Automatic chemical analyzer with selective removal of reaction v

Details Automatic chemical analyzer with selective removal of reaction v Automatic chemical analyzer with selective removal of reaction v

1986-11-10

1988-11-15

Lall, Parshotam S.

Boots, shoes, and leggings

364500, 356246, 422 64, 422 67, G01N 3100, G01N 3506

Patent

active

047854073

ABSTRACT:
An automatic chemical analyzer including a cuvette wheel having a number of cuvette holding recesses formed along a periphery thereof, a driving unit for rotating the cuvette wheel in a stepwise manner, an automatic cuvette loader for supplying cuvettes into cuvette holding recesses of the cuvette wheel, a sample delivery device for supplying samples into cuvettes held on the cuvette wheel, a reagent delivery device for supplying reagents into cuvettes held on the cuvette wheel, a colorimeter for measuring an optical density of test liquids contained in cuvettes, a washing device for washing cuvettes, and an automatic cuvette unloader for removing cuvettes out of the cuvette wheel. The analyzer further comprises a central control device for controlling the automatic cuvette loader and unloader such that after a cuvette has been repeatedly used a predetermined maximum number of times, the relevant cuvette is removed from the cuvette wheel and a new cuvette is supplied into the cuvette holding recess from which the cuvette has been just removed.

REFERENCES:
patent: 4158545 (1979-06-01), Yamashita et al.
patent: 4366119 (1982-12-01), Takeuchi
patent: 4406547 (1983-09-01), Aihara
patent: 4422151 (1983-12-01), Gilson
patent: 4457893 (1984-07-01), Takekawa
patent: 4459265 (1984-07-01), Berglund

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