1. Introduction
Make sure that the determination test shows a
sufficiently low level of citric acid or disinfectant in the
rinse solution before dialysis. Refer to the attending
physician’s directives for the acceptable limit and the
AAMI standard for hemodialysis.
To ensure that the citric acid level in the dialyzer circuit
is below a level acceptable for patient safety, sample the
rinse solution in the dialysate lines.
Make sure that the determination test is specific for the
chemical disinfectant used.
Before attempting to perform any repair, calibration, or
replacement in the hydraulic and pneumatic systems,
you must first run a complete disinfection cycle to
minimize the risk of contamination. The use of gloves
and eye protection is required. A disinfection cycle
must also be run after replacing any parts in the
hydraulics circuit.
Do not use any kind of non-approved disinfectant.
Never mix sodium hypochlorite with Formalin.
If the total viable microbial count is unacceptable,
disinfect the water supply. Draw another sample after
disinfecting and culture it to verify that the total viable
microbial count has been reduced to acceptable levels
before reconnecting to the Instrument.
Every time the Instrument is disinfected, and before
proceeding with dialysis, verify that there are no
residual disinfecting chemicals in the fluid path.
1.4.3 Cautions
1.4.3.1 Electrical
Use proper ESD protection when handling or contacting any
ESD sensitive components.
Perform work using standard ESD precautions including
personal grounding strap.
• Static electrical charges may damage electronic
components.
• Static damage may occur not only to integrated circuits
mounted on the circuit board, but also to detached
integrated circuits.
157-1278-896, Rev A 1-11
March 2004
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