Abstract: According to one embodiment, an automatic analyzing apparatus includes a feeder and a mixer unit. The feeder is configured to feed a first liquid and a second liquid. The mixer unit includes an inflow part, an internal space, and an outflow part. The mixer unit is configured so that the first liquid and the second liquid fed from the feeder enter through the inflow part, the first liquid and the second liquid entering through the inflow part flow inside the internal space, and the first liquid and the second liquid flowing inside the internal space exit through the outflow part according to an inflow entering through the inflow part.

Abstract: An automatic analyzing device according to an embodiment of the present disclosure includes a reagent cartridge and processing circuitry. The reagent cartridge includes a storing unit storing therein a reagent, a flow path for dispensing the reagent from the storing unit, and a dispensing mechanism configured to dispense the reagent into a reaction cuvette through the flow path. The processing circuitry is configured to control the dispensing mechanism so as to dispose of the reagent in the flow path.

Abstract: A reaction cuvette according to an embodiment is used for measurement performed by an automatic analyzing device, and is a reaction cuvette that houses a mixed liquid of a reagent and a sample to be measured. The reaction cuvette includes a cuvette main body and an aspiration port. The aspiration port is disposed on the cuvette main body, and allows a fluid to flow into an inner part of the cuvette main body from a bottom surface side of the cuvette main body.

Abstract: An automatic analyzer disclosed herein includes a first calibration curve generator configured to generate a first calibration curve indicating a relationship between a concentration and an absorbance based on a result of an optical measurement of a reaction solution obtained by adding a reagent to a reference sample including a known concentration of an object to be detected; and a corrected calibration curve generator configured to generate, after the first calibration curve is generated, a corrected calibration curve based on a result of an optical measurement of a mixed reaction solution obtained by mixing the reagent and the reference sample or water, or an optical measurement of the reagent, and data relating to the first calibration curve.