Biological information measurement device

Abstract

To provide a technology capable of measuring biological information with high accuracy by bringing a sensor into stable contact with a skin even when cuffs expand.SOLUTION: A biological information measurement device includes blood pressure measurement means including cuffs for measuring blood pressure of a human body, biological information measurement means for measuring biological information different from the blood pressure, a belt part fixed by being wound around the outer periphery of an arm part of the human body to arrange the cuffs provided on an inner peripheral side around the outer periphery of the arm part, a body including a bottom part located on a side in contact with the arm part in a fitting state, and a sensor provided at the bottom part to come into contact with the arm part for measuring the biological information. The plurality of cuffs are provided in an extension direction of the belt part, and the sensor is arranged at a change suppression position which is a position of the bottom part on an extension line of a synthetic vector obtained by synthesizing vectors acting toward the most expansion parts of the cuffs through the center part of the arm part and can suppress a change in a contact state of the sensor to the arm part due to the expansions of the cuffs.SELECTED DRAWING: Figure 4

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