Test element analysis system
First Claim
1. Test element analysis system for the analytical investigation of an analyte present in a body liquid of humans or animals, comprisingat least one test element with a test zone, which is contacted with a sample to be analyzed in order to measure a measurement quantity which is characteristic for the analysis, and an evaluation instrument with a test element holder for positioning at least one test element in a measuring position in order to perform a measurement, an analyte measurement and evaluation electronics for measuring the characteristic change and for determining, based on this measurement, a result of the analysis, and an infrared detector adapted for the determination of the temperature in the test zone, characterized in that the evaluation instrument comprises an infrared radiation transport device for providing a location-selective connection of the test zone with the infrared detector.
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Accused Products
Abstract
Test element analysis system (1) for the analytical investigation of a sample (8), in particular of a body liquid, of human beings or of animals, comprising test elements (3) with a test zone (7), to be brought in contact with the sample to be investigated for the purpose of performing an analysis, in order to measure a measurement quantity characteristic for the analysis, and an evaluation instrument (2) with a test element holder (5) for positioning a test element (3) in a measuring position in order to perform a measurement, and a measurement and evaluation electronics (15) for measuring the characteristic change and for determining a result of the analysis, based on the result of the measurement.
In order to provide increased measuring accuracy by improved temperature compensation, it is proposed, in the scope of the invention, that the evaluation instrument (2) for the determination of the temperature prevailing in the test zone (7) of the test element (3) comprises an infrared detector (20).
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Citations
30 Claims
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1. Test element analysis system for the analytical investigation of an analyte present in a body liquid of humans or animals, comprising
at least one test element with a test zone, which is contacted with a sample to be analyzed in order to measure a measurement quantity which is characteristic for the analysis, and an evaluation instrument with a test element holder for positioning at least one test element in a measuring position in order to perform a measurement, an analyte measurement and evaluation electronics for measuring the characteristic change and for determining, based on this measurement, a result of the analysis, and an infrared detector adapted for the determination of the temperature in the test zone, characterized in that the evaluation instrument comprises an infrared radiation transport device for providing a location-selective connection of the test zone with the infrared detector.
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13. Test element analysis system for an analytical investigation of a sample, the system comprising
a test element with a test zone, which is contacted with the sample to be analyzed in order to measure a measurement quantity characteristic for the analysis, and an evaluation instrument including a test element holder formed to position the test element in a measuring position to perform a measurement, an infrared detector to determine a temperature of the test zone, and a measurement and evaluation electronics formed to measure a characteristic change and to determine, based on this measurement, a result of the analysis, wherein the evaluation instrument comprises an infrared radiation transport device formed to provide a location-selective connection of the test zone with the infrared detector, and wherein the infrared radiation transport device comprises a hollow conductor with an interior wall reflective for infrared radiation.
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25. Test element analysis system for an analytical investigation of a sample, the system comprising
a test element with a test zone, which is contacted with the sample to be analyzed in order to measure a measurement quantity characteristic for the analysis, and an evaluation instrument including a test element holder formed to position the test element in a measuring position to perform a measurement, an infrared detector to determine a temperature of the test zone, and a measurement and evaluation electronics formed to measure a characteristic change and to determine, based on this measurement, a result of the analysis, wherein the test element, in the measuring position, sticks out of the evaluation instrument in such a manner that the sample can be contacted to the test zone, while the test element is in the measuring position, a housing of the evaluation instrument comprises a window that is transparent for infrared radiation, and the window is closed by pane transparent to infrared radiation, wherein a transport path of infrared radiation between the test zone and the infrared detector passes through the window.
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26. Test element analysis system for the analytical investigation of a body liquid of humans or animals, comprising
at least one test element which contains at least one reagent, the reaction of which with the sample liquid leads to a detectable change of a measurement quantity which is characteristic of the analysis, the test element comprising a test zone, which is contacted with the sample to be analyzed in order to measure a measurement quantity which is characteristic for the analysis, and an evaluation instrument with a test element holder for positioning at least one test element in a measuring position in order to perform a measurement, a measurement and evaluation electronics for measuring the characteristic change and for determining, based on this measurement, a result of the analysis, and an infrared detector adapted for the determination of the temperature in the test zone, characterized in that the evaluation instrument comprises an infrared radiation transport device for providing a location-selective connection of the test zone with the infrared detector.
Specification