Siemens ADVIA 2120, Operator'S Manual, Page: 50 / 477

4-4 Maintaining the Analyzer
BIOHAZARD
All products or objects that come in contact with human or animal body fluids
should be handled, before and after cleaning, as if capable of transmitting
infectious diseases. Wear facial protection, gloves, and protective clothing.
The operator should follow the recommendations to prevent the transmission of
infectious agents in health-care settings as recommended for potentially
infectious specimens in
Protection of Laboratory Workers from Infectious
Disease Transmitted by Blood, Body Fluids, and Tissue , 2d edition; Approved
Guideline (1997) Document M29-A, National Committee for Clinical Laboratory
Standards (NCCLS). This document contains complete information on user
protection and it can be used as reference material for instructions on laboratory
safety.
Biohazard warning
Materials required
•
Beakers (2)
•
Cotton swab
•
Household bleach
•
Paper towels
•
Stylet or thin wire
•
Syringe
•
Tubing, 0.020-inch ID
Time: 10 minutes per centering collar
Analyzer mode: Off
WARNING
The analyzer must be off; otherwise,
personal injury from the needle may occur.
To clean the centering collar
WARNING
To avoid personal injury and exposure to a potential biohazard, you must cover
the needle with the red needle cover immediately after you remove the centering
collar. Be careful not to bend the needle as you slip the cover over it.
1. Turn off the analyzer.
2. Remove the centering collar from the Autosampler or Manual closed-tube
sampler (see specific procedures below).
3. Place the centering collar in a beaker filled with 25% solution of household
bleach and water and let it soak for five minutes.
4. Using a cotton swab, scrub off any remaining residue, then rinse with water.
5. Use a stylet or a piece of thin wire to clean the three nipples and the center
bore on the autosampler centering collar or the nipple and center bore on the
manual closed-tube sampler centering collar.