11.4 Patient circuit
The patient circuit configuration are intended
to provide the following range of inspired tidal
volume:
• 22 mm tubing, Tidal Volumes 100 - 2000 ml.
For information regarding patient circuit
configurations to be used with SERVO-s
Ventilator System, see System Flow Chart,
Ventilation, Patient Connection, part no. 66 92
522.
11.4.1 Patient circuit test
In the Pre-use check, the patient circuit is
tested to determine if it is within these
recommended ranges. If the tested parameters
are within the specified ranges, the
inaccuracies stated are maintained.
• Inspiratory resistance: 0 - 8.5 cmH
2
O/l/s at
flow rate 60 l/min
• Expiratory resistance: 0 - 8.5 cmH
2
O/l/s at
flow rate 60 l/min
• Compliance: 0.5 - 5.0 ml/cmH
2
O at airway
pressure 50 cmH
2
O.
The limits used in the presentation under
Status>Patient Circuit are adjusted for
measurement inaccuracy.
11.5 Inspiratory channel
Pressure drop
Maximum: 6 cmH
2
O at a flow of 60 l/min
Internal compressible factor
Maximum: 0.1 ml/cmH
2
O
Gas delivery system
Microprocessor controlled valves
Gas delivery device
Flow range:
• 0 - 3.3 l/s
• Inaccuracy: ±(0.1 ml/s + 5 % of set value)
Maximum pressure setting
• 120 cmH
2
O
• Inaccuracy: ±(1 cmH
2
O +5 % of set value)
Maximum airway pressure
125 cmH
2
O
NIV Max leakage compensation level
65 l/min
O
2
concentration
• Setting range: 21 - 100%
• Inaccuracy: ± 3 vol% O
2
Inspiratory Minute Volume
• Setting range: 0.5 - 60 l/min
• Inaccuracy ±(0.18 l/min + 7 % of set value)
4
Inspiratory Tidal Volume
• Setting range: 100 - 2000 ml
• Inaccuracy: ±(4 ml + 7 % of set volume)
4. at RR <45 b/min
150
SERVO-s VENTILATOR SYSTEM V8.0, User's Manual
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| Technical data |
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