Hitachi High-Tech Corporation Patente

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Provided are a container storage in which cylindrical container cases are arranged concentrically in the cylindrical container storage, and reliability is improved by improving rigidity of a rotary disk compared to a structure in the related art, an automatic analyzer, and a container storage method. A container case 8 includes an opening 8c that is capable of inserting and removing a QC specimen container 4, and a lid body 36 that is capable of opening and closing the opening 8c. A holder member 63 constituting a circular ring holder 9 is installed in each of regions formed by dividing a circumference of a rotary disk 16 by an integer N by providing a boundary so as to intersect with the circumference, and is fixed in at least a first position and a second position on an outer circumferential side of the first position in each of the regions.

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An object of the present invention is to provide an ion sensor electrode unit with almost no performance failure by improving adhesive strength regardless of materials of an electrode body and an ion-sensitive membrane. According to the present invention, an ion sensor electrode unit includes: an internal electrode that outputs an electrical potential to an ion-sensitive membrane; and an electrode body containing an internal solution that electrically connects the internal electrode and the ion-sensitive membrane. The electrode body includes a flow passage through which liquid containing a sample to be measured flows, and a mounting surface on which the ion-sensitive membrane is mounted. The mounting surface and the ion-sensitive membrane are welded together via a compatibilizer.

Provided are a container storage, an automatic analyzer, and a container storage method capable of improving efficiency of cooling a sample in a container and improving reliability compared to a structure in the related art. The container storage includes: a container case 8 that holds a QC specimen container 4 that accommodates a liquid; a circular ring holder 9 that allows a plurality of container cases 8 to be arranged; and a cooling device. The container case 8 includes a first tubular portion 8a having a first diameter d1 and a second tubular portion 8b located below the first tubular portion 8a in a vertical direction and having a second diameter d2 smaller than the first diameter d1, and at least a part of the second tubular portion 8b is held to be exposed from the circular ring holder 9. The cooling device cools at least the second tubular portion 8b exposed from the circular ring holder 9.

Provided are a container storage in which cylindrical container cases are individually arranged concentrically in the cylindrical container storage, and an optimal arrangement relationship of the container cases is implemented, an automatic analyzer, and a container storage method. A container case 8 includes an opening 8c that is capable of inserting and removing a QC specimen container 4 gripped by a container gripping device 33 and a lid body 36 that is capable of opening and closing the opening 8c. A circular ring holder 9 holds the plurality of container cases 8 concentrically in two or more circles, and when the number of the container cases 8 which can be arranged on a circumference of a first circle among the concentric circles is defined as a first arrangement number and the number of the container cases 8 which can be arranged on a circumference of a second circle which is arranged outside the first circle among the concentric circles is defined as a second arrangement number, the second arrangement number is larger than the first arrangement number.

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To provide an analyzing apparatus and a method of determining an abnormality capable of detecting abnormalities including defects and deterioration of replaceable components based on a potential difference generated between an ion selective electrode and a reference electrode, in an analyzing apparatus that measures a concentration of electrolytes in a sample, a waveform acquisition unit associates the acquired waveforms with each of driving timings, detects a peak of a waveform that appears in temporal vicinity of the driving timing, and calculates a feature amount. Here, the feature amount includes at least one of the electromotive force at the peak or a time period between a time of the driving timing and a time of occurrence of the peak. Then, the waveform analyzing unit determines an abnormality based on the feature amount (refer to Fig. 4).

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In an automatic analyzer, it is possible to start analysis of a sample with high accuracy in a short time by stabilizing the temperature of a light detection element or a diffraction grating in a short time. The present disclosure proposes an automatic analyzer including: a light source that applies light to a reaction container in which a sample and a reagent are mixed and reacted; a spectroscopic element that disperses light transmitted through the reaction container; a light detection element that detects light dispersed by the spectroscopic element; a fixing member that fixes the light detection element and the spectroscopic element; a measurement chamber that accommodates the spectroscopic element and the light detection element; a heating device installed on the fixing member; a controller that controls the heating device; a temperature sensor support member installed on the fixing member on an inner side of the measurement chamber adjacent to the light detection element; and a measurement chamber internal temperature sensor installed in the temperature sensor support member, in which a thermal time constant from the heating device to the light detection element is in a range of 80% to 120% of a thermal time constant from the heating device to the measurement chamber internal temperature sensor, and the controller controls the heating device such that a temperature detected by the measurement chamber internal temperature sensor becomes a predetermined temperature (see FIG. 2).

There is provided an automatic analysis apparatus including an analysis module configured to perform an analysis operation of a specimen, and a control device configured to control the analysis module. The analysis module includes a light source configured to emit light, a photometer configured to measure the light from the light source, which has passed through a reaction solution obtained by mixing the specimen with a reagent, a photometer temperature sensor configured to measure temperature of the photometer, an environmental temperature sensor installed in a housing of the analysis module and configured to measure an environmental temperature outside the housing, and a heater configured to heat the photometer. The control device is configured to calculate, based on a correlation between a stable temperature of the photometer and the environmental temperature, the stable temperature of the photometer from the environmental temperature measured by the environmental temperature sensor, and to control the heater only for a predetermined period of time using the stable temperature as a target value of the photometer temperature measured by the photometer temperature sensor.

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