WO2023021857A1 - 自動分析装置 - Google Patents
自動分析装置 Download PDFInfo
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- WO2023021857A1 WO2023021857A1 PCT/JP2022/026000 JP2022026000W WO2023021857A1 WO 2023021857 A1 WO2023021857 A1 WO 2023021857A1 JP 2022026000 W JP2022026000 W JP 2022026000W WO 2023021857 A1 WO2023021857 A1 WO 2023021857A1
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- 238000004458 analytical method Methods 0.000 title abstract description 57
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 27
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 abstract description 38
- 238000009434 installation Methods 0.000 abstract description 33
- 239000000523 sample Substances 0.000 description 121
- 238000006243 chemical reaction Methods 0.000 description 10
- 230000007704 transition Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 230000001900 immune effect Effects 0.000 description 3
- 230000036039 immunity Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000012472 biological sample Substances 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013610 patient sample Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
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Classifications
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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
-
- 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
Definitions
- the present invention relates to an automatic analyzer.
- Automated analyzers which perform quantitative and qualitative analysis of specific components contained in biological samples such as blood and urine (hereinafter referred to as specimens), have high reproducibility of analysis results and high processing speed. It is essential for diagnosis.
- an automatic analyzer that allows the operator to perform operations such as additional installation of containers during analysis operation, and that has a dedicated inlet for installing an emergency sample when an emergency sample interrupt occurs (Patent Document 1). 1).
- Patent Document 1 installing a special input port for emergency samples increases the number of mechanisms that need to be installed in the device itself, which may lead to an increase in costs and an increase in the unit price of the device.
- an object of the present invention is to provide an automatic analyzer that allows an operator to easily perform operations such as additional placement of containers during analysis operations.
- the present invention provides a storage unit for pre-storing a sample container in which the sample is stored, and a sample dispensing unit for aspirating and dispensing the sample from the sample container before measuring the sample.
- an input unit for receiving a command to store an urgent sample in the storage unit;
- a control unit that controls so that a second operation scheduled to be performed next by the sample pipetting unit is not started, and a display unit that prompts a user to store the emergency sample in the storage unit.
- an automatic analyzer that allows an operator to easily perform operations such as additional placement of containers during analysis operations.
- FIG. 10 is a diagram showing an example of the timing at which STAT samples can be installed and the sample measurement order in the corresponding situation;
- FIG. 10 is a flow chart from when a STAT button is pressed until a request for an urgent sample is added;
- FIG. 10 is a diagram showing an example of a screen displaying an overview of sample and rack information; The figure which shows that only an emergency rack moves to an erection possible part.
- the figure which shows that a STAT sample can be constructed.
- FIG. 1 is a diagram simply showing a plan view of the automatic analyzer.
- reaction vessels 2 are arranged on the circumferential positions of the reaction disk that constitutes the incubator 1 .
- a common reaction vessel 2 is used for all reactions.
- the incubator 1 is controlled to be rotationally driven by a driving mechanism such as a motor (not shown).
- Automatic analyzers have a rack system and disk system as a container installation mechanism (including the function to transport containers).
- the rack method is suitable for batch analysis of multiple containers.
- the disk format lends itself to analysis of individual containers.
- a disc-type specimen container installation mechanism is employed.
- a plurality of reagent bottles 3 and sample containers 103 can be placed on a sample container installation mechanism 101 (also referred to as a sample/reagent disk), which is a storage unit for pre-storing sample containers containing samples.
- the specimen container installation mechanism 101 has a disc shape.
- the reagent bottle 3 is a combination of a plurality (here, three) of reagent containers each containing a reagent.
- 36 reagent bottles 3 are positioned inside the sample container 103 , but the sample container 103 may be positioned inside the reagent bottle 3 , and the reagent bottle 3 and the sample container 103 may be located inside the sample container 103 .
- the specimen container installation mechanism 101 is a storage section common to reagents and specimens, but the storage sections for reagents and specimens may be separate.
- a dispensing mechanism 4 capable of circular (rotational) movement and vertical movement and having a dispensing nozzle is installed.
- the dispensing nozzle moves while drawing an arc around the rotation axis to dispense from the reagent bottle 3 or sample container 103 to the reaction container 2 .
- a reagent aspirating position and a sample aspirating position on the sample container installation mechanism 101, a dispensing position on the incubator 1, and a cleaning tank 5 for cleaning the dispensing nozzle are present on the orbit of the dispensing nozzle.
- the specimen and the reagent are aspirated by the dispensing nozzle, and the specimen and the reagent are agitated and mixed by the aspirating and discharging operation of the dispensing nozzle in the reaction container 2 .
