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Test strip and component measurement system
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A technology for component determination and test strips, applied in biological testing, analytical materials, measurement devices, etc., can solve problems such as the limit of blood glucose measurement accuracy and the offset of the reading area.
Pending Publication Date: 2021-06-18
TERUMO KK
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[0003] Even if such a component measurement system collects the light from the light source through the opening of the component measurement device, it will deviate from the reading area of the sample, so there is a limit to improving the measurement accuracy of the blood sugar level.
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Embodiment 1
[0155] Example 1 is set to L1=0.5mm, L2=0.5mm, L1:L2=1:1, L2 / W=0.45. In Example 1, V=1.30 mm / s, and the expandability was good, so the evaluation was A. In Example 2, L1=0.5mm, L2=1.1mm, L1:L2=1:2.2, and L2 / W=1 were set. In Example 2, V=1.30 mm / s, and the expandability was good, so the evaluation was A. Example 3 is set to L1=0.5mm, L2=1.5mm, L1:L2=1:3, L2 / W=1.36. In Example 3, V=1.21 mm / s, and the expandability was good, so the evaluation was B.
Embodiment 4
[0156] In Example 4, L1=1 mm, L2=0.5 mm, L1:L2=1:0.5, and L2 / W=0.45 were set. In Example 4, V=1.23 mm / s, and the expandability was good, so the evaluation was B. In Example 5, L1=1 mm, L2=1.1 mm, L1:L2=1:1.1, and L2 / W=1 were set. In Example 5, V=1.43 mm / s, and the expandability was good, so the evaluation was A. In Example 6, L1=1 mm, L2=1.5 mm, L1:L2=1:1.5, and L2 / W=1.36 were set. In Example 6, V=1.53 mm / s, and the expandability was good, so the evaluation was A. In Example 7, L1=1mm, L2=2mm, L1:L2=1:2, and L2 / W=1.82 were set. In Example 7, V=1.27 mm / s, and the expandability was good, so the evaluation was B.
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Abstract
A component measurement system (10) comprises a test strip (12) having a body (20) for holding a sample and a component measurement device (14) that the test strip (12) is inserted into and optically measures a component included in the sample. The component measurement device (14) emits measurement light that travels in the thickness direction of the body (20). The body (20) comprises a blocking part (32) for blocking the measurement light, and the blocking part (32) has a measurement opening part (34) that forms a measurement spot (44) of measurement light on a reaction product produced by the reaction of the sample with a reagent.
Description
technical field [0001] The present disclosure relates to a test strip for measuring an analyte in a sample, and a component measurement system for mounting the test strip and optically measuring the analyte. Background technique [0002] Japanese Patent Laid-Open No. 2004-317487 discloses a colorimetric blood glucose monitoringsystem (component measurement system) that outputs light from an LED to a sample (blood) and The detector receives the light transmitted through the sample to measure the component amount of glucose in the sample. The light from the LED is condensed through the collimation opening in the component measuring device, and irradiated to the reading area (measurement point) of the sample. [0003] Even if such a component measurement system collects the light from the light source through the opening of the component measurement device, it will deviate from the reading area of the sample, so there is a limit in improving the measurement accuracy of the ...
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