Chapter 2: System overview 15
BD FACSPresto
cartridge
The BD FACSPresto cartridge, the CD4/%CD4/Hb cartridge, is a
unit-dose disposable device that contains all the reagents that are
needed to test one sample or specimen. Use one cartridge per
specimen. Use only BD FACSPresto cartridges with the instrument.
No. Component Description
1
Cap (open) Enables blood addition.
2 Cap (closed) Protects blood in the cartridge.
3 Channel Shows blood in the cartridge.
4 Channel
protector
Protects blood in the cartridge from light.