GE Healthcare Aestiva_5 MRI anesthesia machine - Manual (Page 3)

Ventilator operating specifications
Ventilation operating modes
Volume Control
Pressure Control
Synchronized Intermittent Mandatory Ventilation (SIMV)
(optional)
Pressure Support (PSVPro) with Apnea Backup ventilation
(optional)
Ventilator (V
T
) parameter ranges
Tidal volume
range:
20 to 1500 mL (Volume Control
and SIMV modes)
Incremental
settings:
20 to 100 mL (increments of 5 mL)
100 to 300 mL (increments of 10 mL)
300 to 1000 mL (increments of 25 mL)
1000 to 1500 mL (increments of 50 mL)
Minute volume
range:
0 to 99.9 L/min
Pressure
(P
Inspired
) range: 5 to 60 cm H
2
O (increments of 1 cm H
2
O)
Pressure
(P
limit
) range: 12 to 100 cm H
2
O (increments of 1 cm H
2
O)
Pressure
(P
support
)
range: OFF, 2 to 40 cm H
2
O (increments of 1 cm H
2
O)
Rate: 4 to 100 breaths per minute for Volume
Control and Pressure Control; 2 to 60
breaths per minute for SIMV, PSVPro and
SIMV–PC+PSV (increments of 1 breath
per minute)
Inspiratory/
expiratory ratio: 2:1 to 1:8 (increments of 0.5)
Inspiratory time: 0.2 to 5 seconds (increments of 0.1 seconds)
(SIMV and PSVPro)
Trigger window: 0 to 80% (increments of 5%)
Flow trigger: 0.2 to 1 L/min (increments of 0.2 L/min)
1 to 10 L/min (increments of 0.5 L/min)
Inspiration
termination
level:
5 to 75% (increments of 5%)
Backup
mode delay:
10 to 30 seconds (increments of 5 seconds)
Positive End Expiratory Pressure (PEEP)
Type: Integrated, electronically controlled
Range: OFF, 4 to 30 cm H
2
O (increments of 1 cm H
2
O)
Ventilator performance
Pressure
range at inlet:
240 kPa to 700 kPa/35 psig to 100 psig
Peak gas flow: 120 L/min + fresh gas flow
Flow valve
range:
1 to 120 L/min
Flow
compensation
range:
200 mL/min to 15 L/min
Ventilator monitoring
Expiratory
minute
volume range:
0 to 99.9 L/min
Expiratory tidal
volume range:
0 to 9999 mL
O
2
%: 8 to 100%
Peak pressure: –20 to 120 cm H
2
O
Mean pressure: –20 to 120 cm H
2
O
Plateau
pressure:
0 to 120 cm H
2
O
Pressure
waveform
sweep speed:
2 to 25 breaths per minute (0 to 15 seconds)
26 to 75 breaths per minute (0 to 5 seconds)
75 breaths per minute (0 to 3 seconds)
AN3175-E.qxd 19.6.2006 12:37 Sivu 3