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The maximum leakage flow value is according to the below table. These limits are used in
the measurement of leakage flow.
pediatric
adult
It should be noted that added volume to inspiratory volume could be limited in the above
conditions.
In order to display actual flow delivered to the patient, the leakage flow value is used to
correct inspiratory flow and volume curves and also VTi parameter.
The parameters of the expiratory flow including MV, PFe, Vte and MV Spont will not be
compensated. In addition, the other parameters for which expiratory flow values are used (e.g
RCe) could be measured incorrectly in case of leakage.
In the pressure modes, the set pressure is compensated through increasing the delivered flow
and then flow and volume curves and parameters are corrected.
Note:
If expiratory flow sensor is faulty or inactive, the leak compensation will not be enabled. If
the sensor is disabled or fails to function during the compensation, the leak compensation will
not be disabled. In this condition the compensation is not possible and the leakage flow will
be zero. The compensation will be resumed when the problem is resolved.
Warning
If leakage compensation or compliance compensation is enabled in volume-
controlled modes, delivered flow by the device may be different from the set
flow.
8-4
Non Invasive Ventilation (NIV)
Non Invasive Ventilation is a function available in P-SIMV and PSV modes of the Respina
P1 Ventilator. If this function is enabled, (NIV) will be shown next to current mode. The NIV
is basically designed for the leak compensation, thus activation of the leak compensation is a
prerequisite for this function. Thus when the leak compensation is set to Off, the user can not
enable the NIV and when the NIV is set to On, the user will not be able to disable the leak
compensation.
Invasive
15 l/min
20 l/min
NIV
30 l/min
50 l/min
85
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