6.1.2 Valve ventilation
The patient circuits for single and double patient circuits with patient valve (double patient
circuit only on VENTIlogic LS) are disposables and cannot be subjected to a hygiene
treatment. Follow the instructions for use for the patient circuit in question.
Follow the relevant instructions for use for the hygiene treatment of the patient/ventilator
interface.
6.2 Clean leakage ventilation
6.2.1 Clean patient circuit
1. Pull the patient circuit off the device and the exhalation system.
2. Pull out the one end of the pressure measuring tube
(shake a little if necessary) and seal it with the sealing
plug supplied. At the other end, seal the small opening
of the adapter using the second sealing plug so that
no water can penetrate.
3. Clean the creased tube with a little detergent in hot
water and make sure no residues are left behind. Flush
the inside of the tube through thoroughly in the
process.
4. Rinse the creased tube thoroughly inside and out using clean hot water.
5. Thoroughly shake out the patient circuit.
6. Hang up the patient circuit and leave to drip-dry well to stop moisture getting into the
therapy device.
7. Remove the plugs from the pressure-measurement tube.
Interval Activity
Daily
– Clean the humidifier in accordance with the relevant instructions for
use.
– Change bacteria filter WM
27591.
Weekly
– Clean coarse dust filter.
– Clean fan filter.
Every 1000 operating
hours
– Change fine filter (filter change indicator ), earlier if dirty.
Every 6 months
– Change coarse dust filter, earlier if dirty or worn.
– Change fan filter.
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