840sevice教学资料 introduce讲义教材.ppt

NPB 840 Introduction;840 Introduction ;840 Introduction ;840 Introduction ;840 Introduction ;840 Introduction ;840 Introduction ;840 Introduction ;Operator Interface Operator selections Patient and ventilator performance Alarms Monitors BDU Communications Can be Mounted Separately Optional 3 Meter Cable;840 IntroductionBreath Delivery Unit (BDU);Automatically switches on and off and powers system for at least 30 minutes (full battery charge) if AC power is lost or very low Battery is automatically charged when ventilator connected to power Does not supply humidifier or compressor;Starts when ventilator is turned on Stops when AC power is low or Backup Power Supply (BPS) is in use Charges accumulator/heat exchanger at startup and maintains charge Receives electrical power from BDU and has two-way communications with BDU;Mounting of system components Mounting of accessories Cart makes system mobile Shelf mount eliminates need for floor space for ventilator;Conditions and conducts gas to and from the patient Adult or pediatric circuits, accessories, and humidifiers can be used Can use basic, hot wire humidifier, or HME (heat moisture exchanger)