Fig. 2From: Increasing ventilator surge capacity in COVID 19 pandemic: design, manufacture and in vitro–in vivo testing in anaesthetized healthy pigs of a rapid prototyped mechanical ventilatorIn vivo study method showing operating theater set up, the pig position and instrumentation and monitoring. Pig mechanically ventilated using test ventilator. In line pressure manometer, side stream FiO2 and capnography and adjustable PEEP valveBack to article page