Respirator-free reanimation Venturi’s valve (rev. 4) – from the GrabCad Community
Emergency mask for hospital ventilators – made with Scuba masks (provided by the Italian designers)
The maker community has created an open-source compendium of manufacturing blueprints and specs for many of the critical items on state and hospital critical needs lists. The specs are housed in a Google doc that has a great deal of information and is a good source of manufacturing information for making the following:
PPE
Powered Air Purifying Respirators (PAPR/CAPR)
Face Shields (Full Face Protection / FFP)
Medical Supplies
Flow-Splitters for Oxygen Supply
Venturi Masks (High Flow)
Devices
Negative Pressure Rooms
Non-Heated Humidifier (aka Cool-Mist)