Analyzer for the determination of the phenotype and the ABO bloo

Details Analyzer for the determination of the phenotype and the ABO bloo Analyzer for the determination of the phenotype and the ABO bloo

1989-07-21

1994-06-28

Housel, James C.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Sample mechanical transport means in or for automated...

7386422, 422 64, 422 65, 422 67, 422 8209, G01N 3300, G01N 2101

Patent

active

053244796

ABSTRACT:
An analyzer for the determination of the ABO unit and the phenotype, said analyzer comprising a rotatable plate carrying sample-bearing test-tubes and dilution test-tubes arranged along concentric circumferences; a dispensing needle which is movable by mechanical means between a washing position, a position for drawing a sample, a position for diluting the sample and a position for introducing the sample into a reading well; a station for washing said needle; a conveyor unit for conveying carrier members which are provided with 12 reaction wells to a position for receiving diluted or the undiluted samples from the dispensing needle; an automatic feeder that feeds small balls into each of the wells during the forward motion along the conveyor unit; mechanical means for transferring the carrier member to a reading zone; a unit that meters the specific antiserum or red cells into each one of the wells; and an optical reading device that horizontally reads the transmittance of each one of the wells, starting from the moment when antiserum or red cells are introduced; and a processor for functionally controlling the analyzer and for issuing an estimate of the results of the analyses.

REFERENCES:
patent: 3942952 (1976-03-01), Atwood
patent: 4101284 (1978-07-01), Difiglio et al.
patent: 4318885 (1982-03-01), Suzuki et al.
patent: 4322216 (1982-03-01), Lillig et al.
patent: 4503011 (1985-03-01), Hubeau
patent: 4727033 (1988-02-01), Hijikata et al.
patent: 4728500 (1988-03-01), Higo
patent: 4861554 (1989-08-01), Sakuma
patent: 4876069 (1989-10-01), Jochimsen

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