The high price of machine ventilators forces many hospitals in the poorest regions of the world to rely on a simple solution known as an Ambu Bag that requires constant manual pressure in order to get oxygen to the lungs.The Umbulizer is a mechanically powered version of the Ambu Bag.
More info & on-going efforts to design low-cost (incl. DIY/3d-printed) ventilators:
- gitlab.com/TrevorSmale/lo
- Open Source COVID19 Medical Supplies: facebook.com/groups/6709322
- https://coronavirustechhandbook.com/hardware
- https://projectopenair.org
- http://news.mit.edu/2019/umbulizer-sloan-health-care-innovation-prize-0225
- https://www.instructables.com/id/The-Pandemic-Ventilator