BeneVision N22/N19 Patient Monitor Operator’s Manual 22 - 5
◆ For non-intubated patients, place the nasal cannula onto the patient.
4. Connect the gas outlet to the scavenging system using an exhaust tube.
After the CO
2
module is connected to the SMR, it enters measure mode by default and the monitor displays CO2
Starting
. CO
2
can be measured after the start-up is complete.
• Connect the gas outlet to the scavenging system when measuring CO
2
using the sidestream CO
2
module.
• The watertrap collects water drops condensed in the sample line and therefore prevents them from
entering the module. To avoid blocking the airway, empty the watertrap container whenever half
full.
• The watertrap has a filter preventing bacterium, water and secretions from entering the module.
After long-term use, dust or other substances may compromise the performance of the filter or even
block the airway. In this case, replace the watertrap. Replacing the watertrap once a month is
recommended.
• Do not apply adult watertrap to the neonate patient. Otherwise, patient injury could result.
• To extend the lifetime of the watertrap and module, disconnect the watertrap from the module and
set the operating mode to Standby mode when CO
2
monitoring is not required.
• The sapmle rates are different when different types of watertraps are used.
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