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Automatic analyzer

An automatic analysis device and dispensing technology, which is applied in the direction of analyzing materials, instruments, biological tests, etc.

Inactive Publication Date: 2005-06-01
HITACHI HIGH-TECH CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to make the sample to be re-inspected arrive at the position where the sampling probe can access, the reaction disk needs to be rotated in such a device. Since the samples in other reaction vessels on the reaction disk are also analyzed at the same time, it is impossible to The reaction disk is rotated only for the sample that needs to be retested, and it may be difficult to quickly retest

Method used

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Embodiment 1

[0028] figure 1 An outline of an automatic analysis device embodying the present invention is shown. It is an example of an automatic analyzer that repeatedly rotates a reaction disk 2 in which reaction vessels 1 are arranged in one cycle by the amount of 1 reaction vessel + 1 reaction vessel, and then stops. figure 2 Indicates the reaction liquid filled in the reaction container at this time.

[0029] The rotation center position 6 of the arm 5 of the sampling probe moving device is set at or near the center of the reaction disk, and the rotation center position of the arm can be moved to a displacement position 7 . With such an arrangement, the driving of the sampling probe becomes a 3-way drive of probe up and down, arm rotation, and arm rotation center shift movement, allowing suction from any position where the reaction vessel stops.

[0030] The absorbance of the reaction solution in the reaction vessel 1 is measured at the moment when the reaction vessel crosses the ...

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Abstract

The invention provides an automatic analysis device capable of automatic re-examination, rapid transfer and release of samples to other devices, and an automatic analysis device with easy pre-dilution of samples and miniaturization of samples. This automatic analysis device is provided with a reaction plate in which a plurality of reaction vessels are arranged in a row on the circumference, and a sample dispensing mechanism for dispensing samples into the reaction vessels on the reaction plate, wherein the sample dispensing mechanism includes A dispensing nozzle for dispensing a sample and a support mechanism for supporting the dispensing nozzle are disposed within the circumference of the row of reaction vessels on the reaction disk.

Description

technical field [0001] The present invention relates to an automatic analyzer for quantitative or qualitative analysis of biological components such as blood and urine, and more particularly to an automatic analyzer equipped with a sample dilution function. Background technique [0002] In automatic analyzers, measurement may be abnormal, and when an alarm is issued for the data, automatic re-examination is required. Although various situations that require retesting have been considered, the most common is that the concentration of the sample exceeds the measurement range. In this case, an effective retest is to dilute the sample so that the concentration is within the measurement range, and then measure again. As a conventional example of a device that can easily perform retesting, there is a method in which a sample is stored in a reaction container in advance as disclosed in Patent Document 1. [0003] In addition, in order to reduce running costs in recent years, ther...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N35/00G01N35/02G01N35/04G01N35/10
CPCG01N35/00603G01N35/0092G01N35/025G01N35/1011G01N2035/0093
Inventor 高桥克明西田正治
Owner HITACHI HIGH-TECH CORP
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