WO2012099215A1 - 自動分析装置 - Google Patents
自動分析装置 Download PDFInfo
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- WO2012099215A1 WO2012099215A1 PCT/JP2012/051117 JP2012051117W WO2012099215A1 WO 2012099215 A1 WO2012099215 A1 WO 2012099215A1 JP 2012051117 W JP2012051117 W JP 2012051117W WO 2012099215 A1 WO2012099215 A1 WO 2012099215A1
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- reaction
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- 0 CC1(C)C(C2)C2CC(*)C1 Chemical compound CC1(C)C(C2)C2CC(*)C1 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/51—Scattering, i.e. diffuse reflection within a body or fluid inside a container, e.g. in an ampoule
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/251—Colorimeters; Construction thereof
- G01N21/253—Colorimeters; Construction thereof for batch operation, i.e. multisample apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/025—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations having a carousel or turntable for reaction cells or cuvettes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N2021/0325—Cells for testing reactions, e.g. containing reagents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/51—Scattering, i.e. diffuse reflection within a body or fluid inside a container, e.g. in an ampoule
- G01N2021/513—Cuvettes for scattering measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/82—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a precipitate or turbidity
- G01N2021/825—Agglutination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
- G01N2035/0439—Rotary sample carriers, i.e. carousels
- G01N2035/0444—Rotary sample carriers, i.e. carousels for cuvettes or reaction vessels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/04—Batch operation; multisample devices
- G01N2201/0415—Carrusel, sequential
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/49—Blood
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/493—Physical analysis of biological material of liquid biological material urine
Definitions
- the present invention relates to an automatic analyzer for analyzing components in a biological sample such as blood and urine, and more particularly to an automatic analyzer having a mechanism for measuring scattered light.
- a typical example of an automated analyzer for clinical testing is an automated biochemical analyzer that analyzes specific components contained in biological samples such as blood and urine using reagents that change color by reacting with the specified components. is there.
- a change in color is quantitatively measured by irradiating a reaction liquid of a sample and a reagent with light and measuring the intensity of transmitted light for each wavelength.
- a detector In the measurement of scattered light, a detector is provided at a position away from the optical axis irradiated from the light source by a predetermined angle.
- the intensity of the light changes when the scattered light passes through the surface of the reaction solution or the corner of the reaction vessel.
- the reaction vessel of the automatic analyzer is small, and there is a thermostatic bath for always maintaining the temperature of the reaction vessel at a predetermined temperature, so that the arrangement of detectors is limited.
- An object of the present invention is to provide an automatic analyzer equipped with a scattering optical system that can be designed relatively freely with respect to the size and shape of the reaction vessel.
- the configuration of the present invention for achieving the above object is as follows.
- a reaction container for reacting a sample and a reagent for reacting a sample and a reagent, a reaction disk arranged in a line on the circumference of the reaction container, a reaction disk rotating mechanism for rotating the reaction disk, and a light source for irradiating the reaction container with measurement light
- a detector that detects light from the light source that has passed through the reaction solution in the reaction vessel
- an automatic analyzer comprising: An automatic analyzer comprising an optical system that makes light from the light source incident on the reaction vessel at a predetermined angle with respect to the surface of the reaction vessel.
- a detector that detects light from the light source that has passed through the reaction solution in the reaction vessel
- an automatic analyzer comprising:
- the reaction vessel has a rectangular parallelepiped shape or a cylindrical shape, and the light from the light source enters the reaction vessel at a predetermined angle with respect to the surface of the reaction vessel on which the light from the light source is incident on the reaction vessel.
- Automatic analyzer with an incident optical system is a rectangular parallelepiped shape or a cylindrical shape
- the light source is usually provided in parallel with the meridian of the reaction disk through the center of the reaction vessel so that the transmitted light can be measured.
- the reaction vessel has a quadrangular prism shape
- the light is generally incident from a direction perpendicular to the surface of the reaction vessel on which the light from the light source is incident.
