The present disclosure relates to technology for estimating bio-information by using a foldable electronic device. The foldable electronic device includes a main body part, having a first main body and a second main body, configured to fold along a folding line; a first sensor provided on the first main body, and configured to obtain a contact image of an object of a user; a second sensor provided on the first main body, and configured to measure a degree of folding of the main body part; and a processor configured to estimate bio-information of the user, based on the contact image of the object and the degree of folding.

An apparatus for estimating bio-information is provided. According to an example embodiment, the apparatus for estimating bio-information includes: a pulse wave sensor including channels, and configured to measure pulse wave signals from an object at the channels; a force sensor configured to measure a contact force applied by the object to the pulse wave sensor; and a processor configured to determine correlations between the pulse wave signals of the channels, and to estimate bio-information based on the measured pulse wave signals and the measured contact force based on the correlations satisfying a condition.

A blood pressure monitor of the present invention includes a cuff to be wrapped around a measurement site. The blood pressure monitor includes a unit including, as elements for blood pressure measurement, a pump, a valve, a pressure sensor, and an inner pipe connecting the pump, valve, and pressure sensor such that fluid can pass therethrough. The blood pressure monitor includes a connecting pipe connecting the cuff and the inner pipe in the unit such that fluid can pass therethrough. The blood pressure monitor includes a self failure diagnosis unit configured to determine whether or not there is a failure in a fluid system including the pump, the valve, the pressure sensor, the inner pipe, the connecting pipe, and the cuff, in a state in which the cuff is empty-wrapped into a cylindrical shape and the capacity of the cuff is restricted.

A blood pressure monitor of the present invention includes a cuff to be wrapped around a measurement site. The blood pressure monitor includes a unit including, as elements for blood pressure measurement, a pump, a valve, a pressure sensor, and an inner pipe connecting the pump, valve, and pressure sensor such that fluid can pass therethrough. The blood pressure monitor includes a connecting pipe connecting the cuff and the inner pipe in the unit such that fluid can pass therethrough. The blood pressure monitor includes a self failure diagnosis unit configured to determine whether or not there is a failure in a fluid system including the pump, the valve, the pressure sensor, the inner pipe, the connecting pipe, and the cuff, in a state in which the cuff is empty-wrapped into a cylindrical shape and the capacity of the cuff is restricted.

A blood pressure measuring cuff of the present invention includes: an outer cloth that extends in a longitudinal direction in a band shape and surrounds a site to be measured; a pressing fluid bag that is provided to extend along the longitudinal direction on a side of the outer cloth facing the site to be measured and compresses the site to be measured; a sound acquisition fluid bag that is provided between the outer cloth and the pressing fluid bag in a thickness direction perpendicular to the outer cloth and acquires a sound from the site to be measured via the pressing fluid bag; a first fluid pipe connected to the pressing fluid bag so as to be capable of flowing a fluid; and a second fluid pipe connected to the sound acquisition fluid bag so as to be capable of flowing a fluid, separately from the first fluid pipe.

A blood pressure measuring cuff of the present invention includes: an outer cloth that extends in a longitudinal direction in a band shape and surrounds a site to be measured; a pressing fluid bag that is provided to extend along the longitudinal direction on a side of the outer cloth facing the site to be measured and compresses the site to be measured; a sound acquisition fluid bag that is provided between the outer cloth and the pressing fluid bag in a thickness direction perpendicular to the outer cloth and acquires a sound from the site to be measured via the pressing fluid bag; a first fluid pipe connected to the pressing fluid bag so as to be capable of flowing a fluid; and a second fluid pipe connected to the sound acquisition fluid bag so as to be capable of flowing a fluid, separately from the first fluid pipe.

A sphygmomanometer according to the present invention includes a blood pressure measuring cuff worn around a site to be measured, a pressure device that pressurizes or depressurizes the cuff, and a sound detection device that detects a sound generated by the site to be measured via the cuff. An amplification factor setting unit measures a first passage time required for the pressure of the cuff to pass through a first pressure range in a pressurization process of the cuff, and variably sets an amplification factor for a Korotkoff sound component according to the first passage time. A blood pressure calculation unit receives an output of the sound detection device according to the sound from the cuff, amplifies the Korotkoff sound component included in the output at a set amplification factor, and calculates a blood pressure of the site to be measured.

A sphygmomanometer according to the present invention includes a blood pressure measuring cuff worn around a site to be measured, a pressure device that pressurizes or depressurizes the cuff, and a sound detection device that detects a sound generated by the site to be measured via the cuff. An amplification factor setting unit measures a first passage time required for the pressure of the cuff to pass through a first pressure range in a pressurization process of the cuff, and variably sets an amplification factor for a Korotkoff sound component according to the first passage time. A blood pressure calculation unit receives an output of the sound detection device according to the sound from the cuff, amplifies the Korotkoff sound component included in the output at a set amplification factor, and calculates a blood pressure of the site to be measured.

A diagnosis assistance apparatus, a diagnosis assistance method, a diagnosis assistance program, and a bodily information measurement apparatus, assist diagnosis by outputting information that is useful for the diagnosis. A bodily information measurement apparatus includes a data acquisition unit that acquires data for analysis in which bodily information measured from a measurement subject and position information of the measurement subject at the time of measuring the bodily information are associated; an index generation unit that, based on bodily information associated with position information that is included in the data and belongs to multiple pieces of pre-registered location information, generates numerical value indices for determining a bodily state of the measurement subject with respect to the respective pieces of location information; and an output unit that performs output based on the numerical value indices generated for the multiple pieces of location information.

A diagnosis assistance apparatus, a diagnosis assistance method, a diagnosis assistance program, and a bodily information measurement apparatus, assist diagnosis by outputting information that is useful for the diagnosis. A bodily information measurement apparatus includes a data acquisition unit that acquires data for analysis in which bodily information measured from a measurement subject and position information of the measurement subject at the time of measuring the bodily information are associated; an index generation unit that, based on bodily information associated with position information that is included in the data and belongs to multiple pieces of pre-registered location information, generates numerical value indices for determining a bodily state of the measurement subject with respect to the respective pieces of location information; and an output unit that performs output based on the numerical value indices generated for the multiple pieces of location information.