Automatic chemical analyzer with selective removal of reaction vessels
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 15, 1988
Grant Date -
N/A
app pub date -
Nov 10, 1986
filing date -
Nov 19, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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