Fig. 2From: Control of the expiratory flow in a lung model and in healthy volunteers with an adjustable flow regulator: a combined bench and randomized crossover studySchematic drawing of the setup for the measurements with the lung model (A) and with healthy volunteers (B). ETT endotracheal tube; ID inner diameter; Plung pressure inside the lung model, Paw airway pressure at the Y-piece; Ppost pressure behind the flow regulatorBack to article page