7 Preparation
42 NightKNIFE / Ligator MN031-447-S0-20101217-EN
7.5. Automatic preparation in a CDM
Suitable cleaning and disinfection methods
Use a cleaning and disinfection machine (CDM) to clean
and disinfect the ligation instruments.
Manual methods are not recommend due to their
significantly lower effectiveness.
X
Ensure that the selected CDM fulfils the following
requirements:
x (as shown by DGHM or FDA approval or a
CE mark in accordance with EN ISO 15883).
x A proven program for thermal disinfection (at
least 5 minutes at 90 °C or an A
0
factor
greater than 3000). With chemical
disinfection, there is a risk that disinfectant
residues may be present on the instrument
components.
x A program suitable for the instrument, with
adequate rinse cycles, is selected.
x Sterile water or water with a low
microorganism count (max. 10 germs/ml)
and low endotoxin count (max. 0.25
endotoxin units per ml) is used for rinsing.
x Drying air is filtered.
x The CDM is serviced and tested at regular
intervals.
MN031-447-S1 EN
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