Covidien Puritan Bennett 540, Руководство пользователя

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Overview of Alarms
Puritan Bennett 540™ Ventilator User’s Manual
3-11
HIGH PRESSURE
•
In VOL A/C or V SIMV modes, if
Inspiratory Pressure is higher
than High PIP during three
consecutive cycles.
or
•
In PSV/CPAP, PRES A/C, or P SIMV
modes, if Inspiratory Pressure is
higher than (P Support or P
C PEEP) + 5 cmH
2
O up to
29 cmH
2
O or + 10 cmH
2
O over
30 cmH
2
O during three
consecutive cycles.
or
•
In PSV/CPAP mode and P
Support is set to off, if
Inspiratory Pressure is higher
than PEEP + 10cmH2O during
three consecutive cycles.
Alarm activation occurs:
•
After three consecutive
breaths.
Consequence:
•
Switch to exhalation phase.
HP
Note:
When
alarm
condition
becomes
false, alarm
priority
indicator
must be
manually
reset by
pressing
the
key.
Yes No
HIGH RATE
Rate measured greater than
High Rtot set during three
consecutive breaths.
Alarm activation occurs:
•
After three consecutive
breaths.
MP Yes No
INVERSED I:E
RATIO
An Insp Time setting that results
in an inspiratory time greater
than the exhalation time.
Alarm activation occurs:
•
Upon setting parameter
values, such that the Insp
Time value exceeds the limit
described above.
MP Yes Yes
KEYPAD FAULT CALL
SERVICE*
*IF PERSISTS
REPLACE VENT
Keyboard key held down for
more than 45 seconds.
HP No No
LOW BATTERY
Internal battery capacity
< 30 min. or 5%.
HP Yes No
LOW EXH VOLUME
Expired tidal volume less than
Low VTE set during three
consecutive breaths (in double-
limb setup).
Alarm activation occurs:
•
After three consecutive
breaths.
MP Yes No
Table 3-1. Overview of Alarms (Continued)
Alarm Message Cause/Ventilator Response Priority
Audio
Paused
Avail.
Alarm
Paused
Avail.