10.1 Introduction
The anesthesia system can operate in several
different ventilation modes. This chapter
describes these modes, their settings and
associated safety information.
See Chapter 10, 'Alarms and patient safety',
for a detailed description of setting alarm
limits.
WARNING! To protect the patient’s lungs
from excessive pressure, it is important to
always set the upper pressure limit to a
suitable value.
10.2 Manual Ventilation
Manual Ventilation is carried out using a
traditional breathing bag. The use of a manual
breathing bag tube is required. The size of the
breathing bag and tube may differ based on
the size of the patient. The manual breathing
bag model should comply with ISO 5362:2006.
The APL valve (Adjustable Pressure Limiting
valve) relieves the patient circuit of excess
pressure at user defined values and ventilates
the gas into the AGS.
WARNING! When air only is used during
manual ventilation, make sure the fresh gas
flow is set sufficiently high to prevent
re-breathing.
CAUTION: During spontaneous ventilation,
always use CO
2
monitoring and maintain
visual control of the manual breathing bag.
10.2.1 Important considerations
The following alarms are disabled during
manual ventilation:
• Airway pressure: High
• High continuous pressure
• Excessive leakage.
• Leakage
210
FLOW-i 4.2, User's Manual
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| Ventilation modes |
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