- a stirring mechanism for stirring the specimen and the reagent can be made unnecessary.
- a reaction container 2 containing a reaction liquid in which a specimen and a reagent are mixed is controlled at a predetermined temperature by an incubator 1, and the reaction is accelerated for a predetermined time.
- a spectrophotometer 6 is arranged around the incubator 1 .
- the spectrophotometer 6 includes a light source and a detector (not shown), and spectrophotometrically detects the transmitted light obtained by irradiating the reaction liquid in which the sample and the reagent are mixed with the light source. Measure the absorbance.
- the detection principle of the automatic analyzer is not limited to biochemical testing.
- the spectrophotometer 6 is not required, and the analyzer for immunity is provided.
- the amount of luminescence derived from the luminescence reaction of a labeling substance is measured using a photomultiplier tube as a detector.
- the automatic analyzer is of a combined type for biochemical examination and immunological examination, it is provided with both the spectrophotometer 6 and the analysis unit for immunity.
- the control unit 7 controls the rotation of the incubator 1, the rotation inside the sample container setting mechanism 101, the driving and dispensing operation of the dispensing mechanism 4, the cleaning of the dispensing nozzle of the washing tank 5, and the operation of various mechanisms. do.
- the control unit 7 has a normal central processing unit (CPU) (not shown), a display unit as an input/output unit, a STAT button, and the like.
- the display screen functions as an input section.
- FIG. 1 for the sake of simplification of illustration, the connection between each mechanism constituting the automatic analyzer and the control unit 7 is omitted.
- the sample container 103 is stored in the sample rack 102 . Further, as shown in the figure, the sample rack 102 is positioned on the outer peripheral portion of the disk-shaped sample container installation mechanism 101 , and the reagent bottle 3 is positioned on the inner peripheral portion of the disk-shaped sample container installation mechanism 101 . . That is, the storage part is disc-shaped, and the sample is placed in the outer peripheral part of the storage part, and the reagent is placed in the inner peripheral part.
- the control unit 7 controls to move the outer peripheral portion. Note that only a portion of the specimen container 103 arranged on the circumference is shown for the sake of simplification of the drawing.
- the sample container 103 is installed on the sample rack 102 by the user.
- the sample container installation mechanism 101 can rotate about its center, and moves any installed sample container 103 to a required position.
- the sample container installation mechanism 101 rotates as described above each time a sample is required to be dispensed. Therefore, the user normally installs a new sample container on the sample container installation mechanism 101 during analysis. I can't.
- the automatic analyzer of this embodiment allows the user to additionally install a new sample container to the sample container installation mechanism 101 during the analysis operation. as an additional rack (hereinafter referred to as an emergency rack).
- STAT mode a function for transitioning to a state in which the sample container 103 can be installed in an emergency rack.
- an automatic analyzer equipped with a conventional disk-type container setting mechanism
- the user places the sample disk on the container setting portion of the sample disk while the operation of the automatic analyzer is stopped before the analysis. Perform work such as setting up sample containers.
- the user sets information such as samples and analysis items in the automatic analyzer, and inputs an analysis start instruction.
- the automatic analyzer starts an analysis operation on the sample container set in advance and placed on the sample disk. Once the analysis operation is started, the automatic analyzer basically does not stop until the analysis operation is completed.
- the annulus portion of the specimen disk intermittently moves as an intermittent rotational movement. In other words, each container mounting portion repeats unit rotational movement and rest.
- the user may wish to additionally install a sample container on the sample disk during the analysis operation.
- a sample container For example, there is a case where an urgent sample to be analyzed urgently is generated as an additional sample.
- the partial operation is the operation of the sample disk and its surrounding sample dispensing mechanism.
- the reason for the suspension is that the safety of the user and the specimen cannot be ensured when the container installation work is performed while the mechanism is in operation. For example, if a user's finger touches the tip of the probe, there is a risk of injury or infection, and contamination of the tip can affect analysis. Also, if the sample container comes into contact with a moving mechanism, it may be damaged.
- the user installs an additional sample container in an empty container installation section on the sample disk while the device is in a stopped state. After that, the user restarts the operation of the automatic analyzer to perform the analysis operation on the additional sample container.
- an automatic analyzer equipped with a disk-type container installation mechanism the user's work such as additional installation of containers during analysis operation is reduced, thereby realizing the convenience and easiness of the work. Furthermore, an embodiment will be described that can ensure the safety of users and specimens, reduce the number of mechanisms required for the entire apparatus, contribute to cost reduction, and improve customer satisfaction.
