Electronics > Projects, Designs, and Technical Stuff

Sprint Day 0: An Open Source ventilator project you can believe in.

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Enginerding:

--- Quote from: EEVblog on March 31, 2020, 07:16:25 am ---
--- Quote from: Enginerding on March 31, 2020, 06:44:43 am ---
--- Quote from: Simon on March 31, 2020, 06:40:51 am ---someone that knows how a ventilator works?

--- End quote ---
Would you like to join the steering committee?

--- End quote ---

I suspect he can't, he's too busy perfecting his sarcasm generator.

--- End quote ---

Honestly not sarcasm.  I'm Autistic, so I speak in a very straightforward way.

I think Simon would be a great asset, which is why I think he'd be great on the steering committee.

-Dan

EEVblog:

--- Quote from: Enginerding on March 31, 2020, 06:34:40 am ---To evaluate this we'll need a few each of volunteers who have specialization/experience with;
- motor guys (brushless DC blower motors?)
- display, human interface dudes.
- power supply people
- pressure sensors/wheatstone bridge types (I have experience here with IPB sensors)
- instrumentation op-amp types
- ADC guys
To name a few...what else?

--- End quote ---

Some who actually knows about ventilator design in detail. Not just using them, not just a doctor, not just an emergency specialist, but an actual designer who knows the intricate detail of existing commercial ventilator designs and can replicate it. Probably people from a CPAP background at least.
If you don't have that expertise, even with the best mechanical and product design people in the world, it's a no-go.
Unless of course you want to be one of the other many DIY kludge projects. But hey, to be fair, a good DIY kludge project might help some people if done right. But you also have to be sure it's not going to kill people.

EEVblog:

--- Quote from: Enginerding on March 31, 2020, 07:18:11 am ---
--- Quote from: EEVblog on March 31, 2020, 07:07:03 am ---
--- Quote from: Enginerding on March 31, 2020, 05:36:32 am ---
--- Quote from: EEVblog on March 31, 2020, 05:21:15 am ---You are the one who has claimed they don't have promise, please explain why they don't.

--- End quote ---
Agree.
Here's the Github for the project University of Florida Medical School Project I linked before.  I read the files, not much more than a theory of operation.  No BOM. 
https://github.com/CSSALTlab/Open_Source_Ventilator

--- End quote ---

Ok. But at least I see spec documents for what seems like all the main modules, and some source code. Lats commit a weeks ago, so maybe they have more and just haven't checked it in yet because they too busy working on stuff?
You'd have to check whatever chat/forum type system they are likely using to coordinate to get the latest stuff.
At least they have something.
Again, why does it not seem "promising"? they are more advanced than what you have. Is there something fundamentally wrong with their approach?

--- End quote ---

This is their forum.  https://simulation.health.ufl.edu/forums/forum/open-source-ventilator-project/

Fewer unique posts than this thread.  It's marketing wank.  Maybe this is a uniquely American thing, but in the US universities do projects like this to generate media, not for completion.

--- End quote ---

Ok, tick (or cross). Next.
Go through the list, it's not going to take a week. Perhaps you'll luck upon one that is doing well?

EEVblog:

--- Quote from: Enginerding on March 31, 2020, 07:21:24 am ---
--- Quote from: EEVblog on March 31, 2020, 07:16:25 am ---
--- Quote from: Enginerding on March 31, 2020, 06:44:43 am ---
--- Quote from: Simon on March 31, 2020, 06:40:51 am ---someone that knows how a ventilator works?

--- End quote ---
Would you like to join the steering committee?

--- End quote ---
I suspect he can't, he's too busy perfecting his sarcasm generator.

--- End quote ---
Honestly not sarcasm.

--- End quote ---

It was sarcasm from Simon, because it was obvious to everyone that such a team needed someone first and foremost someone who knows how to design a working and effective and safe ventilator.

Daixiwen:

--- Quote from: Enginerding on March 31, 2020, 06:49:48 am ---
--- Quote from: Daixiwen on March 31, 2020, 06:43:08 am ---maybe someone with a medical background? just sayin'

--- End quote ---

Done; a hospital anesthetist contributing who uses ventilators everyday, as stated in OP, and I have 19 years of emergency medical experience.   If we get down the progress road, I will be happy to bring in a colleague who's an emergency physician.  Though, I think the anesthetist will satisfice for now.

--- End quote ---
I was more thinking about someone having design experience in medical equipment. Electronics need to be a bit more robust than the usual, and some suppliers don't even want to sell components for medical use.

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