Patent ID: 9151703
Filing Date: 2015-10-06
Classification: G01N

Abstract:
1. A sample analyzer comprising: a measurement section including a programmed controller having a memory, the measurement section configured to perform a first measurement on a sample and generate a measurement value according to the concentration of an analyte in the sample; an analysis section; an output section; and an instruction receiver for receiving an instruction to perform the first measurement of the sample, wherein, when the instruction receiver receives an instruction to perform a diluting measurement on at least one of a plurality of calibration samples that contains a known concentration of the analyte, the controller is programmed to: instruct the measurement section to carry out operations to dilute the at least one calibration sample by mixing a diluting fluid and the at least one calibration sample by a predetermined ratio and perform the diluting measurement on the at least one diluted calibration sample, instruct the analysis section to prepare a calibration curve based on respective known concentrations of the plurality of calibration samples having mutually different concentrations and measurement values of each of the plurality of calibration samples measured by the measurement section, the memory storing the prepared calibration curve, instruct the analysis section to determine the concentration of the analyte in the at least one diluted calibration sample by applying the diluting measurement value obtained from the at least one diluted calibration sample to the calibration curve, instruct the output section to output information generated based on the determined concentration and the known concentration of the analyte in the at least one diluted calibration sample, instruct the analysis section to calculate a concentration ratio of the determined concentration and the known concentration of the analyte in the at least one diluted calibration sample, instruct the measurement section to dilute the sample at a ratio that is the same as or different from the calculated concentration ratio and perform the first measurement of the sample, and when the sample is diluted at the same ratio or at a different ratio as the diluted calibration sample, the controller is programmed to instruct the analysis section to apply the first measurement value of the sample to the calibration curve to convert the first measurement value to a first concentration and multiply the first concentration by the calculated concentration ratio as a correction coefficient.