Fully printable Artificial Respirator - CoVent-19

Last crawled date: 1 year, 11 months ago

As a contribution in fighting against Covid-19, I designed this BiPAP Artificial Respirator which may help people with the disease. It is a fully printable, simple and low-cost device which works with the crankshaft principle. In fact, a simple electric motor rotates a disk which makes a slot move forward and backwards. An explaining video can be found here:
https://drive.google.com/open?id=16wMFSeaZbOV9-VTlchxO9XFnseEL3rwE

For simplicity, neither stepper motor is needed, nor Arduino programing. The motor can be replaced by any rotating device like a drill or an electric screwdriver.

Owing to the large number of patients occupying hospitals, AmbuBag can be unavailable, so no AmbuBag is needed.

Because peep valves are expensive, I used the one designed by Filip Kober.
https://grabcad.com/library/positive-ending-expiratory-pressure-valve-peep-rev-2-1

The device can supply 1, 2, 4, 6, or 10 patients depending on the motor's power.

The manufacturing method is 3D printing and the materials will be as follow:
1. Check valve and O-rings are to be printed in flexible resin or TPE filament;
2. The pump main body and the mask to be printed preferably in translucent PLA;
3. Due to its Smell, avoid using ABS filament for printing Piston and connectors;
4. Hoses are the commercial and standard ones;
5. The remaining parts will be printed in PLA or ABS.

The design of the head, the mask and the motor were imported from following:
- Human head: https://grabcad.com/library/covid-mask-mk3-1
- The Mask: https://grabcad.com/library/mask-for-respirator-free-reanimation-venturi-s-valve-1
- Motor: https://grabcad.com/library/electric-motor-79

Hope that it will be useful.