AUTOANALYZER

PROBLEM TO BE SOLVED: To provide an autoanalyzer capable of removing stains from the inner surface of a reaction vessel and preventing the adverse influence on measurement.SOLUTION: An autoanalyzer comprises: a thermostatic unit 29 raising the temperature of a mixture fluid contained in a reaction v...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAKEUCHI TOMOAKI, MASUBUCHI MASAHIRO, MURAMATSU TOMOMI, MATSUMOTO TOMOJI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an autoanalyzer capable of removing stains from the inner surface of a reaction vessel and preventing the adverse influence on measurement.SOLUTION: An autoanalyzer comprises: a thermostatic unit 29 raising the temperature of a mixture fluid contained in a reaction vessel 171 in which a magnet 171 is disposed, to a measurement temperature Tm; a cooling unit 48 cooling a first washing fluid for washing an interior of the reaction vessel 171 down to a washing temperature Tw lower than the measurement temperature Tm; and a second washing nozzle 34 washing the interior of the reaction vessel 171 from which the mixture fluid is discharged, using the first washing fluid cooled down to the washing temperature Tm, the second washing nozzle 34 discharging the first washing fluid cooled down to the washing temperature Tw toward the inner surface of the reaction vessel 171 in which agglomerates 60 are adsorbed by the magnet 172, and vacuuming up the discharged washing fluid. 【課題】反応容器内面の汚れを落として測定に与える悪影響を防ぐことができる自動分析装置を提供する。【解決手段】磁石172が配置された反応容器171内の混合液を測定温度Tmに昇温する恒温部29と、反応容器171内を洗浄するための第1の洗浄液を測定温度Tmよりも低い洗浄温度Twに冷却する冷却部48と、洗浄温度Tmに冷却された第1の洗浄液を用いて混合液が排出された反応容器171内を洗浄する第2洗浄ノズル34とを備え、第2洗浄ノズル34は、磁石172により凝集塊60が吸着された反応容器171内面に向けて洗浄温度Twに冷却された第1の洗浄液を吐出し、吐出した第1の洗浄液を吸引する。【選択図】 図10