Maintenance - The Flow Path
The Flow Path
The maintenance of the flow path with regard to cleaning and
decalcification is important, in order to maintain the specified
performance of the machine.
Cleaning
Fats, proteins and organic material originating from the patient may
deposit down stream of the dialyzer. The number of treatments and the
setting of parameters will influence the amount of deposits downstream
of the dialyzer. A general guideline for the frequency of cleaning
with CleanCart-C cartridge and sodium hypochlorite (alternatively
CleanCart-A cartridge) is described in the introductory part of this
chapter ("Schedule for Hygiene and Maintenance" on page 8:6).
An increased level of cleaning may be necessary, depending on the
conditions described above. It m ust be noted that a lower frequency
may be sufficient to maintain the system.
Decalcification
Calcium-carbonate may deposit in the flow path. The requirements
for decalcification vary depending on elements as water quality, type
of concentrate and bicarbonate settings. A general guideline for the
frequency of decalcification with CleanCart-C cartridge or liquid citric
acid is described in the introductory part of this chapter ("Schedule
for Hygiene and Maintenance" on page 8:6). An increased level
of decalcification may be necessary, depending on the conditions
described above. It must be noted that a lower frequency may be
sufficient to maintain the system.
Note
• Incorrect cleaning of t
he UF cell may be a contributing factor
for increased inaccuracy of the UF system. If any deviations in
UF accuracy should occur, it is recommended to use sodium
hypochlorite weekly
.
• In order to enable the cleaning agents to remove fats,
proteins etc. effi
ciently, cleaning should be carried out after
decalcification.
Note
8:38
AK 96
®
Operator's Manual - Hygiene and Maintenance
HCEN12239 Revision 12.2010
Program version 3.xx
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