JPH0835970A - Automatic analyzer - Google Patents

Abstract

PURPOSE:To improve operability by setting a rack-type container holding part, which can set a plurality of sample containers on a supplying rack tray, recovering the containers after the finish, and setting the containers for accuracy control, a standard sample and an emergency specimen. in a disk-type container holding part. CONSTITUTION:A rack-type sample-container holding part, wherein sample containers 1 for containing the patient's specimens are set, is set on a supplying rack tray 15. The tray is sequentially moved to a sample sucking position on a rack moving path 3 and stopped. The specified amount of the specimen is sucked with the sampling arm of a sample distributing mechanism 4 from the container 1. After the sucking, the sample is discharged into a reaction container 5 at the sample discharging position with the arm. The holding part 2 is moved to a recovery rack tray and contained. A sample container 17 containing a standard sample, an accuracy control sample and an emergency specimen is set at a disk-type sample container holding part 7. The container 17 is moved to a sample sucking position by the rotation of the holding part 7. By the same way, the sample is sucked and discharged with the arm heareinafter. These operation are all controlled controlled with a computer.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a general-purpose automatic analyzer.

[0002]

2. Description of the Related Art In an automatic analyzer for chemically analyzing components contained in a biological sample such as blood, conventionally, a holding portion on a rod (hereinafter referred to as a rack type sample container holding portion) for holding a plurality of sample containers for containing patient specimens ) And a dish (hereinafter referred to as a rack tray) that holds a plurality of rack-shaped sample container holders,
In some cases, a circular table uses a sample container holding part having a plurality of sample container placement holes (hereinafter referred to as a disk-shaped sample container holding part).

The automatic analyzer using the rack-shaped sample container holder can set a large number of patient specimens at a time as compared with the automatic analyzer using the disk-shaped sample container holder, so that the sample can be replaced or added. The amount of work required is small, and in general, there are rack trays for setting patient samples to be measured (hereinafter referred to as supply rack trays) and rack trays for collecting patient samples for which measurements have been completed (hereinafter referred to as collection rack trays). , There are few sample mix-ups.

On the other hand, in the automatic analyzer using the disc-shaped sample container holding section, when the standard sample and the quality control sample are measured at regular intervals, the standard sample and the quality control sample are disc-shaped. By arranging at a predetermined position of the sample container holding part and setting the measurement interval of the standard sample or the quality control sample in advance, the operator does not need to add the standard sample or the quality control sample at regular intervals, It is possible to easily measure a standard sample, a quality control sample, or the like at regular intervals.

[0005]

In view of operability, the above-mentioned prior art is not suitable for an automatic analyzer using only a rack type sample container holding section and a rack tray and an automatic analyzing apparatus using only a disk type sample container holding section. Each had its drawbacks.
In an automatic analyzer using a rack type sample container holder and a rack tray, in order to measure a standard sample or a sample for quality control at regular intervals a plurality of times, the operator needs to measure the standard sample or accuracy at regular intervals. It is necessary to add a rack-type sample container holding unit for holding control samples from the collection rack tray to the supply rack tray, and the operator's work volume increases, and the operator always waits by the automatic analyzer. It was necessary and there was a risk of forgetting to add standard samples and quality control samples at regular intervals. On the other hand, the automatic analyzer using the disc-shaped sample container holding unit generally has a smaller number of patient specimens that can be set at one time than the automatic analyzer using the rack-shaped sample container holding unit and the rack tray. When measuring more patient samples than the number of patient samples that can be set in the sample container holder, it is necessary to replace / add the patient samples that have been measured with the patient samples to be newly measured. There has been a problem that the sample is likely to be replaced when the sample is exchanged.

According to the present invention, a normal sample is set in the rack type sample container holding section, and a standard sample, a quality control sample or an urgent sample is set in the disk type sample container holding section, and the standard sample or the quality control sample is set in advance. If the measurement interval is set, the operator can measure the standard sample and the quality control sample at regular intervals without adding the standard sample and the quality control sample, and the patient sample after the measurement is completed. By providing a general-purpose automatic analyzer with improved operability, it is possible to reduce the amount of work and erroneous work associated with replacement / addition of patient samples for which measurement has not been completed.

