Component measurement device and component measurement device set
A technology for composition determination and color composition, which can be used in measurement devices, analytical materials, biological tests, etc., and can solve problems such as reduced measurement accuracy and deviation of measurement positions.
Pending Publication Date: 2019-11-19
TERUMO KK
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Problems solved by technology
However, when using a plurality of light sources with different peak wavelengths, there is a possibility that the measurement position in the measurement object may deviate depending on the light source.
Such a deviation in the measurement position may reduce the measurement accuracy of the component to be measured in the blood.
Method used
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Embodiment Construction
[0041] Below, refer to Figure 1 to Figure 19 , the embodiment of the component measuring device and the component measuring device group according to the present invention will be described. The same code|symbol is attached|subjected to the component common to each figure.
[0042] First, an embodiment of the component measuring device according to the present invention will be described. figure 1 It is a plan view showing the component measurement device set 100 in which the component measurement chip 2 is mounted on the component measurement device 1 in the present embodiment. figure 2 is to mean along figure 1 A sectional view of the I-I section, image 3 is to mean along figure 1 Cutaway view of the section II-II. figure 2 as well as image 3 It is an enlarged view showing the vicinity of the position where the component measurement chip 2 is mounted.
[0043] Such as Figure 1 ~ Figure 3 As shown, the component measurement device set 100 includes a component me...
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Provided are a component measurement device comprising a configuration in which measurement precision does not readily decrease even when a plurality of light sources are used, and a component measurement device set. The component measurement device according to the present disclosure measures a component to be measured in blood on the basis of optical characteristics of a mixture that includes acolored component produced by a color reaction between the component to be measured in the blood and a reagent, wherein: the component measurement device is provided with a first light source for emitting irradiation light of a first prescribed wavelength irradiated toward the mixture, and a second light source for emitting irradiation light of a second prescribed wavelength used in estimating anamount of non-colored-component noise included in an actual measurement value of light absorption of the mixture measured by the irradiation light from the first light source; and the first light source and the second light source are disposed, at the position of the mixture in a flow path of the blood, so as to be aligned along a flow path width direction orthogonal to a flow direction of the blood.
Description
technical field [0001] The present invention relates to a component measuring device and a component measuring device set. Background technique [0002] Conventionally, in the fields of biochemistry and medicine, as a method of measuring the components to be measured contained in blood (whole blood) as a sample, it is known to separate the blood into parts containing the components to be measured and parts not containing the components to be measured. The part of the component, and the method of determining the amount and concentration of the component to be measured. For example, in order to measure the glucose concentration (mg / dL, mmo / L) in plasma, there is a method of measuring the glucose concentration in plasma by performing a process of separating plasma components from blood using a filter or the like. [0003] However, since it is difficult to completely separate the plasma components in blood in a short time, and there are variations in the performance of the filt...
Claims
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IPC IPC(8): G01N21/77G01N21/78
CPCG01N2021/7783G01N2021/7763G01N21/78G01N21/3151G01N33/49A61B5/14532G01N2201/0627G01N33/66
Inventor 相川亮桂
Owner TERUMO KK