Hematology system

Details Hematology system Hematology system

1975-01-27

1976-08-03

Corbin, John K.

Electricity: measuring and testing

Determining nonelectric properties by measuring electric...

Erosion

G01N 2700

Patent

active

039731898

ABSTRACT:
A system for counting electrical pulses representing red and white blood cells and for determining hematocrit, mean corpuscular volume and hemoglobin in association with the blood cell counts. The system includes a blood cell transducer through which a blood sample is caused to flow and operative to produce electrical pulses in response to the passage of cells through a metering aperture. Red and white blood cell counts are electronically accumulated during respective analytical runs and logic circuitry is provided for determining, during a red blood cell counting run, mean corpuscular volume and hematocrit. The system can also include correction circuitry to correct for the coincident passage of cells through the metering aperture.

REFERENCES:
patent: 3439267 (1969-04-01), Coulter et al.
patent: 3757213 (1973-09-01), Coulter et al.
Taylor, W. B., "A Versatile Cell Detector for Cell Volume Measurements" Med. & Biol. Engng., vol. 8, No. 3, pp. 281-290, 1970.

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