Air Collective Forum

MIT $100 ventilator thread

IMPORTANT: Currently, we need a prioritised list of exact requirements. Admins, feel free to edit as you see fit.

Hi here’s the resources so far on this design as a point of reference:

Post any questions regarding the MIT $100 ventilator design here.

Hey, I have a question concerning the design: What is used as the main bellows part? I’m familiar with all other parts, but cant figure that out.
Furthermore, am I getting this correct: this design does not include and valves or pressure regulation, nor does it humidify or filter the air in any way? If there is a reason for that, pls let me know? Is that a part of the design that still needs building? Thanks, looking forward to working on the design!

I’m not sure I know what you mean by ‘bellows’, but the MIT design has, at it’s core, a BVM (Bag, Valve, Mask) device, which is used in emergency situations to help a patient breath while the medical person squeezes the bag with their hands, carefully, and monitoring the person to get the right frequency and amount of air. These can be used for emergencies, but are hard to sustain. The idea of the MIT project and others is to automate the squeezing of this bag with a motor and control electronics, as well as a pressure valve to insure the machine doesn’t push too hard. Hope that helps answer your question.

BTW, here is a BVM on Amazon:
Not sure if that is the exact one they will specify, but at least I think it’s a good start for prototyping. Also note that that one is for infants only (same device, I believe, but a smaller mask for small kids). Last week I was able to order one on Amazon with two masks, an adult and an infant, but those seem to be scarce on Amazon today. Hopefully the shortage is temporary.