Hematology Analyzer Distributes Once a Minute by Electrical Impedance Method.

The Perlong medical device Reuters - most of the blood analyzer use a sample of secondary dilution, quantitative distribution of the injection pump for more allocated, for example, the syringe to take the 20UL blood, enter the WBC or mixed pool and quantitative diluent fully diluted mixed, and then draw 20UL (indefinite secondary dilution according to the dilution of specimens with the same design concept of the blood cell analyzer) mixed quantitative RBC pool; there are points blood valve and diaphragm the combination of sample distribution.
The Perlong medical equipment experts pointed out that it is the use of ceramic hard texture, corrosion-resistant deformation corresponding to strong temperature changes, the use of intermediate thickness and aperture to the quantitative, when the sample through the middle piece, the samples of the various uses quantitatively, by rotation, was sent to a different count of the diluted pool dilution Moreover, he can also use the combination of an effective increase in the pre-diluted specimens taken, blood analyzers to count accurately, pre-dilution and the difference in whole blood drop to the lowest note piston pump in order to achieve this very difficult, but to take pre-diluted with whole blood taken the same amount, the actual count value lower then the multiplier method to derive the value, so the error is compared with , but the plug injection pump distribution can take a small amount of sample so that the pre-dilution is not necessary, in the blood valve must take a lot of samples to meet the assigned Sub-blood valve fast, 30% to 50% faster than the former, and therefore suitable for high-volume autosampler operation.
Resistance method, however, hematology analyzers every minute test is sufficient, therefore, the high cost of the combination of points of blood valve and diaphragm compressors, maintenance cumbersome, complex structure, the conservation of high maintenance costs, but needless to doubt, the reliability is high.

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Article : From Perlong medical (http://www.pl999.net/)
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