BD FACSPresto Near-Patient CD4 Counter Instructions For Use62
Before you begin Open the cartridge package. Write the patient ID on the cartridge.
Face the inlet port up. You must use the cartridge within
30 minutes of opening the package.
Procedure To prepare a venipuncture sample:
1. Invert the tube 10 times to mix the contents well.
2. Use the pipet to obtain the specimen.
Use one pipet per specimen.
3. Gently squeeze the bulb on the pipet to form a drop of blood
on the tip of the pipet.
4. Carefully dispense the specimen into the inlet port.
Hold the cartridge by its ridges only.
Make sure the blood reaches the top of the inlet port. If
necessary, gently squeeze the bulb on the pipet to dispense
more blood. Make sure the cartridge is level, with the barcode
side up, at all times. Make sure that blood appears in the part
of the channel not covered by the channel protector, next to
the containment zone.
5. Discard the pipet into a biohazardous waste container.
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