Anesthesia Gas Monitoring
18-10
18.4 Maintenance and Cleaning
WARNING
z Make sure that one patient sample line is used for only one patient.
Occlusion handling
If the AG module passage is occluded, the screen will prompt “AG OCCLUSION”.
Following are a few examples of occlusion, which you may remove one by one until
this message disappears.
Entrance occlusion
If the part at the entrance such as the filter, sample line or airway adapter is occluded
by the condensed water, the system will prompt on the screen that the airway is
occluded.
The optimal method to remove clogs of this kind is:
Check the filter for clogs. If it is clogged, replace the bacteria filter at the
entrance.
Check the sample pipe for clogs or knots. Replace it if necessary.
Check the airway adapter for water. If necessary, drain the water and install the
adapter again.
Internal Occlusion
If the interior of the AG module is contaminated by the condensed water, the system
will prompt on the screen that the airway is occluded.
The optimal method to remove clogs of this kind is:
1. Check, as usual, the entrance or the exit for clogs, and remove them if any.
2. If the occlusion still exists after step 1, check for the existence of interior
occlusion. In this case, contact our Customer Service.
Removing Exhaust Gases from the System
Anesthetics: When using the CO
2
measurement on patients who are receiving or
have recently received anesthetics, connect the outlet to a scavenging system, or to
the anesthesia machine/ventilator, to avoid exposing medical staff to anesthetics.
To remove the sample gas to a scavenging system, connect an exhaust tube to the
gas outlet connector of the module.
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