ATMO-Vent: an adapted breathing atmosphere for COVID-19 patients

Thasshwin Mathanlal* (Corresponding Author), Miracle Israel Nazarious, Roberto Mantas-Nakhai, Maria-Paz Zorzano Mier, Javier Martin-Torres

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)
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The ongoing worldwide pandemic of coronavirus disease 2019 (COVID-19), has been one of the most significant challenges to humankind in centuries. The extremely contagious nature of the SARS-CoV-2 virus has put forth an immense pressure on the health sector. In order to mitigate the stress on the healthcare systems especially to battle the crisis of mechanical ventilators, we have designed a modular, and robust DIY ventilator, ATMO-Vent (Atmospheric Mixture Optimization Ventilator) which can be fully mounted within two days by two operators. The ATMO-Vent has been designed using low-cost, robust, Commercial Off The Shelf (COTS) components, with many features comparable to a full-fledged ventilator. ATMO-Vent has been designed based on the United Kingdom Medicines & Healthcare products Regulatory Agency (UK-MHRA) guidelines for Rapidly Manufactured Ventilator System (RMVS), yet is scalable to the specific requirements of different countries. ATMO-Vent is capable of adjusting the Fraction of Inspiratory Oxygen (FiO 2) levels, Tidal Volume (TV), frequency of breaths, Inspiratory/Expiratory ratio (I/E), Peak Inspiratory Pressure (PIP) and Positive End-Expiratory Pressure (PEEP). ATMO-Vent can operate in two modes - Continuous Mandatory Ventilation (CMV) using Volume-Controlled Ventilation (VCV) and in Assisted Control (AC) mode with pressure triggered by the patient. ATMO-Vent has undergone rigorous testing and qualifies under Class B Electric and Magnetic Compatibility (EMC) requirements of EN 55,011 CISPR 11 standards.

Original languageEnglish
Article numbere00145
Number of pages25
Early online date26 Sept 2020
Publication statusPublished - Oct 2020

Bibliographical note

The authors of the paper would like to acknowledge Andreas Nilsson from Department of Computer Science, Electrical and Space Engineering of the Luleå University of Technology (LTU), Sweden, for his support in procurement and EMC testing of the ATMO-Vent. The authors would also like to thank Luleå University of Technology for access to facilities during the development of ATMO-Vent. The authors would like to acknowledge Teknikens Hus for their support in machining operations. MPZ has been partially funded by the Spanish State Research Agency (AEI) Project No. MDM-2017-0737 Unidad de Excelencia “María de Maeztu”- Centro de Astrobiología (INTA-CSIC).


  • Mechanical ventilator
  • air-oxygen mixing
  • low-cost
  • rapid development time
  • Commercial Off The Shelf
  • Low-cost
  • Commercial off the shelf
  • Air-oxygen mixing
  • Rapid development time


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