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Acute Shortage Ventilator
SLAC Stanford;
Andrew Ames;
Martin Breidenbach;
Michael Bressack;
Pieter A Breur;
Eric Charles;
David M Gaba;
Ryan Herbst;
Christina M Ignarra;
Steffen Luitz;
Eric H Miller;
Brian Mong;
Tom A Shutt;
Matthias Wittgen
ABSTRACT
We have implemented an Acute Shortage Ventilator (ASV) motivated by the COVID-19 pandemic and the possibility of severe ventilator shortages in the near future.
The unit cost per ventilator is less than $400 US excluding the patient circuit parts.
The ASV mechanically compresses a self-inflating bag resuscitator, uses a modified patient circuit, and is commanded by a microcontroller and an optional laptop.
It operates in both Volume-Controlled Assist-Control mode and a Pressure-Controlled Assist-Control mode.
It has been tested using an artificial lung against the EURS guidelines.
The key design goals were to develop a simple device with high performance for short-term use, made primarily from common hospital parts and generally-available non-medical components, and at low cost and ease in manufacturing.
Citation
Please cite as:
Stanford S, Ames A, Breidenbach M, Bressack M, Breur PA, Charles E, Gaba DM, Herbst R, Ignarra CM, Luitz S, Miller EH, Mong B, Shutt TA, Wittgen M
A Simple Ventilator Designed To Be Used in Shortage Crises: Construction and Verification Testing