- a transmitted light detector is also provided on the same optical axis.
- the angle of the scattered light with respect to the optical axis of the light source cannot be increased so much. This is because if the angle with respect to the horizontal plane is increased, the scattered light may be applied to the boundary between the liquid surface and the reaction vessel, or may be applied to the corner of the bottom surface of the reaction vessel.
- the present invention is characterized in that the optical axis of the irradiation light is provided in advance so as to have a predetermined angle with respect to a horizontal plane or a vertical plane so that the angle of the scattered light can be made large.
- an automatic analyzer equipped with a scattering optical system that can be designed relatively freely with respect to the size and shape of the reaction vessel.
- Schematic of scattered light detection Schematic of the positional relationship of the light source for the conventional scattered light detection, and a detection part.
- the reaction liquid reduction schematic based on the Example of this invention.
- BRIEF DESCRIPTION OF THE DRAWINGS The structure schematic of the whole apparatus based on the Example of this invention.
- FIG. 1 Examples related to the embodiment of the present invention will be described with reference to FIGS. 1, 2, 3, 4, 5, and 6.
- FIG. 1 Examples related to the embodiment of the present invention will be described with reference to FIGS. 1, 2, 3, 4, 5, and 6.
- FIG. 1 Examples related to the embodiment of the present invention will be described with reference to FIGS. 1, 2, 3, 4, 5, and 6.
- FIG. 1 is a schematic diagram of scattered light detection.
- the reaction vessel 3 When the light 4 emitted from the light source 1 enters the reaction vessel 3, a part appears as transmitted light 5 and a part appears as scattered light 6, and the scattered light is measured by the detector 2.
- the reaction vessel 3 has a rectangular parallelepiped shape will be described.
- FIG. 2 is a schematic diagram of a positional relationship between a light source and a detection unit for detecting scattered light in the related art.
- the light source 1, the detector 2, and the reaction vessel 3 are arranged in a straight line, and the detector 2 is installed at an elevation angle ⁇ 0 with respect to the horizontal plane 7.
- FIG. 3 relates to an embodiment of the present invention, and is a schematic diagram of a positional relationship when the light source 1 and the detector 2 are installed at an angle with respect to a horizontal plane.
- the light source 1 is installed at an elevation angle ⁇ 1 with respect to the horizontal plane 7.
- the detector 2 is installed at an elevation angle ⁇ 2 with respect to the horizontal plane 7.
- FIG. 4 relates to an embodiment of the present invention and is a schematic diagram of reaction liquid reduction.
- a light source 1a before the present invention a light source 1b after the present invention, a detector 2b before the present invention, and a detector 2a after the present invention are shown.
- an axis 7b having an angle ⁇ 0 with respect to the horizontal plane
- an axis 8a having an angle ⁇ 1 with respect to the horizontal plane
- an axis 8b having an angle ⁇ 2 with respect to the horizontal plane.
- the axis 7b is an axis corresponding to the scattered light detection angle of the detector before the present invention
- the axis 8b is an axis corresponding to the scattered light detection angle of the detector after the present invention.
- the axis 8a is an axis corresponding to the optical axis of the light source after the present invention is implemented.
- ⁇ 0 45 °
- the cross section of the reaction vessel is square
- the width 14 of the reaction vessel 3 is 5 mm
- the optical axis 8a of the irradiated light and the point 15 where the axes 8b and 7b corresponding to the detection angle of the scattered light intersect
- the reaction If the distance (reaction vessel width) 14 inside the vessel is 2.5 mm, the liquid level can be changed from 2.5 mm (2.5 mm ⁇ tan 45 °) to 1 mm (2.5 mm ⁇ tan 22.5 °).
- the cross-sectional area is from 5 mm to 25 mm 2 in the width of the reaction vessel, the amount of the reaction solution can be changed from 62.5 ul to 25 ul, and the reagent running cost can be reduced by about 1 ⁇ 2.
