Article ; Online: A Simple Ventilator Designed To Be Used in Shortage Crises: Construction and Verification Testing.
JMIR biomedical engineering
2021 Volume 6, Issue 3, Page(s) e26047
Abstract: Background: The COVID-19 pandemic has demonstrated the possibility of severe ventilator shortages in the near future.: Objective: We aimed to develop an acute shortage ventilator.: Methods: The ventilator was designed to mechanically compress a ... ...
Abstract | Background: The COVID-19 pandemic has demonstrated the possibility of severe ventilator shortages in the near future. Objective: We aimed to develop an acute shortage ventilator. Methods: The ventilator was designed to mechanically compress a self-inflating bag resuscitator, using a modified ventilator patient circuit, which is controlled by a microcontroller and an optional laptop. It was designed to operate in both volume-controlled mode and pressure-controlled assist modes. We tested the ventilator in 4 modes using an artificial lung while measuring the volume, flow, and pressure delivered over time by the ventilator. Results: The ventilator was successful in reaching the desired tidal volume and respiratory rates specified in national emergency use resuscitator system guidelines. The ventilator responded to simulated spontaneous breathing. Conclusions: The key design goals were achieved. We developed a simple device with high performance for short-term use, made primarily from common hospital parts and generally available nonmedical components to avoid any compatibility or safety issues with the patient, and at low cost, with a unit cost per ventilator is less than $400 US excluding the patient circuit parts, that can be easily manufactured. |
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Language | English |
Publishing date | 2021-08-05 |
Publishing country | Canada |
Document type | Journal Article |
ISSN | 2561-3278 |
ISSN (online) | 2561-3278 |
DOI | 10.2196/26047 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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