a regular solenoid valve was not fast enough to provide small enough bursts of air/O2 for easy mixing.

/g/VentilatorDevelopers/message/1609

Tom, wb6b

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