Process for the determination of the hematocrit level of whole b

Details Process for the determination of the hematocrit level of whole b Process for the determination of the hematocrit level of whole b

1987-08-14

1989-05-30

Strecker, Gerard R.

Electricity: measuring and testing

Electrolyte properties

Using a conductivity determining device

128635, 204406, 324 711, 324441, 36441307, 436 70, G01N 2706, G01N 2726, A61B 505, G06G 760

Patent

active

048354775

ABSTRACT:
There is described a method and apparatus for the determination of hematocrit levels in which both the conductivity of whole blood and the conductivity of blood plasma are determined together. While a conductivity cell (18) is being used for the determination of the conductivity of whole blood, the conductivity of plasma is calculated in a computer (30) with the aid of ion selective electrodes (14, 16) from the sodium or potassium concentrations.

REFERENCES:
patent: 4202747 (1980-05-01), Buzza et al.
patent: 4452682 (1984-06-01), Takata et al.
patent: 4484135 (1984-11-01), Ishihara et al.
patent: 4547735 (1985-10-01), Kiesewetter et al.
patent: 4686479 (1987-08-01), Young et al.
Biomed. Technik, vol. 27, (1982), P171-175; Kiesewetter et al.; Determination of Hematocrit by Measuring Impedance.

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