- FIG. 5 relates to the embodiment of the present invention, and is a schematic diagram of the positional relationship when the light source 1 and the detector 2 are installed at an angle with respect to the vertical plane 17.
- the light source 1 is installed at an angle ⁇ 1 with respect to the vertical plane 17.
- the detector 2 is installed at an angle ⁇ 2 with respect to the vertical plane 17.
- the photometric time is measured when the light source 1 and the detector 2 are installed at an angle with respect to the vertical plane 17. Is limited. In addition, the size of the reaction vessel for the purpose of reducing the amount of the reaction solution is limited.
- FIG. 6 is a schematic view of an automatic analyzer for carrying out the present invention.
- the reaction vessel cleaning mechanism 18 discharges and sucks water, detergent, and the like into the reaction vessel 3 to wash the inside of the reaction vessel.
- the sample pipetting mechanism 19 sucks the sample from the sample container 21 set on the sample container setting table 20, transports it to the sample discharge position 22 on the reaction disk, and discharges the sample into the reaction container 3. After the sample is discharged into the reaction container 3, the sample pipetting mechanism 19 is cleaned by the sample pipetting cleaning mechanism 23.
- the reagent pipetting mechanism 24 sucks the reagent from the reagent container 26 installed on the reagent container installation table 25, transports it to the reagent discharge position 27 of the reaction disk, and puts the reagent in the reaction container 3 containing the sample to be measured. Is discharged.
- the reagent pipetting mechanism 24 is cleaned by the reagent pipetting cleaning mechanism 28.
- the stirring mechanism 29 mixes the sample to be measured and the reagent.
- the sample is cleaned by the stirring mechanism cleaning mechanism 30.
- the transmitted light measuring mechanism 31 measures the absorbance of the reaction solution in which the sample and the reagent in the reaction vessel 3 are mixed.
- the scattered light measurement mechanism 32 measures the scattered light of the reaction liquid in which the sample and the reagent in the reaction container 3 are mixed. The operations of the above mechanisms and the measurement of transmitted light and scattered light are performed during the operation of the reaction disk 33.
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- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
Description
前記反応容器の面に対し所定の角度をなして前記光源からの光を該反応容器に入射させる光学系を備えた自動分析装置。
前記反応容器は直方体、もしくは円筒形状であり、かつ前記光源からの光が該反応容器に入射される該反応容器の面に対し、所定の角度をなして前記光源からの光を該反応容器に入射させる光学系を備えた自動分析装置。
1a 本発明実施前の光源
1b 本発明実施後の光源
2 検出器
2a 本発明実施後の検出器
2b 本発明実施前の検出器
3 反応容器
4 入射光
5 透過光
6 散乱光
7 水平面
7a 水平面
7b 水平面に対し角度θoをもった軸
8 本発明実施後の光源の光軸
8a 水平面に対し角度θ1をもった軸
8b 水平面に対し角度θ2をもった軸
11 本発明実施前の反応液面高さ
12 本発明実施後の反応液面高さ
13 反応液(ラテックス粒子含む)
14 反応容器幅
15 光軸と検出角度軸の交差点
16 反応容器内側から光軸と検出角度軸の交差点15の距離
17 鉛直面
