| 108 |
7 Cleaning, descaling and disinfection
| HCU 40 |
Instructions for Use | 1.0 | EN | 01
Copyright Maquet Cardiopulmonary GmbH
4
Produce a Chloramine-T solution:
For weekly routine disinfection with the HCU 40 standard tube (4 x 6 m in
length for the patient water circuit and 2 x 6 m for the cardioplegia water
circuit):
Use a powder funnel to put 640 g of Chloramine-T powder into a chemical-
resistant 10 liter canister with watertight lid. Add 5 liters of sterile, filtered,
warm water (approx. +35°C). Close the canister, check that it is leak-tight and
dissolve the Chloramine-T by shaking.
If longer or shorter tubes are connected to the HCU 40 establish the correct
amount of Chloramine-T for the required solution concentration of 2% (⇨ "
Solution Concentration with Different Tube Lengths", page 141).
5
Put the following quantities of the
Chloramine-T solution into the three tank
chambers:
1.4 l to the cardioplegia water circuit (
[1]
),
1.8 l to the patient water circuit 2 (
[2]
),
1.8 l to the patient water circuit 1 (
[3]
),
(valid for the standard tube (4 x 6 m in
length for the patient water circuit and 2
x 6 m for the cardioplegia water circuit)).
Fill the remaining solution in the canister
in equal parts into the three tank
chambers.
6
Touch the
[Next]
symbol.
7
Fill the HCU 40 up to the white mark in the tank with sterile filtered water (1
cm above the cooling plates).
▶
The water level is shown on the 4th
marking
8
Touch the
[Next]
symbol.
9
Open the stopcocks of the patient and
cardioplegia water circuits.
Summary of Contents for HCU 40
Page 1: ...INSTRUCTIONS FOR USE HEATER COOLER UNIT HCU 40...
Page 147: ......
