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Implement and device for analysis

An analysis tool and analysis device technology, applied in the direction of measuring devices, analysis materials, material analysis by electromagnetic means, etc., can solve the problems of inability to correctly measure the hematocrit value, inability to correctly measure the conductivity, troubles, etc.

Inactive Publication Date: 2004-09-22
ARKRAY INC
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Problems solved by technology

As a result, the conductivity cannot be accurately measured, and the hematocrit value cannot be accurately measured.
[0008] In the above method, since the hematocrit value is measured using the element 9 for measuring the hematocrit value, the element 9 for measuring the hematocrit value is formed in a separate form from the biosensor for measuring the blood sugar level. , so when measuring the blood sugar level, two analysis tools are needed, which increases the measurement cost
In addition, the measurement of the hematocrit value by the hematocrit value measurement element 9 and the measurement of the blood sugar level by the biosensor are carried out separately, and since the hematocrit value measurement element 9 and the biosensor need to be replaced, so very troublesome

Method used

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  • Implement and device for analysis
  • Implement and device for analysis
  • Implement and device for analysis

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Experimental program
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no. 1 approach

[0043] Such as figure 1 and figure 2 The shown biosensor 1 is used to measure the concentration of glucose in blood, and is installed in an analysis device 5 described later with reference to FIG. 4 . This biosensor 1 has a structure in which a cover member 40 is laminated on a substrate 20 through a spacer 30 , and the capillary 10 is formed by these elements 20 , 30 and 40 . The capillary 10 moves the blood introduced from the end opening 11 by capillary phenomenon, and holds the blood inside. The end opening 12 of the capillary 10 is used to discharge gas inside the capillary 10 when the blood travels inside the capillary 10 .

[0044] The spacer 30 is composed of a pair of blocks 31 and 32 arranged to face each other. These lumps 31, 32 function as electrodes for applying an AC voltage to the blood when measuring the resistance value of the blood. Each block 31, 32 is formed in a cross-sectional rectangular shape having upper surfaces 31a, 32a, lower surfaces 31b, 32...

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Abstract

The present invention relates to an analyzing implement ( 1 ) having a capillary for movement of a specimen liquid. The capillary has inner surfaces ( 21 c , 32 c) provided with a first and a second opposed electrodes opposed to each other. The implement ( 1 ) includes, for example, a substrate ( 20 ), a cover ( 40 ) and a spacer ( 30 ) between the substrate ( 20 ) and the cover ( 40 ). In this case, the capillary is provided by the substrate ( 20 ), the cover ( 40 ) and the spacer ( 30 ). Preferably, capillary forming surfaces ( 31 c , 32 c) of the spacer ( 30 ) are electrically conductive, in which case the surfaces ( 31 c , 32 c) provide the first and the second electrodes.

Description

technical field [0001] The present invention relates to a technique for measuring at least one of the concentration of a specific component in a sample liquid (for example, glucose in a body fluid such as blood) and a physical quantity related to the amount of a co-existing component in the sample liquid. Background technique [0002] Simple blood glucose measuring devices having a portable configuration have been put into practical use so that individuals can measure blood glucose levels at home or when going out. When the blood sugar level is measured using a simple blood sugar measuring device, it is necessary to supply blood to the biosensor while the biosensor providing an enzyme reaction site is attached to the simple blood sugar measuring device. [0003] It is known that blood contains solid components (blood cell components), and the measured value varies depending on the amount of blood cell components. Therefore, a method of correcting the calculated value based ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/06G01N33/487
CPCG01N27/3272
Inventor 野田宪正胜木幸治门孝太郎
Owner ARKRAY INC