Caution!
The patient valve may not be covered when the device is in operation, otherwise
the exhaled air may not be routed away, obstructing breathing.
Proceed as follows to connect the single patient circuit to the therapy device.
1. Plug the free end of the ventilation tube (2) onto the
device outlet port.
2. Now connect the blue connector stub of the pressure-
measurement tube (1) to the connection of the device
which is likewise blue and marked .
3. Connect the valve control tube (3) to the connection
of the device marked .
4. Connect the patient valve (4) to the patient/ventilator
interface, e.g. a mask.
It is essential to follow the instructions for use of the
patient/ventilator interface and of the patient circuit.
4.3.2 Double patient circuit (VENTIlogic LS only)
In addition to the ventilation tube which delivers air to the patient, the pressure-
measurement tube and the valve control tube, the double patient circuit also has an
exhalation tube which routes exhaled air back to the device and into the ambient air.
On the double patient circuit, the patient valve is located on the exhalation tube.
Proceed as follows to connect up the double patient circuit.
1. Plug the ventilation tube (1) onto the device outlet
port of the VENTIlogic LS.
2. Plug the exhalation tube (3), on the end of which is
the patient valve (4), onto the device inlet port for
exhaled air underneath the device outlet port.
3. Now connect the blue connector stub of the pressure-
measurement tube (2) to the connection of the device
which is likewise blue and marked .
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