8 Description of unit
EN
Sensors detect the pressure in the mask and in the hose system and also the respira-
tory phase switch (trigger point). The fan accordingly provides the IPAP and EPAP
pressures set by the doctor.
Therapy modes
The VENTIlogic can be operated in six therapy modes: CPAP, S, ST, T, SX, SXX and
TA mode. Your doctor will set the mode required for your therapy on the unit. In the
adaptive, controlled TA mode the device automatically adapts to your individual res-
piratory rhythm and supplies the therapy pressure in accordance with exactly this
rhythm.
Your doctor can activate volume compensation. Minimum volume and maximum
pressure increase are set for this purpose. If the minimum volume is undershot, the
unit automatically increases pressure continuously until the set maximum pressure
(therapy pressure + max. pressure increase) is reached.
In time-controlled mode T and in assisted-controlled mode ST, your doctor can set
respiratory frequency in the range from 6 to 45 breaths a minute and inspiration time
in the range from 20 % to 67 % of the respiratory period.
In assisted modes S, SX and SXX and in assisted-controlled mode ST, your doctor
can select one of 6 trigger stages for both inspiration and expiration. Your doctor
can switch off the trigger for expiration. Expiration is then time-controlled.
If no breath is taken into the unit in S mode, the pressure is switched at a minimum
frequency of 6 breaths a minute.
Other functions
The Softstart function makes it easier for you to go to sleep or to get used to higher
ventilation pressures. Your doctor sets initial pressures for inspiration and expiration
which rise continuously to the therapy pressures during the soft start phase. This func-
tion can be locked out by the doctor.
The VENTIlogic has an auto switch-on system. If this is activated, the unit can be
switched on by a breath being taken into the mask. The unit is still switched off using
the on / off switch .
The display shows therapy mode and, depending on mode, the values currently be-
ing applied for CPAP/IPAP and EPAP and for respiratory frequency (f). Spontaneous
or mechanical respiratory phase switches are also displayed and the pressure
change shown in the form of a graph.
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