5.6.2.7 Sigh Parameters
With the Sigh function, the ventilator will periodically deliver extended breaths.
NOTE
During the sigh breath, the high pressure alarm will automatically be set 10 cmH
2
O
above set sigh pressure.
The following parameters are avialable in the menu, after enabling the Sigh function:
Sigh Rate
The Sigh rate sets the frequency of which breaths with an increased pressure are delivered
to the patient.
If the High Pressure alarm or the High Tidal Volume alarm is given, the Sigh function
will be disabled as long as the alarm condition remains.
Unit Min Max Default
1/ breath
10 250 50
Sigh %
Sigh % sets the increased % of the set pressure is delivered to the patient.
Unit Min Max Default
% 125 200 125
Sigh Inspiratory Time
Sigh inspiratory time sets the inspiratory time during sigh breaths.
Unit Min Max Default
s
Current Inpspira-
tory Time or
Backup Inspiratory Time
5 1.5
5.6.2.8 Rise Time
The Rise Time setting controls the speed of the pressure increase from start of inspiration
to set inspiratory pressure.
A low setting will give a faster increase and therefore a longer plateau at the set value. A
high setting will give a slower increase and therefore a shorter plateau.
Unit Min Max Default
Step 1 9 3
5.6.2.9 Insp. Trigger (Inspiratory Trigger)
The inspiratory trigger defines the patient’s effort required to initiate a ventilator assisted
breath. When the patient starts a breath, an increasing flow is created in the patient circuit.
If the patient’s effort reaches the set inspiratory trigger level an inspiration is initiated.
How to Use the Nippy 4
51
Doc. 006553 M-6 User Manual
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