Open Source Respirators & Ventilators

Open Source Respirators & Ventilators - open-source assistive technology working model by the Coronavirus (COVID-19) community

About this project

This design was is part of the popsolutions Open Ventilator wiki, which is a collaborative effort of professionals from different fields. ( https://www.popsolutions.co/en_US/openventilator ). The idea is to provide a reliable source of ventilation for people in difficult economical situations. The parts are made to be easily found, technical features are still being decided, the ventilator has not being validated yet. Check the Resources section for more information.

The challenge

There is a world wide shortage of ventilators.

Who it helps

In the most severe cases of COVID-19, many patients contract pneumonia, and those who are hospitalized for COVID-19 often require mechanical ventilation or are put on ventilators when they are placed in Intensive Care Units.

How it works

OpenVentilator

Welcome to the OpenVentilator project. This is an OpenSource Ventilator / Mechanical Respirator for the Covid-19 Crisis.

This initiative as well as OpenLung was born on the Open Source COVID19 Medical Supplies Facebook Group by the awareness on creating a Ventilator solution for the scarcity plaguing our society world wide. I contacted Jeremias Almada from Argentina who by that time had presented an Ambu solution and a Cad Design. The idea was interseting but needed improvments

Since than we tryied to stablish some development and community standards and changed several times the project

Main Goal

Design, Build, Validate and Supply a reliable Ventilation Medical Equipment for people/regions/countries in dificult economical situations. (That's is why we didn't continued putting efforts on the projects being developed by other teams who have a different society and economical reality)

The equipment must have as few industrial parts as possible. If necessary, industrial parts must be easily accessible, even in small towns and villages.

The equipment should be built independent of the main motor or the ventilation tool (AmbuBag, Bellow etc) to increase modularity of the parts and resources

The equipment can be built with as few tools as possible, and even with the use of scrap to facilitate access to materials.

Thechnical features are still being decided, the ventilator has not being validated yet.

Technical & Medical Requirments (MVP)

[x] Adjusting the ventilation volume 200ml ~ 900ml

[x] Ventilation frequency adjustment 10~25/min

[x] Adjusting the proportion between inhalation and exhalation 1/1 ~ 1/6

[x] Inlet air filtration

[x] Inlet air humidification

[x] Filtration of the exhaust air system with anti-contamination sanitary standards

Risk Control

PEEP Valve control between 1mm/h20 ~ 40mm/h20

Mechanical Volumetric Ventilation Adjustment

Contagion reduction by contaminated air

Sanitary Regulation Brazil Regulations

Success Criteria

Validated Prototype (Looking for partners for testing on Lung Simulators)

Modules

Electronic Controller Status Testing

Mechanical Motor Status Implementing

Ventilator Status: Validation

Humidifier Status: Design

Filtering status Implementing

Peep Valve Status: Adopted - Thanks to ProjectOpenAir

Breathing tube Status: Testing

Research we based on

For more information: https://www.popsolutions.co/openventilator

To join the whatsappgroup: https://chat.whatsapp.com/HRMx9xzVdt8Gpmwgm7ZVZ3

Slack Channel

Documentation, Hardware, Design and Code discussions: https://join.slack.com/t/openventilator-c-19/shared_invite/zt-cymrzj50-KcwgV5tBAX4WqlmfE43QEg

OpenVentilator OpenVentilator OpenVentilator

If I have seen further it is by standing on the shoulders of Giants.

Speciall thanks to:

Jeremias Almada

Fabian Franz

Jose Ignácio Méndez

Washington Perez

Jaqueline Passos

Amanda Pellini

Marguel Gutierrez

Henrique Aguilar

Ronaldo Alves

Wendell Mendes

Rodrigo Borges

Henrique Nery

Carlos Delfino

The MIT guys from this paper: Abdul Mohsen Al Husseini, Heon Ju Lee, Justin Negrete, Stephen Powelson, Amelia Servil, Alexander Slocum, Jussi Saukkonen.

All our families, wifes and husbands that for the last days have been supporting us on our crazyness All the doctors, nurses and paramedics on the field fighting this common enemy

Project details

The build files for Open Source Respirators & Ventilators are free to download from this page - open source, shared by TOM: Tikkun Olam Makers.

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