Abstract: A biological signal processor includes a sensor unit 2 that is usable with a mattress, measures biological displacement of a subject on the mattress, and outputs a measurement signal indicative of a measurement result, a signal processing unit 7 that amplifies the measurement signal with a plurality of different gains and outputs respective output signals, an AD converting unit 8 that performs AD conversion on the respective output signals to obtain level values and outputs the respective level values, and a determining unit 90 that determines that the sensor unit 2 is in an abnormal condition in case where a variation measure indicative of variation degree in level value corresponding to an output signal amplified with a minimum gain among the respective level values is equal to or less than a predetermined value.

Abstract: A weighing apparatus for weighing a mass of an object is provided with: a body; a load receiving device, a load detection device, an acting force detection device, and a data processing device configured to data-process an output of the load detection device as a weighed value in a mass unit.

Abstract: A biosensor calibration method configured to measure a concentration of a specific substance contained in sample liquid to be measured, including: a first step configured to acquire a first output value that is output by the biosensor when first calibration liquid is brought into contact with the biosensor; a second step configured to acquire a second output value that is output by the biosensor when second calibration liquid having a different concentration from that of the first calibration liquid is continuously brought into contact with the biosensor after the first step and determine time for replacement of the biosensor on the basis of the first output value and the second output value.

Abstract: Aimed at readily and exactly separate 8-hydroxy-2?-deoxyguanosine (8-OHdG) contained in a sample, a column packing material used for separating 8-OHdG, which contains a packing material composed of a material having a straight-chain hydrocarbon group having 6 or more and 30 or less carbon atoms as a functional group, and having a carbon content over the surface of carrier of 18% or less by element ratio, wherein the packing material contains 1 cumulative percent or more and 20 cumulative percent or less, on the particle-count basis, of particles having a circle-equivalent diameter, measured using a flow-type particle image analyzer, of 0.5 ?m or larger and 10 ?m or smaller, is used.

Abstract: An apparatus for assessing muscle quality includes a first acquisition unit that acquires bioelectric information including at least one of (i) a resistance component and a reactance component of bioelectrical impedance and (ii) first impedance measured by supplying alternating current at a predetermined low frequency to a living organism and second impedance measured by supplying alternating current at a predetermined high frequency to the living organism; a second acquisition unit that acquires a physical parameter related to physique of the living organism; and a calculation unit that calculates an index in accordance with a proportion, in muscle tissue, of muscle fiber to interstitial tissue based on the physical parameter and on at least one of a first parameter represented as a ratio between the resistance component and the reactance component and a second parameter represented as a ratio between the first impedance and the second impedance.

Abstract: An apparatus 10 for predicting change in a physical index includes an acquisition unit 13, a setting unit 12, and a calculation unit 18. The acquisition unit 13 acquires the ketone body concentration excreted by a subject. The setting unit 12 sets a set time at a present time or a later time. The calculation unit 18 calculates a predicted value of change in the physical index based on the ketone body concentration and on the set time. The predicted value of change in the physical index is the change in body weight of the subject or in the weight of body fat when the designated time elapses.

Abstract: The invention provides a biochemical measuring device including: a measuring unit configured to measure a base current and a peak current; a time counting unit configured to count an elapsed time from the contact of a sensor electrode to a reference solution until the start of measurement of the base current; and a control unit, wherein the control unit acquires a concentration of a specific substance using the base current value when the elapsed time is equal to or longer than a stationarizing time, and when it is shorter than the stationarizing time, acquires the concentration of the specific substance using the stationary base current value measured by the measuring unit when the elapsed time is shorter than the stationarizing time instead of the current value of the base current.

Abstract: A body composition measuring apparatus for calculating one or multiple types of body composition data is provided with a CPU configured to perform the following processes. The CPU sets second information indicating physical characteristics of a human subject. The CPU measures the bioelectrical impedance of the human subject by a voltage measurement circuit. The CPU obtains at least one piece of first information from each of at least one recording medium having recorded thereon the at least one piece of the first information necessary for calculating body composition data indicating a particular type of body composition, and calculates body composition data indicating a type of body composition corresponding to each of the at least one piece of the first information based on the at least one piece of the first information obtained by the information obtainer, the second information, and the bioelectrical impedance.

