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Automated analyzer

An automatic analysis device and action technology, applied to the analysis of materials, instruments, etc., can solve problems such as unit damage, achieve the effect of miniaturization and reduce the risk of damage

Pending Publication Date: 2022-07-08
HITACHI HIGH-TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the user comes into contact with the unit, there is a risk of the unit being damaged, and it is necessary to carry out work while being careful not to touch the unit on the front of the device.

Method used

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Examples

Experimental program
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Embodiment 1

[0029] Embodiment 1 is an embodiment of an automatic analyzer for automatically analyzing specific components in samples such as blood and urine using immune responses. In an immunoassay method using this immunoreaction, a substance to be measured is bound to a labeling substance by an antigen-antibody reaction, and the substance is quantified and qualitatively determined by a signal (luminescence, absorbance, etc.) obtained from the labeling substance.

[0030] At this time, in order to remove the excess added labeling substance, an operation of B / F separation is performed to remove the labeling substance that is not bound to the substance to be measured. In automatic analyzers, in order to automatically perform B / F separation, a method using magnetic beads is widely used. In B / F separation using magnetic beads, the magnetic beads are further bound to the immune complex bound to the substance to be measured and the labeling substance, and the solution is replaced while the ma...

Embodiment 2

[0066] Example 2 is an example of a reagent dispensing mechanism of an automatic analyzer when the rod-shaped member is a reagent dispensing nozzle. In the reagent dispensing mechanism, there is a possibility that the adsorbed material remaining in the dispensing nozzle is freed and mixed in during the next dispensing of the reagent. To prevent this, a cleaning mechanism for the reagent dispensing nozzle is required. Figure 9 It is a schematic diagram of the reagent dispensing mechanism 90 and the reagent dispensing nozzle cleaning unit 100 of the second embodiment. In addition, in Figure 9 , the description of the parts common to the device of the first embodiment is omitted.

[0067] In this figure, the reagent dispensing mechanism 90 extends the reagent dispensing nozzle 93 directly below from the nozzle guide 92 at the front end of the reagent dispensing arm 91 to dispense the reagent. The reagent dispensing arm 91 includes a shaft 94 that can move up and down independ...

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PUM

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Abstract

The invention provides an automatic analyzer, which can reduce the damage risk caused by contact with a stirring paddle in maintenance and the like, and can realize miniaturization and simplification. The automatic analysis device is provided with: a cleaning tank (181) for cleaning the stirring paddle; a standby position (182) provided in parallel with the washing tank and allowing the stirring paddle to stand by; and an inflow port (183) through which the washing water flows into the washing tank, and the standby position (182) is configured such that the washing water overflowing from the washing tank (181) becomes an overflow (194) toward the standby position (182).

Description

technical field [0001] The present invention relates to an automatic analysis device. Background technique [0002] In a conventional automatic analyzer, in order to maintain the performance at a constant level, the user is required to clean the nozzle for dispensing the sample, the reagent, the probe, and the stirring paddle for stirring the bead reagent. In addition, since the reagent bottle is mounted, the user is sometimes required to put in or take out the reagent bottle from the reagent storage unit inside the automatic analyzer. [0003] However, depending on the arrangement of units in the automated analyzer and the environment in which the automated analyzer is installed, such as an examination room, the user must access the units such as the B / F (Bound / Free) separation unit disposed on the back of the apparatus from the front of the apparatus. In this case, it is considered that the user does not come into contact with other units such as the reagent dispensing me...

Claims

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Application Information

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IPC IPC(8): G01N35/10
CPCG01N35/1004G01N35/02G01N2035/00524G01N2035/00534G01N2035/00564G01N35/0098G01N2035/00277G01N35/1002
Inventor 岩松智昭大草武德末成元
Owner HITACHI HIGH-TECH CORP