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. Author manuscript; available in PMC: 2020 May 4.
Published in final edited form as: Expert Rev Med Devices. 2020 Apr 30;17(6):477–481. doi: 10.1080/17434440.2020.1756771

Table 1.

Examples of Open Source Critical Medical Devices

Description Source Limitations
NanoHack Protective Mask: Provides basic protection for from airborne particles. Files:
https://copper3d.com/hackthepandemic/
https://3dprint.nih.gov/discover/3dpx-013667
-Proof-of-concept design
-Requires a proprietary antimicrobial material
-Last resort device, intended for the general public use
-Difficult to sterilize
H Connector for Ventilators: Expanded use of a single ventilator to ventilate four simulated adults Files:
https://copper3d.com/hconnector/
-Proof of concept design
-Need mechanical characterization data
-Only compatible with 22 mm tubbing
-Difficult to sterilize
Prusa Protective Face Shield: Provides protection from large splashes. Files:
https://www.prusaprinters.org/prints/25857-prusa-protective-face-shield-rc1
-Requires third-party shield
-Difficult to sterilize
-Requires the use of antimicrobial polymer
Reanimation valve:
Connects to a Venturi Oxygen mask to regulate the percentage of oxygen delivery.
Files:
https://grabcad.com/library/respirator-free-reanimation-venturi-s-valve-1
-Proof of concept design
-Need mechanical characterization data
-Difficult to sterilize
Hands-Free Door Opener: Attaches to door handle to prevent microbial contamination. Files:
https://www.materialise.com/en/hands-free-door-opener
-Requires third-party hardware
-Difficult to sterilize