Maquet Servo-i Adult, Руководство пользователя, Страница: 26 / 283

24
Servo
…
User´s manual
US edition
Order No: 66 00 261
2
Infant Adult Universal Options
Weak patient effort k patient effort
1. At a Trigger sensitivity er sensitivity level above zero
(0), the ventilator senses deviations in
the bias flow caused by inspiratory
flow caused by inspiratory
efforts of the patient. The more to the he patient. The more to the
right on the scale, the more sensitive is
the trigger function.
unction.
2. Weak inspiratory effort.
3. Very weak inspiratory effort.
For further information see page 167. urther information see page 167.
WARNING! NING! If the trigger sensitivity is set too vity is set too
high, a self triggering (auto-triggering)
condition may be reached. This condition
dition may be reached. This condition
can also be reached if there is leakage in the kage in the
breathing system, e.g. if an uncuffed d
endotracheal tube is used. Triggering will
then be initiated by the system and not by the
y the system and not by the
patient.This should always be avoided by ways be avoided by
decreasing the trigger sensitivity.
Stronger patient effort ger patient effort
1. At a Trigger sensitivity level below zero zero
(0), the ventilator senses negative
pressures created by the patient.
created by the patient.
Required preset negative pressure to gative pressure to
initiate a breath is shown numerically. cally.
The more to the left on the scale, the
more effort is required to trigger.
d to trigger.
2. Stronger patient effort.
For further information see page 167. mation see page 167.
WARNING! The trigger sensitivity bar has vity bar has
different colors based on the setting. A green A green
bar indicates a normal setting for the flow w
triggering. The risk of self-triggering
increases when the bar is red. A white bar
d. A white bar
indicates that pressure triggering is required. quired.
SVX-141_EN
5
Trigg. Flow
SVX-142_EN
-2
Trigg. Pressure
Trigger sensitivity rigger sensitivity igger sensitivity gger sensitivity ger sensitivity er sensitivity r sensitivity sensitivity sensitivity ensitivity nsitivity sitivity itivity tivity ivity vity ity ty y