Updated May 21, 2020

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A low cost design for mechanical ventilator with a complete electronic and mechanical design and with the objective of make a opensource firmware and cads.

A mechanical ventilator is a support breathing machine that helps people when they are not
able to breathe enough on their own, in addition it can replace spontaneous breathing at all.
The device has been designed by a group of 7 students of mechanical and electronic
engineering from different universities, united by the motivation of contributing to the
...
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A mechanical ventilator is a support breathing machine that helps people when they are not
able to breathe enough on their own, in addition it can replace spontaneous breathing at all.
The device has been designed by a group of 7 students of mechanical and electronic
engineering from different universities, united by the motivation of contributing to the
overcoming of the health emergency that is happening in the world at the moment. The
mechanical ventilation device is driven by an electric motor that transmits the movement
through a rack and pinion to a piston-plunger system, responsible for pumping with the desired
FiO2. This mechanical system has an electronic control system, and has the necessary
protections for its safety operation from the design, likewise the pneumatic system has several
valves that allows its proper functioning to ensure the desired conditions. The system has
been designed in a modular way, which allows an easy construction and repair of the device
with commercial elements easy to get and that it is possible to build and repair it with basic
tools by any person following the construction and use manuals. The device is designed to
work 14 days 24 hours continuously under the desired conditions of a hospital such as
cleaning, appropriate space, personnel with knowledge of ventilation parameters, etc. The
group expects to finalize design details and build a prototype in order to evaluate its
performance and validate it with experts in the field.
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