18 反応容器洗浄機構
19 試料ピペッティング機構
20 試料容器設置テーブル
21 試料容器
22 反応ディスク上試料吐出位置
23 試料ピペッティング洗浄機構
24 試薬ピペッティング機構
25 試薬容器設置テーブル
26 試薬容器
27 反応ディスク上試薬吐出位置
28 試薬ピペッティング洗浄機構
29 撹拌機構
30 撹拌機構洗浄機構
31 透過光測定機構
32 散乱光測定機構
33 反応ディスク
Claims (4)
- 試料と試薬を反応させる反応容器と、該反応容器を円周上に、列状に配置した反応ディスクと、該反応ディスクを回転させる反応ディスク回転機構と、該反応容器に測定光を照射する光源と、前記反応容器中の反応液を透過した前記光源からの光を検出する検出器と、を備えた自動分析装置において、
前記反応容器の、面に対し所定の角度をなして前記光源からの光を該反応容器に入射させる光学系を備えたことを特徴とする自動分析装置。 - 試料と試薬を反応させる反応容器と、該反応容器を円周上に、列状に配置した反応ディスクと、該反応ディスクを回転させる反応ディスク回転機構と、該反応容器に測定光を照射する光源と、前記反応容器中の反応液を透過した前記光源からの光を検出する検出器と、を備えた自動分析装置において、
前記反応容器は直方体、もしくは円筒形状であり、かつ前記光源からの光が該反応容器に入射される該反応容器の面に対し、所定の角度をなして前記光源からの光を該反応容器に入射させる光学系を備えたことを特徴とする自動分析装置。 - 請求項1または2記載の自動分析装置において、
前記検出器は前記光源からの光を該反応容器に入射させる光軸と所定の角度をなして設けられていることを特徴とする自動分析装置。 - 請求項3記載の自動分析装置において、
前記光源から前記反応容器への光の入射角度と、前記検出器と該反応容器のなす角度が、同一の角度をもって設置されていることを特徴とする自動分析装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US13/979,858 US20130302212A1 (en) | 2011-01-21 | 2012-01-19 | Automatic analyzer |
CN201280003598.9A CN103210297B (zh) | 2011-01-21 | 2012-01-19 | 自动分析装置 |
JP2012553769A JP5748782B2 (ja) | 2011-01-21 | 2012-01-19 | 自動分析装置 |
EP12737158.1A EP2667180A4 (en) | 2011-01-21 | 2012-01-19 | AUTOMATIC ANALYSIS DEVICE |
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JP2011010349 | 2011-01-21 | ||
JP2011-010349 | 2011-01-21 |
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WO2012099215A1 true WO2012099215A1 (ja) | 2012-07-26 |
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PCT/JP2012/051117 WO2012099215A1 (ja) | 2011-01-21 | 2012-01-19 | 自動分析装置 |
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US (1) | US20130302212A1 (ja) |
EP (1) | EP2667180A4 (ja) |
JP (1) | JP5748782B2 (ja) |
CN (1) | CN103210297B (ja) |
WO (1) | WO2012099215A1 (ja) |
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JP5939833B2 (ja) * | 2012-02-24 | 2016-06-22 | 株式会社日立ハイテクノロジーズ | 自動分析装置 |
JP6592401B2 (ja) * | 2016-05-26 | 2019-10-16 | 株式会社日立ハイテクノロジーズ | 試料液面位置計測装置及び試料液面位置計測方法 |
JP6227068B1 (ja) * | 2016-07-27 | 2017-11-08 | 浜松ホトニクス株式会社 | 試料容器保持部材、光計測装置及び試料容器配置方法 |
CN106770913A (zh) * | 2016-12-09 | 2017-05-31 | 中储粮成都粮食储藏科学研究所 | 一种脂肪酸值自动检测仪 |
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- 2012-01-19 US US13/979,858 patent/US20130302212A1/en not_active Abandoned
- 2012-01-19 EP EP12737158.1A patent/EP2667180A4/en not_active Withdrawn
- 2012-01-19 CN CN201280003598.9A patent/CN103210297B/zh active Active
- 2012-01-19 WO PCT/JP2012/051117 patent/WO2012099215A1/ja active Application Filing
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CN103698502A (zh) * | 2013-12-13 | 2014-04-02 | 黄家亨 | 一种反应杯架 |
Also Published As
Publication number | Publication date |
---|---|
CN103210297A (zh) | 2013-07-17 |
JPWO2012099215A1 (ja) | 2014-06-30 |
EP2667180A1 (en) | 2013-11-27 |
EP2667180A4 (en) | 2014-06-25 |
US20130302212A1 (en) | 2013-11-14 |
CN103210297B (zh) | 2016-05-04 |
JP5748782B2 (ja) | 2015-07-15 |
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