Roche Diagnostics
326 Instructions for Use · Version 13.0
12 Troubleshooting cobas b 123 POC system
Performing Sensor Cartridge wetting routines
Performing Sensor Cartridge wetting routines
To activate the internal contents of the Sensor Cartridge, the system performs an
automatic internal wetting routine each time you insert a new Sensor Cartridge.
p To perform an internal wetting of the Sensor Cartridge
1
Utilities > Sensor Cartridge internal wetting routine
2
Follow the instructions on the screen.
A 2P calibration is automatically performed at the end of the internal wetting.
s
p To perform an external wetting of the Sensor Cartridge
WARNING
Incorrect results due to using inappropriate wetting fluids
Performing an external wetting routine without using a whole blood sample may lead to
incorrect patient results, which may endanger patient lives.
r Use only whole blood samples to perform the external wetting routine. Whole blood
samples have to be collected within the last 24 hours, and use heparin as an
anticoagulant.
q
When you perform the external wetting routine in syringe mode, the minimum sample
volume is 1 mL in a 2 mL syringe.
When you perform the external wetting routine in capillary mode, the minimum sample
volume is 180 μL.
1
Prepare a whole blood sample for the wetting.
2
Utilities > Sensor Cartridge wetting routine
3
Select one of the following options:
o If the whole blood sample is in a syringe, press the Syringe: start wetting
button.
or,
o If the whole blood sample is in a capillary, press the Capillary: start wetting
button.
4
Follow the instructions on the screen.
5
To perform a Calibration for Ready, press the following buttons: Instrument
> Calibration for Ready
s
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