Fig. 2From: Rebounds of sevoflurane concentration during simulated trigger-free pediatric and adult anesthesiaExperimental setup and gas flow diagram of Dräger® Primus®, modified from Drägerwerk AG & Co, Lübeck, Germany with kind permission. APL adjustable pressure limiting, HME heat and moisture exchanger, PEEP positive endexpiratory pressure, pmax maximum pressure, V gas flow sensor, P pressure sensor, IMS ion mobility spectrometerBack to article page