[0007]

An automatic analyzer includes a sample container for holding a sample, a sample holder for setting the sample container, a sample dispensing mechanism for collecting a sample from the sample container, and a reagent dispensing for collecting a reagent. Mechanism, measurement unit for measuring the concentration of a specific substance contained in the reaction mixture of sample and reagent, computer control unit for mechanism control and data processing of sample holding unit and analysis unit, and operator set measurement conditions It is roughly divided into operating parts.

The above-mentioned object is that a rack for setting a disk-shaped sample container holding unit for setting a standard sample, a quality control sample, and an emergency sample as a sample container holding unit by one automatic analyzer. This is achieved by having a sample container holder and a supply rack tray and a collection rack tray together.

[0009]

The operator sets the sample container for holding the patient sample in the rack-shaped sample container holder, sets the rack-shaped sample container holder in the supply rack tray, and sets the disk-shaped sample container holder at regular intervals. Set the standard sample and the quality control sample to be used for measurement, and set the analysis conditions such as the measurement interval of the standard sample and the quality control sample. The rack-shaped sample holding unit that holds the sample container that contains the patient sample for which the measurement has been completed is collected in the collection rack tray after the measurement is completed. When setting the patient sample in this way, the operator can set only the patient sample side in the rack type sample container holding part because the supply rack tray and the collection rack tray are separated, and the patient sample after the measurement and the measurement It is easy to discriminate the patient sample that has not been completed, and it is possible to measure the standard sample and the quality control sample set in the disk-shaped sample container holder at regular intervals.

[0010]

Embodiments of the present invention will be described in detail below with reference to FIGS.

FIG. 2 is a structural top view showing a preferred embodiment of an automatic analyzer to which the present invention is applied.

FIG. 2 is a structural top view showing a preferred embodiment of an automatic analyzer to which the present invention is applied.

(Embodiment 1) In FIG. 1, when a patient sample is analyzed, the sample container 1 containing the patient sample is set in a rack type sample container holding part 2 and the rack type sample container holding part 2 is supplied. Set on the rack tray 15. The rack type sample container holding unit 2 sequentially moves to the sample suction position on the rack moving path 3 and then stops, and a predetermined amount of a patient sample is sucked from the sample container 1 by the sample dispensing mechanism 4. At this time, the sample dispensing is performed. The sampling arm forming the mechanism 4 rotates in the counterclockwise direction. The sampling arm that has sucked the patient sample rotates clockwise and stops at the sample discharge position, and then discharges the sample into the reaction container 5. The rack-shaped sample container holding unit 2 holding the sample container 1 for which the sample dispensing mechanism 4 has finished sucking the sample sequentially moves to the recovery rack tray 6. When the number of rack-shaped sample container holders accommodated in the recovery rack tray 6 approaches the number of rack-shaped sample container holders that can be accommodated in the recovery rack tray 6, an alarm is generated to notify the operator of the above state, The operator collects the patient sample for which the measurement is completed, which is stored in the collection rack tray.

When measuring a standard sample, a quality control sample, or a specific sample such as an urgent sample, a sample container 17 containing the standard sample, the quality control sample, or the urgent sample is set in the disk-shaped sample container holder 7. The sample container 17 moves to the sample suction position by the rotation of the disk-shaped sample container holding unit 7 in accordance with the measurement interval preset by the operator from the operation unit 18, and constitutes the sample dispensing mechanism 4. The sampling arm rotates counterclockwise to suck a predetermined amount of standard sample, quality control sample, or the like from the sample container 17 by the sample dispensing mechanism 4. Next, the sampling arm rotates clockwise and stops at the sample discharge position, and then discharges the sample into the reaction container 5. The operations of the rack-shaped sample container holder 2 and the disk-shaped sample container holder 7 are controlled by a computer, and measurement is performed under measurement conditions preset by the operator. Hereinafter, the analysis process after the patient sample, the quality control sample, or the standard sample is discharged to the reaction container 5 will be described.