- FIG. 2A is a diagram showing that the automatic analyzer moves the emergency rack to the emergency sample cover 104 on which the sample can be placed when the STAT mode is switched.
- FIG. 2B is a diagram showing that opening the emergency sample lid 104 enables installation of a new sample container to be additionally installed.
- the emergency rack and the reagent bottles on the inner periphery of the emergency rack are shown for easy understanding of the rotating motion.
- an input section (hereinafter referred to as the STAT button) is provided to receive an additional specimen installation request command from the user.
- the automatic analyzer transitions to the STAT mode, the emergency rack is moved to the emergency sample cover 104, the user opens the emergency sample cover, and additional samples are placed on the emergency rack. By doing so, analysis of additional samples can be started.
- a composite system including an automatic bioanalyzer, an automatic immunological analyzer, etc. will be described.
- the items requested for analysis by the user are prepared for analysis by the automatic analyzer. Analysis is started for each of biochemistry (type A) and immunity (type B).
- STAT in the analysis status of analysis completion request items 301 (requests 2, 6, 7, 8), under-analysis request items 302 (requests 3, 8), and unanalyzed request items 303 (requests 4, 9, 10, 11, 12). This is a situation in which an input from the user is received using a button.
- the sample container installation mechanism 101 When the requested sample container 103 has already been installed in the sample rack 102 stored in the sample container installation mechanism 101, the sample container installation mechanism 101 is normally in the process of analysis operation.
- the sample stored in the suspended sample container 103 is a normal patient sample (hereinafter referred to as a normal sample)
- the timing for transitioning from the analysis operation to the STAT mode is an urgent sample (hereinafter referred to as a STAT mode).
- a sample it differs depending on the case of a standard solution (hereinafter referred to as a calibrator).
- the automated analyzer will complete the dispensing of this requested item. If a requested item is not scheduled to be dispensed, the automated analyzer will not initiate dispensing of this requested item. The same applies when dispensing other requested items of the sample has started.
- the specimen initially provisionally set is only the normal specimen, and at the time the request by the STAT button is received, the under-analysis request item 302 (requests 3 and 8) is in the process of being analyzed. , the analysis continues without transitioning to STAT mode. In other words, a transition to the STAT mode is reserved, and the analysis is not interrupted. In addition, since dispensing has not started for the unanalyzed request items 303 (requests 4, 9, 10, 11, 12), the mode transitions to the STAT mode when the under-analysis request items 302 (requests 3, 8) are completed. .
- the emergency rack After transitioning to the STAT mode, the emergency rack is moved to the emergency sample lid 104, the user opens the emergency sample lid, and the STAT samples are placed on the emergency rack.
- the urgent sample analysis item 304 is requested by the user, and analysis is started with priority over the analysis items requested for normal samples.
- Fig. 4 is an example of a screen for setting emergency racks.
- a screen example 401 displayed on the display unit of the control unit 7 indicates whether the rack installed on the sample disk is the normal sample rack 402 or the emergency rack 403 .
- Emergency rack ID information can also be set from an external system (eg, clinical laboratory information system).
- Fig. 5 is a flow chart from after the STAT button is pressed until a STAT sample request is added.
- a step (hereinafter referred to as S) 501 indicates a STAT button input.
- the apparatus that receives the input instruction of the STAT button in S501 checks whether there is a sample being analyzed (S502). If the sample under analysis is "presence", the identification information of the corresponding sample is confirmed (S503).
- the identification information is "calibrator”
- the dispensing of calibrators and reagents for executing all unexecuted calibration requests is completed (S504). If the identification information is a STAT sample, the dispensing of the sample and the reagent is completed in order to execute all unprocessed "STAT sample” requests (S505). If the identification information is "normal sample” or "QC sample”, the dispensation under analysis is completed (S506). Next, the time until each dispensing is completed (time until transition to STAT mode) is displayed (S507). When it is time to complete the dispensing, the mode is changed to STAT mode.
- emergency rack movement is started (S508).
- the sample under analysis is confirmed (S502), if the sample under analysis is "none", the mode is immediately changed to the STAT mode, and emergency rack movement is started (S508).
- the current position of the emergency rack set according to FIG. 4 is acquired (S509), and the emergency rack is moved from the current position to the emergency sample inlet (S510).
- FIG. 2 shows an example in which the emergency rack and the reagent bottle are integrated to move the sample container installation mechanism 101. only may be moved (see FIGS. 7A and 7B).
- the emergency sample inlet may be set at any position by the user, not only at the position shown in the figure.
