... design ANESTHESIA VENTILATOR Driven modesPneumatically driven and electrically controlled, time switch, volume constant Ventilation modesIPPV, manualRespiratory rate6bpm40bpmTidal volume50ml~ ... limit, Lower airway pressure limit, Power failure, Silence time for alarm, Alarm for oxygen supply failure.Anesthesia machine ... Piece/Pieces Portable Anesthesia machine with ventilator, High quality equipment