OpenVent - 3D printable tube adapters for respiratory ventilators

thingiverse

During the COVID-19 pandemic, a glaring lack of medical equipment became painfully apparent, causing a severe impact on patients. Even simple equipment and designs can be incredibly helpful when professional gear is nowhere to be found. This repository provides valuable information about an open-source ventilator device. The primary goal of this project is to create a ventilator using easily accessible components when no professional or medical equipment is available. A clear focus is placed on simplicity, availability, and scalability to ensure that the ventilator can be built quickly and efficiently. This project began as part of the #WirvsVirus Hackathon organized by the German government and has been intensively worked on since, with regular exchange with medical experts. The work is also a selected project in the give-a-breath-challenge and The Global Hack. Please review the full disclaimer before proceeding: The material and documentation provided here are offered without any warranties, explicit or implied. No information on this site is intended to provide medical advice. All designs are intended for investigational use only. This site does not represent any official policies or procedures. The project is provided "as is," without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose, and noninfringement. In no event shall the authors or copyright holders be liable for any claim, damages, or other liability, whether in an action of contract, tort, or otherwise, arising from, out of, or in connection with the software or the use or other dealings in the software. Only use this repository, designs, documentation, or any provided information if you accept the above disclaimer. Additional discussion, documentation, source code, electronics, and sensor design are available at GitHub (https://github.com/mhollfelder/openvent) and YouTube (https://www.youtube.com/channel/UCw9h6QsYEKY2sfZIYBNuHvw) and DevPost (https://devpost.com/software/openvent-open-source-3d-printable-ventilator). This project represents a further extension or variant based on our evolved design A1. Further extensions and upgrades will be posted here as well. Please check those too. General concept: Our ventilator components aim to use common connectors for the ventilator system, especially respiration tubes. For adult patients (children are less affected by coronavirus), mainly cone connectors at 15mm and 22mm diameter are used. Expiration is through a 30mm connector. These and more (e.g., 8.5 and 11.5mm for children, 23mm for vaporizers) are standardized in DIN EN ISO 5356-1:2015. In addition, 6mm connectors appear common for O2 pipes and some sensors. These designs are typically used in conjunction with our AMBU-bag ventilator or our CPAP ventilator and the related sensors. Please check our respective THINGS as well.