Maquet HCU 40, Instructions For Use Manual

Page: 109 / 148

| HCU 40 | 7 Cleaning, descaling and disinfection | 109 |
Instructions for Use | 1.0 | EN | 01
Copyright Maquet Cardiopulmonary GmbH
10 Touch the [Next] symbol.
▶ The HCU 40 de-airs the cardioplegia and patient water circuits.
11 Fill the HCU 40 up to the white mark in the tank with sterile filtered water (1
cm above the cooling plates).
12 Touch the [Next] symbol.
▶ The HCU 40 de-airs the cardioplegia and patient water circuits.
13 If stopcocks for the pumps of the patient and cardioplegia water circuits are
mounted underneath the HCU 40:
Place a suitable container (e.g., a flat stainless steel tray) below the stopcocks
of the water pumps. Remove the yellow caps from the water pump stopcocks.
Open both water pump stopcocks and drain off around 200 ml from each
stopcock. Connect the drainage tube to the tank drainage coupling and drain
around 400 ml from the internal lines.
Or
If no stopcocks for the pumps of the patient and cardioplegia water circuits are
mounted underneath the HCU 40:
Connect the drainage tube to the tank drainage coupling and drain around
400 ml from the internal lines.
14 Touch the [Next] symbol.
15 Close the water pump stopcocks, reattach the yellow caps and disconnect the
drainage tube.
Or
Disconnect the drainage tube.
16 Touch the [Next] symbol.
▶ The HCU 40 performs cleaning (duration approx. 90 minutes).
17 Close the stopcocks of the patient and cardioplegia water circuits.
18 Disconnect the cleaning connectors.
19 Place the open ends of the tubes (without touching any contaminated
surfaces) in an outflow and open the stopcocks of the patient and cardioplegia
water circuits.
NOTE
Use a suitable outflow to dispose of the disinfection/descaling agent solutions.
20 Touch the [Next] symbol.