Abstract: A scale includes a load detection unit detecting a load to a placing unit, a storage unit storing a zero point in advance, a calculation/control unit calculating a load calculation value using a load signal corresponding to the load to the placing unit, based on an output of the load detection unit, and a display unit displaying the load calculation value. When a load is applied to the placing unit, the calculation/control unit calculates a loading state load calculation value based on the load signal in a loading state and the zero point of the storage unit. Subsequently, when the load is removed from the placing unit in a non-loading state, the calculation/control unit calculates a non-loading state load calculation value based on load signals in the loading and non-loading states, and displays the non-loading state load calculation value on the display unit.

Abstract: A flexure element used for weight measurement includes a load-applied part to which load is applied, a supported part supported by a supporter, and a flexure part connected to the load-applied part and the supported part, strain gauges being attached to the flexure part. The load-applied part, the supported part, and the flexure part include surfaces that lie on the same plane. The thickness of the flexure part is less than the thickness of the load-applied part and the thickness of the supported part. The flexure part has a recess at a side opposite to the plane, the recess being located between the load-applied part and the supported part.

Abstract: A biopotential measurement device (10) includes a measurement unit (14) and a display unit (16). The measurement unit (14) includes electrodes on a measurement surface. The electrodes detect the electric potential, at detection positions, of a living organism facing the measurement surface. The detection positions are determined within the measurement area. The display unit (16) is positionable on a surface opposite the measurement surface. The display unit (16) displays the electric potential detected at each detection position at positions within a display area. The positions within the display area correspond to the detection positions within the measurement area.

Abstract: To provide a motor function evaluation device and a motor function evaluation method capable of evaluating a motor function of a subject comprehensively and easily. A motor function evaluation device 1 of the present invention includes a measurement base 11, a load measurement unit 14 that measures load change over time of the subject applied to the measurement base 11, and an arithmetic unit 24 that determines a balance ability indicator of the subject determined by the load change over time measured by the load measurement unit 14. The arithmetic unit 24 determines the balance ability indicator from a time interval from when the subject stands up and the load applied to the load measurement unit 14 is maximized until when the load variation is stabilized.

Abstract: A biosensor is a bio sensor for measuring concentrations of first and second substrates in a sample, including a sensor unit including an insulating base plate, an electrode over the insulating base plate, and a reaction layer over the electrode; a timing unit for measuring time; and a calculating unit, in which the reaction layer contains a first enzyme for converting the first substrate into the second substrate, and a second enzyme acting on the second substrate or the converted substance obtainable by further converting the second substrate, and the calculating unit calculates concentrations of the first and the second substrates in the sample, on the basis of a first current value detected in the sensor unit at a first time and a second current value detected in the sensor unit at a second time.

Abstract: There is provided a body movement detecting apparatus having a body movement data acquiring unit configured to detect a body movement of a user and acquire body movement data relating to the body movement and a computing unit configured to calculate consumed energy on the basis of the body movement data, including: a time data acquiring unit configured to acquire time data when the body movement data is acquired; a data accumulating unit being capable of accumulating the body movement data in correspondence with the time data; and a detection condition changing unit being capable of changing a detection condition for detecting the body movement on the basis of the body movement data and the time data accumulated in the data accumulating unit.

Abstract: A cover sheet (1) used in a body measuring apparatus having electrodes for supplying current to a human body or for measuring a difference in electrical potential between two sites of the body. The cover sheet has electric conductive area portions (2) corresponding to the electrodes of the body measuring apparatus and having a electric conductivity in thickness direction, and insulation area portions (3) spacing adjacent electric conductive area portions (2) and having electrically insulating property at least along a plane direction. The cover sheet is used to prevent cross-infection and can be used safely without slip and prepared cheaply without affecting to impedance, with assuring completely insulation between adjacent electrodes. Conductivity is created with conductive solid (“dry type”) or conductive liquid (“wet type”). The cover sheet is fed automatically by a sheet dispenser.