BD BACTEC FX40 - Page 10

BD BACTEC™ FX40 Instrument User’s Manual
10
Figure 1-1 shows the growth and detection process.
Figure 1-1 – BD BACTEC™ FX40 Fluorescent Technology
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Organism metabolic activity releases CO
2
...
Which reacts with dye in vial sensor.
LED activates fluorescent material in sensor.
Fluorescence is modulated by dye in the sensor.
Photo detector reads fluorescence.
Raw data is uploaded to tablet PC ...
And positivity analysis is performed.
Positive vial is announced by audible alert, onscreen
indications, and the Positive Vial system indicator.
LED
Photo
Detector
Test Readings
Positivity Analysis
Positive Test Results
indicated multiple ways