50 Instructions for use | Atlan A100 (XL), A300 (XL), A350 (XL) SW 2.1n
Overview
3.2.12 Safety functions
3.2.12.1 Emergency O2 delivery (electronically controlled gas mixer)
CAUTION
Risk of increased anesthetic agent delivery
When the emergency O
2 delivery (Add. O2) is in use, anesthetic agent continues to
be delivered into the breathing system in accordance with the vaporizer setting.
When the emergency O
2 delivery is used during low-flow anesthesia or minimal-
flow anesthesia, an increased quantity of anesthetic agent may enter the breathing
system. This may lead to an increased anesthetic gas concentration.
► Carefully monitor the gas mixture.
1. Check the vaporizer setting.
2. Set the O
2 switch (1) upwards to the Add. O2 position.
WARNING
Risk of fire
In combination with oxygen or nitrous oxide, ignition sources such as
electrosurgical devices and laser surgical devices can cause fires.
► If ignition sources are present, do not open the flow control valve on the O
2
flowmeter. Leave the flow control valve completely closed.
3. Open the flow control valve (2) on the O
2 flowmeter and set the desired flow.
This O
2 flow flows through the vaporizer.
3.2.12.2 Backup manual mode
In various technical fault situations, the backup manual mode enables a direct
changeover to manual ventilation in order to continue the therapy. When the backup
manual mode is activated, an acoustic and optical alarm signal is issued with high
priority. The alarm is automatically downgraded to low priority after 20 seconds (see
"Alarm delay, alarm escalation, and alarm deescalation", page 198).
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