Description: Open source ventilator effort based on electronics good design solutions.
Good mechanical ventilation design requires expensive sensor arrays and specialized hardware? No. Our ventilator is build from a few injection molded parts, a drone motor, a PCBA with pressure sensors and a large screen, similar to a electonics consumer good. Everyone can contribute and manufacturing costs are cut by over 10 fold.
The lower tray of the design is the only part that comes into contact with patient's air. Separate it from the upper half and sterilize it in an autoclave after each use. Electronics and sensors are isolated at the upper sealed compartment, which only needs to be desinfected.
Compressor: a centrifugal blower driven by a precisely controlled DCBM to regulate pressure and flow. Flow sensor: ultrasound time-of-flight sensor based on specialized ICs. Oxygen sensor: magnetic force sensor based on a volumetric pump and differential pressure sensor driven by an AC magnet. A lock-in amplifier than gets the tiny signal even in a noisy environement. User Interface: at the core of good design is a good interface to the user. A large capacitive touch screen with big brains for fluid UI, no