22 - 4 BeneVision N22/N19 Patient Monitor Operator’s Manual
22.5 Measuring CO
2
Using Sidestream/Microstream CO
2
Module
22.5.1 Preparing to Measure CO
2
Using Sidestream CO
2
Module
To prepare the CO
2
module for measurement, follow this procedure:
1. Select the appropriate gas sample line and watertrap according to the patient category.
2. Connect the watertrap to the CO
2
module, and connect the gas sample line to the watertrap.
3. Connect the other end of the gas sample line to the patient.
â—† For intubated patients requiring an airway adapter, install the airway adapter between the patient
circuit and the ventilator Y-piece.
(1) O
2
waveform (2) FiO
2
measurement (3)EtO
2
measurement
(1) Watertrap fixer (2) Watertrap
(3) Sample line (4) Connect to the ventilator
(5) Airway adapter (6) Connect to the patient