Chapter 11
CLEANING AND DISINFECTION
After use of the machine, clean and disinfect it for maintaining its high performance.
Refer to the optional manual of the optional hot water rinse and hot chemical disinfectant
rinse function.
11.1 Cleaning and disinfection of machine outside
11.1.1 Machine enclosure
Remove blood and/or organic substances from the machine enclosure using soft
cloth wetted with tepid water or water. DO NOT use organic solvents such as thinner
and benzene to prevent paint damage.
CAUTION
• Clean and disinfect venous and arterial pressure inlet ports carefully to prevent cross
infection among patients.
• Take care that any fluid is not introduced into venous and arterial pressure inlet ports to
prevent their pressure sensor damage.
11.1.2 Dialysate concentrate connectors and rinse ports
After long term use of dialysate concentrate connectors and rinse ports, solutes in
the concentrates may isolate to form harmful crystals and may cause the machine
failure. Clean them using cloth wetted with tepid water or water regularly. Pull out the
ports to this side to allow easy cleaning.
CAUTION
• DO NOT use disinfectant such as dilute NaClO solution because NaClO generates chlorine
by spontaneous decomposition. Chlorine is not only harmful to human body, but also
damages electric components, resulting the machine failure.
11.2 Cleaning and disinfection of fluid lines
(a) Remove dirt from the fluid line outside using cloth wetted with water.
(b) It the outside is contaminated with any concentrate, remove it by wiping to prevent
rust formation.
NOTE
z Clean and disinfect the fluid line outside after disconnecting power plug from receptacle.
11-1
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