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INTENDED USE
The SEDITAINER Erythrocyte Sedimentation Rate (ESR) System is for collection of blood
specimens for the measurement of ESR within the blood collection tube, using the
SEDITAINER ESR Stand.
SUMMARY AND PRINCIPLES OF SYSTEM
The SEDITAINER Tube provides a means of collecting and testing blood in a closed evacuated
system. The tube contains 1.25 mL of 0.105 Molar (M) buff e red sodium citrate solution,
giving a 4:1 blood to additive ratio when the evacuated tube is correctly filled to its 5 mL draw
volume. The SEDITAINER Tube provides a means to measure the ESR (mm/h) without the
need
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