Automatic analyzing apparatus and method for clinical examinatio

Details Automatic analyzing apparatus and method for clinical examinatio Automatic analyzing apparatus and method for clinical examinatio

1990-03-13

1992-03-31

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Sample mechanical transport means in or for automated...

422 8209, 436 50, 436 55, 356 73, 364497, G01N 3502

Patent

active

051006227

ABSTRACT:
An automatic analyzing apparatus and method transfers a sample to be examined to a sampling position, fractionally injects the sample into a reaction vessel by using sampling means, adds a reagent to the reaction vessel holding therein the sample fractionally injected to cause reaction, and measures absorbance of the reaction solution at predetermined time intervals using a photometer. A first check for checking whether an abnormality is present in the measurement result of each measurement item is made, followed by a second check for checking whether an abnormality is present on the basis of a change in the rate of absorbance measured after the reagent is added to the sample in the reaction vessel. Then, a third check computes correlation of measured absorbance data and checks whether an abnormality is present on the basis of the result of computation. Finally, a determination is made, with respect to the sample in accordance with an abnormal item when it is judged that an abnormality is present in the result of the first, second or third check, whether remeasurement is necessary, and for selecting, in case of remeasurement, either remeasurement under the same conditions or remeasurement with a reduced sample quantity as compared with that of the first measurement conditions. When remeasurement is determined, the sample is carried to the sampling position.

REFERENCES:
patent: 4228831 (1980-10-01), Kerns
patent: 4263512 (1981-04-01), Sagusa et al.
patent: 4451433 (1984-05-01), Yamashita et al.
patent: 4472505 (1984-09-01), Manabe et al.
patent: 4612289 (1986-09-01), Furuta et al.
patent: 4750133 (1988-06-01), Eiskamp et al.
Hitachi Catalogue, Model 736 Series.

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