Self-metering fluid analysis device

Details Self-metering fluid analysis device Self-metering fluid analysis device

1990-08-06

1992-09-15

Lacey, David L.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 57, 422 58, 422 61, 422101, 422102, 436165, 436169, 436177, 436805, 436808, 435 2, 435 4, 435291, 435808, 435810, G01N 2103

Patent

active

051476061

ABSTRACT:
A diagnostic device detects blood analytes with a sample volume as low as 2 microliters in the hematocrit range of 0% to 60%, or higher. This is accomplished by employing a housing with various chambers and compartments for processing the blood. A sample application port in the housing is used to introduce blood into a metering chamber. From the metering chamber, the blood flows to a reaction chamber for analyzing blood analytes. Blood entering the metering chamber flows into a fluid capillary which indicates that an adequate amount of blood has been received in the metering chamber. The reaction compartment includes a reagent and a filter, the latter of which is disposed between the metering chamber and the reagent so that the reagent reacts with the filtered blood.

REFERENCES:
patent: 4256693 (1981-03-01), Kondo et al.
patent: 4477575 (1984-10-01), Vogel et al.
patent: 4753776 (1988-06-01), Hillman et al.

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