A reaction line (reaction table) 8 in which a plurality of reaction vessels 5 are arranged in a circular shape is rotated in a direction indicated by an arrow by a driving device controlled by a computer (not shown), and the reaction vessel 5 from which the sample is discharged is After moving to the reagent discharge position and stopping, the reagent is added. To add the reagent, the reagent is sucked by the reagent dispensing mechanism 11 from the reagent bottle 10 set in the reagent table 9, and the reaction container 5
Discharge into. The reaction container 5 moves to the stirring position and stops, and the contents of the reaction container 5 are stirred by the stirring mechanism 16 and then rotated on the reaction line for a predetermined time to pass the light flux emitted from the light source 12 at predetermined intervals. Then, the reaction vessel 5
The absorbance of the light flux passing through is detected by the photometer 13. The detected absorbance signal enters a computer through an analog / digital converter (not shown) and an interface (not shown), and is converted into a concentration to be measured in the sample. The density-converted data is printed out from a printer (not shown) via the interface or displayed on a CRT screen which constitutes the operation unit 18. After the analysis, the reaction vessel 5 is sequentially moved to the position of the cleaning mechanism 14, cleaned, and then used for the next analysis.

(Embodiment 2) As shown in FIG. 2, when the disk-shaped sample container holder 7 for holding the standard sample and the quality control sample is arranged inside the moving path of the rack-shaped sample container holder 2, the sample is sucked. Is a sampling arm that constitutes the sample dispensing mechanism 4 at the sample suction position of the rack-shaped sample container holding portion 2 and the sample suction position of the disk-shaped sample container holding portion 7 inside the moving path of the rack-shaped sample container holding portion 2. Is carried out under the control of a computer in the same manner as (Example 1) above.

[0017]

According to the present invention, the operator sets the measurement intervals of the standard sample and the quality control sample at regular intervals from the operation unit, and the standard sample, the quality control sample and the emergency sample are stored in the disk-shaped sample container. If you set it in the holding part, sort the patient sample into the sample container, set the sample container in the rack type sample container holding part held in the supply rack tray, and start the measurement by the automatic analysis device, the automatic analysis device It is possible to measure standard samples and quality control samples at regular intervals without adding standard samples or quality control samples at regular intervals until measurement is completed, and it is possible to set a large number of patient specimens. By using the rack-type sample container holder, supply rack tray, and recovery rack tray, the number of patient sample additions and replacements can be reduced compared to the automatic analyzer using the disc-shaped sample container holder. Come, and the operator for the discrimination of patients specimens finished patient samples has not been completed for the measurement of the measurement is easy, the operation of the automatic analyzer can reduce erroneous operator work is improved.

[Brief description of drawings]

FIG. 1 is a schematic top view showing an embodiment of an automatic analyzer to which the present invention is applied.

FIG. 2 is a schematic top view showing an embodiment of an automatic analyzer to which the present invention is applied.

[Explanation of symbols]

1, 17 ... Sample container, 2 ... Rack-shaped sample container holding portion, 6
... collection rack tray, 7 ... disk-shaped sample container holder,
15 ... Supply rack tray, 18 ... Operation part.

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Katsuaki Takahashi 882 Ichige, Katsuta City, Ibaraki Prefecture Hitachi Ltd., Measuring Instruments Division

Claims (2)

[Claims] 1. A reaction line to which a row of reaction vessels is transferred, a sample dispensing device for dispensing a sample from a sample vessel to a reaction vessel on the reaction line by a sample probe, and a reagent to the reaction vessel on the reaction line. In an automatic analyzer equipped with a reagent dispensing device for dispensing a sample and a photometer for measuring the concentration of a specific substance contained in a sample, a reagent, and a reaction solution in which the sample and the reagent are mixed in the reaction container , A rack type sample container holding part capable of setting a plurality of sample containers holding a patient sample and a supply rack tray capable of setting a plurality of rack type sample container holding parts, and a sample container after analysis are collected It has a recovery rack tray and a disk-shaped sample container holder that holds sample containers for multiple quality control samples, multiple standard samples, and multiple emergency samples. Automatic analyzer for. 2. The automatic analyzer according to claim 1, wherein the disk-shaped sample container holding portion is arranged inside a moving path of the rack-shaped sample container holding portion.