Pulmonary ventilator

does anyone have the mechanical design of a pulmonary ventilator for immediate production? We need to produce this machine anywhere in the world in this instant of pandemic
1 Answer

DIY Automatic ventilation for AMBU bags 3d printable / made with laser cut acrylic
Respirador COVID -19 solo lo comparto para que los impriman PRINTER HERE NOT FOR DISTRIBUTION
Mask for Respirator-Free Reanimation Venturi's Valve
Imprima, distribua, repasse pra frente. força irmão, paz!