3D Printed Circuit Splitter and Flow Restriction Devices for Multiple Patient Lung Ventilation

Clarke, A. L, Stephens, A. F., Liao, S. Byrne, T. J. Gregory, S. D. (2020). Coping with COVID-19: ventilator splitting with differential driving pressures using standard hospital equipment. Anaesthesia

Clarke, A. L. (2020). 3D printed circuit splitter and flow restriction devices for multiple patient lung ventilation using one anaesthesia workstation or ventilator. Anaesthesia

Downloadable Files

• Download the printable files from Prusa Printers
• Technical Drawing for 2mm flow restrictor

Selected References

• Neufeld, Johnson, and deVeth, “Safety of Anaesthesia Breathing Circuit Connectors.”
• Neyman and Irvin, “A Single Ventilator for Multiple Simulated Patients to Meet Disaster Surge.”

Interesting ideas from around the web

• LRTee: 3D Printed Ventilator Splitter
• Differential Multiventilation International Working Group
• GalwayVentShare
• A better way of connecting multiple patients to a single ventilator
• Splitting one ventilator for multiple patients – a technical assessment

Last updated: April 18, 2020