Monitoring AG
14-3
14.4 Connecting AG Accessories
1. Select an appropriate watertrap according to patient category and attach it to the module.
2. Connect the gas sample line to the connector of the watertrap.
3. Connect the other end of the gas sampling line to the patient via the airway adapter.
4. Connect the gas outlet to a scavenging system using an exhaust tube.
CAUTION
z Position the airway adapter so that the part connecting to the gas sample line is
pointing upwards. This prevents condensed water from passing into the gas sample
line and causing an occlusion.
z The watertrap collects water drops condensed in the sampling line and therefore
prevents them from entering the module. If the collected water reaches to a certain
amount, you should drain it to avoid blocking the airway.
z The watertrap has a filter preventing bacterium, water and secretions from
entering the module. After a 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.
WARNING
z Make sure that the connections are tight. Any leak in the system can result in
erroneous readings due to ambient air mixing with patient gases.
z Do not apply adult watertrap to the neonate patient. Otherwise, patient injury could
result.
AG module
Exhaust tube
Gas sample line
Airway adapter
Connect to the patient
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