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Electrolyte analyzing device

A technology for electrolyte analysis and potential, which is applied in measuring devices, analyzing materials, and analyzing materials by electromagnetic means, etc., which can solve problems such as re-cleaning of devices, unusable reagents, and inability to obtain measurement results, etc.

Pending Publication Date: 2021-04-13
HITACHI HIGH-TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] These reagents are different from each other in composition, so if different reagents come into contact with the suction nozzle liquid due to a user's mistake in the reagent container replacement operation, or contamination between the reagents occurs due to reagent splashing during the replacement operation, In this case, the correct measurement results cannot be obtained, the reagents used as consumables can no longer be used, and the flow path of the device needs to be cleaned again.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] Figure 4 A first configuration example of the reagent container installation unit 502 is shown in the middle. The drawing shows a cross-sectional view (schematic diagram) of a state in which the suction nozzle 6 of the reagent container installation part 502 is inserted into the reagent container 101 . In the reagent container installation part 502 , a reagent container holder 204 is provided on a substrate 205 . The reagent container 101 is placed on the base plate 205, and the reagent container installation part 502 is configured to be able to enter and exit the housing of the device by being coupled to a rail 501 (not shown). In addition, the suction nozzle 6 is coupled to a nozzle support portion 203 that can be raised and lowered from a reagent container holder 204 via a handle 202 and an insulator 304 .

[0059] Figure 5A Middle indicates a state where the nozzle support portion 203 is locked by the locking mechanism 301 . When the user replaces the reagent ...

Embodiment 2

[0078] Figure 8 A second configuration example of the reagent container installation unit 502 is shown in the middle. The main difference between the second configuration example and the first configuration example is that two suction nozzles 6-1, 6-2 are combined on the nozzle support part 203, and the user lifts the handle 202, so that the two suction nozzles 6-1 1, 6-2 are promoted at the same time. In this example, an insulator 304 is provided between the nozzle support portion 203 and the reagent container holder 204, and the flow path is insulated from the two suction nozzles provided on the handle 202 by one insulator. The position where the insulator 304 is set is not limited to Figure 8 In the form shown in , it can also be arranged between the handle 202 and the nozzle support part 203 as in the first embodiment. In either case it is not necessary to provide an insulator for each suction nozzle. Corresponding to the reagent containers 101-1 and 101-2 respective...

Embodiment 3

[0081] Such as Figure 8 As shown, the configuration in which a plurality of reagent containers are arranged side by side in the reagent container setting part 502 can configure the reagent container setting part compactly, and as described in the second embodiment, the efficiency of the replacement work can be improved. Such as figure 1 As shown, in the case of an electrolyte analysis device, since three kinds of reagents, namely, an internal standard solution, a diluent, and a comparative electrode solution, are used, in Example 3, the configuration of the reagent container installation part 502 for placing the three kinds of reagent containers was studied. . Since the reagent container is replaced manually, the risk of contamination cannot be zeroed out due to reagent splashing from the suction nozzle, liquid overflowing from the suction port of the reagent container, and the like during the replacement operation. In particular, if a plurality of reagent containers are pl...

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PUM

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Abstract

The objective of the present invention is to provide an electrolyte analyzing device with which an electrical effect does not occur in an analysis result, even if a suction nozzle comprising an electrical conductor is used. This electrolyte analyzing device comprises a housing 100 to which a reference potential is applied, a flow passage which is electrically insulated from the housing, delivers a sample solution or an internal standard solution to a first electrode, and delivers a reference electrode solution to a second electrode, and a reagent vessel placement unit 502 which is electrically connected to the housing, and on which a diluent bottle 4 accommodating a diluent, an internal standard solution bottle 3 accommodating the internal standard solution, and a reference electrode solution bottle 5 accommodating the reference electrode solution are placed, wherein the reagent vessel placement unit includes a suction nozzle 6 comprising an electrical conductor which is joined to the flow passage, and which can be inserted into and removed from each of the diluent bottle, the internal standard solution bottle, and the reference electrode solution bottle, and an insulator 304 which electrically insulates the suction nozzle and the housing.

Description

technical field [0001] The present invention relates to an electrolyte analysis device. Background technique [0002] Electrolyte analyzers are devices that measure the concentration of specific electrolytes contained in electrolyte solutions such as blood and urine in the human body, and use ion-selective electrodes for concentration measurement. As a common measurement method, the serum as an electrolyte solution or a sample solution diluted with a diluent is provided to an ion-selective electrode to measure and compare the inter-liquid potential of the electrode solution, and then (or prior to the measurement) to the ion-selective electrode. The electrode provides a standard solution, and the inter-liquid potential of the electrode solution is also measured and compared, and the electrolyte concentration of the sample solution is calculated according to the two inter-liquid potential levels. [0003] In this way, reagents such as diluents, standard solutions, and compara...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N35/08G01N35/10G01N27/416G01N1/00
CPCG01N35/10G01N1/38G01N2035/1032G01N33/4905G01N27/333G01N27/301G01N27/416G01N35/1002G01N35/1011G01N2035/1023G01N27/4166
Inventor 原正辉宫川拓士川原铁士
Owner HITACHI HIGH-TECH CORP