Tecme NEUMOVENT, Technical Manual, Page: 25 / 94

TECHNICAL AND MAINTENANCE MANUAL
Graph VENTILATOR
Review : 04
Date: 09/05/06
22
Apnea (Adjustable by the user)
Definition:
It is a condition where the ventilator considers a breathing stop during
spontaneous ventilation modes after an adjustable period of time.
Selection:
In Pressure Support, Continuous Positive Airway Pressure and
Combined Modes (optional in SIMV).
Ventilator action:
Change to the selected backup mode at 5, 10, 15, 30, 60
seconds according to the set time.
Signal type:
Audible, light and warn in the screen.
Silence:
It can be silenced temporarily.
Default value:
15 seconds in all the categories.
Value change:
Pressing the [Menu] key.
Screen message
The alarm resets automatically if the patient returns to spontaneous ventilation. The
light signal does not disappear until the [Reset] key is pressed.
Fan Failure (Nonadjustable by the user)
Definition: Detention of the fan’s operation with possibilities of electronic circuit
overheating.
Signal type:
Audible, and warn in the screen.
Silence:
It cannot be silenced temporarily.
Screen message
Operator Action:
Check the fan correct functioning looking for foreign materials
obstructing the blades. If the failure persists, the ventilator should be replaced.
Low Priority Signals
(warn)
They are activated with a time delay, in some the time is adjustable for the operator,
and in other the time is fixed. The alarms that are activated with Low Priority
Signals are the following ones:
f max (Adjustable by the user)
Definition:
It regulates the spontaneous maximum breathing frequency limit. It is
also activated if the breathing frequency is adjusted with a bigger value that the limit
of the alarm.
Selection:
In all the modes.
Ventilator action:
The alarm is activated with light and audible signal after 20
seconds of having been surpassed the set limit. If, after one minute, no action is
taken by the operator, the alarm status is changed to as a Medium Priority Signal.
Signal type:
Audible, light and I warn in the screen.
Silence:
It can be silenced temporarily.
Default value:
30 bpm for all categories.
Value change:
With the [Alarm Settings] key.
Screen message
The alarm resets automatically if the frequency returns to an inferior value to the
limit. The light signal does not disappear until the [Reset] key is pressed.
Low PEEP (Adjustable by the user)
Definition:
Descent of the base pressure below the set value during ventilation with
expiratory positive pressure or continuous positive pressure.
Selection:
In all the modes.
Ventilator action:
Light and audible signal and message in the screen after 15