- Fig. 6 is an example of a screen for setting an emergency rack.
- a screen example 601 displayed on the display unit of the control unit 7 displays sample rack information on the sample disk being analyzed.
- 602 and 603 indicate whether it is the normal sample rack 402 or the emergency rack 403 set in the screen example 401, respectively.
- the time 604 required to enter the STAT mode is also shown.
- an automatic analyzer equipped with a disk-type container installation mechanism it is possible for the operator to install additional containers during the analysis operation without installing a dedicated input port. , it is possible to provide a technique that can realize convenience and easiness of work with less operator labor, and a technique that contributes to cost reduction and can improve customer satisfaction.
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Abstract
Description
Claims (6)
- 検体の測定前に、当該検体が収納された検体容器を予め格納する格納部と、
前記検体容器から前記検体を吸引して分注する検体分注部と、
緊急検体を前記格納部に格納するための指令を受け付ける入力部と、
前記入力部が前記指令を受け付けた時点で前記検体分注部により行われている第1動作が終了した後、前記検体分注部により次に行われる予定の第2動作が開始されないように制御する制御部と、
ユーザに対して、前記緊急検体を前記格納部に格納するよう促す表示部と、を備える、
ことを特徴とする自動分析装置。 - 請求項1記載の自動分析装置であって、
前記格納部は円盤状であり、前記格納部の外周部に前記検体を、内周部に試薬を配置する、
ことを特徴とする自動分析装置。 - 請求項2記載の自動分析装置であって、
前記制御部は、前記外周部を移動させるよう制御する、
ことを特徴とする自動分析装置。 - 検体の測定前に、当該検体が収納された検体容器を予め格納する格納部と、
前記検体容器から前記検体を吸引して分注する検体分注部と、
緊急検体を前記格納部に格納するための指令を受け付ける入力部と、
前記入力部が前記指令を受け付けた時点で前記検体分注部により行われている第1動作が終了した後、前記検体分注部により次に行われる予定の第2動作が開始されないように制御する制御部と、を備え、
前記格納部は、通常検体を格納する第1格納部と、前記緊急検体を格納する第2格納部を有し、
前記制御部は、前記第2動作が開始されないように制御した後、前記第2格納部がユーザによる前記緊急検体の挿入位置まで移動するよう制御する、
ことを特徴とする自動分析装置。 - 請求項4記載の自動分析装置であって、
前記格納部は円盤状であり、前記格納部の外周部に前記検体を、内周部に試薬を配置する、
ことを特徴とする自動分析装置。 - 請求項5記載の自動分析装置であって、
前記制御部は、前記外周部を移動させるよう制御する、
ことを特徴とする自動分析装置。
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JP2023542250A JPWO2023021857A1 (ja) | 2021-08-18 | 2022-06-29 | |
EP22858180.7A EP4390400A1 (en) | 2021-08-18 | 2022-06-29 | Automatic analysis device |
CN202280055309.3A CN117795348A (zh) | 2021-08-18 | 2022-06-29 | 自动分析装置 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2014098618A (ja) * | 2012-11-14 | 2014-05-29 | Hitachi High-Technologies Corp | 自動分析装置 |
JP2019027954A (ja) | 2017-07-31 | 2019-02-21 | 株式会社日立ハイテクノロジーズ | 自動分析装置 |
JP2020160086A (ja) * | 2014-11-25 | 2020-10-01 | 株式会社日立ハイテク | 自動分析装置 |
CN112444637A (zh) * | 2019-08-30 | 2021-03-05 | 深圳迈瑞生物医疗电子股份有限公司 | 一种样本分析装置及其测试方法 |
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- 2022-06-29 EP EP22858180.7A patent/EP4390400A1/en active Pending
- 2022-06-29 WO PCT/JP2022/026000 patent/WO2023021857A1/ja active Application Filing
- 2022-06-29 CN CN202280055309.3A patent/CN117795348A/zh active Pending
- 2022-06-29 JP JP2023542250A patent/JPWO2023021857A1/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2014098618A (ja) * | 2012-11-14 | 2014-05-29 | Hitachi High-Technologies Corp | 自動分析装置 |
JP2020160086A (ja) * | 2014-11-25 | 2020-10-01 | 株式会社日立ハイテク | 自動分析装置 |
JP2019027954A (ja) | 2017-07-31 | 2019-02-21 | 株式会社日立ハイテクノロジーズ | 自動分析装置 |
CN112444637A (zh) * | 2019-08-30 | 2021-03-05 | 深圳迈瑞生物医疗电子股份有限公司 | 一种样本分析装置及其测试方法 |
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