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Automated analysis device and automated analysis method

A technology of automatic analysis device and control device, which is applied in the direction of analyzing materials, analyzing materials by chemical reaction, and analyzing materials by observing the influence on chemical indicators, which can solve problems such as easy accumulation of fouling, and achieve inhibition analysis. Decrease in accuracy or effect of ensuring cleaning performance and improving analysis accuracy

Active Publication Date: 2019-07-19
HITACHI HIGH-TECH CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, parts such as the reaction vessel and the nozzle of the cleaning mechanism are easy to accumulate dirt

Method used

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  • Automated analysis device and automated analysis method
  • Automated analysis device and automated analysis method
  • Automated analysis device and automated analysis method

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Experimental program
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Effect test

Embodiment approach 1

[0036] use Figure 1 to Figure 14 , the automatic analyzer according to Embodiment 1 of the present invention will be described. The automatic analyzer of Embodiment 1 has a unique cleaning function. The automatic analysis method of Embodiment 1 is a method having steps performed by the automatic analysis device of Embodiment 1.

[0037] [Automatic analyzer (1)]

[0038] figure 1 The structure of the automatic analyzer of Embodiment 1 is shown. The automatic analyzer includes a control device 100, a reaction disk 5, a reaction container 9, a reagent disk 18, a reagent bottle 23, a rack 7, a sample container 8, sample dispensing mechanisms 1, 2, sample dispensing nozzles 3, 4, Sample transfer mechanism 47, reagent dispensing mechanisms 10-13, reagent dispensing nozzles 30-33, spectrophotometer 22, stirring mechanism 24, reaction container cleaning mechanism 29, liquid delivery pump 16, vacuum suction pump 17, etc.

[0039] Except for the part of the control device 100 and ...

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Abstract

The present invention relates to an automated analysis device, and provides a technique with which it is possible to ensure reaction vessel cleaning performance using a cleaning process including a tip suction step, and with which it is possible to suppress a deterioration in or to improve analysis accuracy. This automated analysis device includes a control device, a block suction mechanism whichcauses a suction nozzle and a suction block for sucking a liquid inside a reaction vessel to move up and down to suck the liquid, and a block cleaning mechanism for cleaning the suction block. In a tip suction step (S14), which is the final step in a cleaning step (S20) after reception of an analysis request before an analysis step (S30), the control device causes both suction (202) of the liquidby means of the block suction mechanism and cleaning (201) of the suction block by the block cleaning mechanism to be executed in a first step (S21), then causes only the suction (202) of the liquid by means of the block suction mechanism to be executed in a second step (S22) consisting of one or more cycles, and then executes an analysis step (S30) using the reaction vessel that has been subjected to the second step (S22).

Description

technical field [0001] The present invention relates to the technology of an automatic analyzer having a function of optically measuring the concentration and activity value of biological samples such as blood and urine. In particular, the present invention relates to cleaning techniques for reaction containers (hereinafter, sometimes referred to as containers, etc.) that store samples, reagents, and the like. Background technique [0002] The automatic analyzer includes a cleaning mechanism for cleaning the reaction container in addition to the optical measurement mechanism and the like. The control device of the automatic analyzer controls the sequence of the cleaning steps including the cleaning mechanism. The automatic analyzer uses the nozzles of the sample and reagent dispensing mechanisms to dispense the sample and the reagent from the respective containers into the reaction container, and uses the stirring mechanism to stir the mixture of the sample and the reagent ...

Claims

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Application Information

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IPC IPC(8): G01N35/02G01N35/10
CPCG01N35/1004G01N2035/0437G01N2035/0444G01N21/78G01N35/04
Inventor 伊藤匠东信二深谷昌史
Owner HITACHI HIGH-TECH CORP
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