5.4.4 Volume control with alternative flow
patterns
When the Volume Control with alternative flow
patterns is enabled in the start-up
configuration, new touchpads for setting of
alternative flow patterns are available in
Volume Control and SIMV (VC)+PS.
1 3
2
4
1. Volume control with flow adaptation
2. Volume control without flow adaptation
3. Volume control with decelerating flow
4. Flow pattern
See section User Interface Symbols on
page 20.
Volume Control with flow adaptation
The ventilator interacts with the patient and
delivers the extra volume requested regardless
of the settings. See section Flow adaptation
on page 62.
To ventilate with Volume Control with flow
adaptation:
• Press the Volume Control with flow
adaptation touchpad.
• Press Accept.
Volume Control without flow adaptation
The ventilator delivers volume strictly
according to the settings.
To ventilate with Volume Control without flow
adaptation:
• Press the Volume control without flow
adaptation touchpad.
• Press Accept.
Note: Set trigger sensitivity at an adequate
level. A patient who needs more ventilation
may increase the breathing frequency
instead of increasing the flow during
inspiration.
Volume Control with decelerating flow
The ventilator delivers a decelerating flow
according to Flow pattern settings.
To ventilate with decelerating flow:
• Press the Volume control with decelerating
flow touchpad.
• Press the Flow pattern touchpad and set
the flow pattern with the Main Rotary Dial.
The flow pattern can be set so that the end
inspiratory flow is 75 %, 50 % (default),
25 % or 0 % of the peak flow.
• Press Accept.
SERVO-s VENTILATOR SYSTEM V8.0, User's Manual
65
| Ventilation, modes and functions |
5 |
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