Blood testing unit and blood testing method and apparatus
First Claim
1. A blood testing method, in which a blood test is performed by use of a blood testing unit comprising:
- i) a closed vessel provided with a blood introducing section, which is formed at a certain area of the closed vessel and through which a blood sample is capable of being introduced into the closed vessel, ii) a blood constituent separating section, which is located within the closed vessel and separates blood plasma and/or blood serum from the blood sample having been introduced through the blood introducing section into the closed vessel, and iii) a reagent layer, which is located within the closed vessel, such that the reagent layer is capable of being seen from the exterior, the reagent layer comprising a region for spreading the blood plasma and/or the blood serum, which has been separated by the blood constituent separating section from the blood sample, and a reagent, which is supported on or in the region for spreading the blood plasma and/or the blood serum, the reagent being capable of undergoing a reaction with the blood plasma and/or the blood serum and forming a color as a result of the reaction, the method comprising the steps of;
i) irradiating measuring light to a reagent area of the reagent layer, which reagent area has formed the color as a result of the reaction with the blood plasma and/or the blood serum, ii) detecting an intensity of the light having been reflected from the reagent area, and iii) detecting an optical density of the reagent area in accordance with the thus detected intensity of the light having been reflected from the reagent area.
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Accused Products
Abstract
A blood testing unit comprises a closed vessel having a blood introducing section formed at a certain area of the closed vessel. A blood constituent separating section is located within the closed vessel to separate plasma and/or serum from the blood sample introduced through the blood introducing section into the closed vessel. A reagent layer is located within the closed vessel, such that the reagent layer can be seen from the exterior. The reagent layer comprises a region for spreading the plasma and/or the serum, which has been separated by the blood constituent separating section from the blood sample, and a reagent supported on or in the spreading region, the reagent undergoing a reaction with the plasma and/or the serum and forming a color as a result of the reaction.
130 Citations
30 Claims
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1. A blood testing method, in which a blood test is performed by use of a blood testing unit comprising:
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i) a closed vessel provided with a blood introducing section, which is formed at a certain area of the closed vessel and through which a blood sample is capable of being introduced into the closed vessel, ii) a blood constituent separating section, which is located within the closed vessel and separates blood plasma and/or blood serum from the blood sample having been introduced through the blood introducing section into the closed vessel, and iii) a reagent layer, which is located within the closed vessel, such that the reagent layer is capable of being seen from the exterior, the reagent layer comprising a region for spreading the blood plasma and/or the blood serum, which has been separated by the blood constituent separating section from the blood sample, and a reagent, which is supported on or in the region for spreading the blood plasma and/or the blood serum, the reagent being capable of undergoing a reaction with the blood plasma and/or the blood serum and forming a color as a result of the reaction, the method comprising the steps of;
i) irradiating measuring light to a reagent area of the reagent layer, which reagent area has formed the color as a result of the reaction with the blood plasma and/or the blood serum, ii) detecting an intensity of the light having been reflected from the reagent area, and iii) detecting an optical density of the reagent area in accordance with the thus detected intensity of the light having been reflected from the reagent area. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A blood testing method, in which a blood test is performed by use of a blood testing unit comprising:
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i) a closed vessel provided with a blood introducing section, which is formed at a certain area of the closed vessel and through which a blood sample is capable of being introduced into the closed vessel, ii) a blood constituent separating section, which is located within the closed vessel and separates blood plasma and/or blood serum from the blood sample having been introduced through the blood introducing section into the closed vessel, and iii) a reagent layer, which is located within the closed vessel, such that the reagent layer is capable of being seen from the exterior, the reagent layer comprising a region for spreading the blood plasma and/or the blood serum, which has been separated by the blood constituent separating section from the blood sample, and a reagent, which is supported on or in the region for spreading the blood plasma and/or the blood serum, the reagent being capable of undergoing a reaction with the blood plasma and/or the blood serum and forming a color as a result of the reaction, wherein a plurality of different kinds of reagents are supported at different positions on the reagent layer, the method comprising the steps of;
i) irradiating measuring light to each of reagent areas of the reagent layer, each of which reagent areas has formed the color as a result of the reaction with the blood plasma and/or the blood serum, the measuring light having a wavelength adapted to the reagent contained in each of the reagent areas, ii) detecting an intensity of the light having been reflected from each of the reagent areas, the detection of the intensity of the reflected light being performed with respect to each of the reagent areas, and iii) detecting an optical density of each of the reagent areas in accordance with the thus detected intensity of the light having been reflected from each of the reagent areas. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A blood testing apparatus, in which a blood test is performed by use of a blood testing unit comprising:
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i) a closed vessel provided with a blood introducing section, which is formed at a certain area of the closed vessel and through which a blood sample is capable of being introduced into the closed vessel, ii) a blood constituent separating section, which is located within the closed vessel and separates blood plasma and/or blood serum from the blood sample having been introduced through the blood introducing section into the closed vessel, and iii) a reagent layer, which is located within the closed vessel, such that the reagent layer is capable of being seen from the exterior, the reagent layer comprising a region for spreading the blood plasma and/or the blood serum, which has been separated by the blood constituent separating section from the blood sample, and a reagent, which is supported on or in the region for spreading the blood plasma and/or the blood serum, the reagent being capable of undergoing a reaction with the blood plasma and/or the blood serum and forming a color as a result of the reaction, the apparatus comprising;
i) means for irradiating measuring light to a reagent area of the reagent layer, which reagent area has formed the color as a result of the reaction with the blood plasma and/or the blood serum, ii) means for detecting an intensity of the light having been reflected from the reagent area, and iii) means for detecting an optical density of the reagent area in accordance with the thus detected intensity of the light having been reflected from the reagent area. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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23. A blood testing apparatus, in which a blood test is performed by use of a blood testing unit comprising:
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i) a closed vessel provided with a blood introducing section, which is formed at a certain area of the closed vessel and through which a blood sample is capable of being introduced into the closed vessel, ii) a blood constituent separating section, which is located within the closed vessel and separates blood plasma and/or blood serum from the blood sample having been introduced through the blood introducing section into the closed vessel, and iii) a reagent layer, which is located within the closed vessel, such that the reagent layer is capable of being seen from the exterior, the reagent layer comprising a region for spreading the blood plasma and/or the blood serum, which has been separated by the blood constituent separating section from the blood sample, and a reagent, which is supported on or in the region for spreading the blood plasma and/or the blood serum, the reagent being capable of undergoing a reaction with the blood plasma and/or the blood serum and forming a color as a result of the reaction, wherein a plurality of different kinds of reagents are supported at different positions on the reagent layer, the apparatus comprising;
i) means for irradiating measuring light to each of reagent areas of the reagent layer, each of which reagent areas has formed the color as a result of the reaction with the blood plasma and/or the blood serum, the measuring light having a wavelength adapted to the reagent contained in each of the reagent areas, ii) means for detecting an intensity of the light having been reflected from each of the reagent areas, the detection of the intensity of the reflected light being performed with respect to each of the reagent areas, and iii) means for detecting an optical density of each of the reagent areas in accordance with the thus detected intensity of the light having been reflected from each of the reagent areas. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30)
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Specification