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Measurement instrument and concentration measurement apparatus

A technology for concentration determination and tools, which is applied in the direction of measuring devices, material analysis through electromagnetic means, instruments, etc., and can solve problems such as insufficient indicators

Inactive Publication Date: 2005-05-25
ARKRAY INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] For this reason, for example, in countries where the use of hexokinase as an enzyme is set as an item of measurement standards, the blood sugar level obtained when glucose oxidase is used as an enzyme is not sufficient as an index for judging whether or not diabetes is present in that country.
In addition, in a blood sugar level measurement device that performs concentration calculation based on a biosensor using hexokinase as an enzyme, accurate blood sugar level measurement cannot be performed even if a biosensor using glucose oxidase as an enzyme is used.

Method used

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  • Measurement instrument and concentration measurement apparatus
  • Measurement instrument and concentration measurement apparatus
  • Measurement instrument and concentration measurement apparatus

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Embodiment Construction

[0070] Hereinafter, the best mode for carrying out the present invention will be specifically described with reference to the drawings.

[0071] 1 to 9 are diagrams for explaining the first embodiment of the present invention.

[0072] As shown in FIG. 1 , a concentration measuring device 1 is equipped with a biosensor 2 to measure the concentration of a specific component in a sample liquid. The concentration measuring device 1 is roughly configured to include: first to sixth terminals 10a to 10f, a switching unit 11, a voltage applying unit 12, a current value measuring unit 13, a storage unit 14, a detecting unit 15, a standard curve selecting unit 16, Judgment unit 17 , control unit 18 and calculation unit 19 .

[0073] The biosensor 2 , as best shown in FIGS. 2 and 3 , has a cover 20 , a separator 21 and a base plate 22 , thus forming a flow path 24 .

[0074] The inside of the flow path 24 communicates with the outside through the hole 20 a provided in the cover 20 and...

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Abstract

The present invention relates to a measuring tool (2) which is installed and used in a concentration measurement device (1) for performing concentration calculation based on concentration calculation information, and which can output the concentration calculation information to the concentration measurement device (1). The measuring tool (2) has an attribute information output unit (28) capable of outputting attribute information related to the attribute of the measuring tool (2) in the form of an electrical physical quantity. The attribute information is given based on at least one condition among the resistance value of the attribute information output part (28), the formation location of the attribute information output part (28), and the size of the formation area of ​​the attribute information output part (28). The attribute information is, for example, information for selecting a calibration curve suitable for the measurement tool (2). The attribute information may be information on specific measurement standards applied to the measurement tool (2).

Description

technical field [0001] The present invention relates to a measuring tool such as a biosensor, a method for manufacturing the measuring tool, installation of the measuring tool and measurement auxiliary tools, a sensor box for storing a plurality of measuring tools, and a method for calculating the concentration of a specific component in a sample liquid using the measuring tool Concentration measuring device. Background technique [0002] As a general method for measuring the concentration of a specific component in a body fluid (for example, glucose in blood), there is a method that utilizes an oxidation-reduction reaction. On the other hand, in order to measure blood sugar levels simply at home or on business trips, simple blood sugar level measuring devices of a size that can be held in the hand are widely used. In this simple blood glucose level measurement device, a biosensor providing an enzyme reaction field and as a disposable structure is installed, and then the bl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/447G01N33/487
CPCG01N33/48771G01N35/00693G01N35/00732G01N2035/00089
Inventor 坂田哲也笠井督夫小林大造
Owner ARKRAY INC
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