Omron Healthcare Company Ltd.

Omron Corporation

Naomi Matsumura

Reiji Fujita

Kenji Fujii

Yukiya Sawanoi

Yasuhiro Kawabata

Masayuki Fukutsuka

Kentaro Mori

Tsuyoshi Kitagawa

Shingo Yamashita

Toshihiko Ogura

Hiroyuki Kinoshita

Masayuki Wakamiya

Daizo Oka

Akito Ito

Naoki Matsumoto

Tadashi Koike

Takahide Tanaka

So Noguchi

Shuji Tsuruta

Kenji Eda

Hiroshi Kishimoto

Yosuke Fujii

Wataru Tsunoda

Shota Umeda

Yoshihide Tokko

Chisato Uesaka

Masaki Tomioka

Masahiro Kobayashi

Kenichi Yamakoshi

Yuuichiro Tamaki

Masamichi Nogawa

Hiroko Yoshino

A pulse transit time measuring apparatus according to one aspect includes a belt unit configured to be wrapped around a measurement site of a user, an electrocardiogram acquisition unit including electrodes provided at the belt unit and configured to acquire an electrocardiogram of the user by using the electrodes, a pulse wave signal acquisition unit including a pulse wave sensor provided at the belt unit, and configured to acquire a pulse wave signal representing a pulse wave of the user by using the pulse wave sensor, and a pulse transit time calculation unit configured to calculate a pulse transit time based on a time difference between a waveform characteristic point of the electrocardiogram and a waveform characteristic point of the pulse wave signal.

Pulse transit time measuring apparatus and blood pressure measuring apparatus

A biometric data measurement system and method, including a transmitting device including a measurement unit configured to measure a first biometric data, a setting unit configured to set a first reference time corresponding to an occurrence time of a first feature value of the first biometric data, and a transmission unit configured to transmit a signal at a time when a predetermined first time period has elapsed since the first reference time, and a receiving device including a measurement unit configured to measure a second biometric data, a setting unit configured to set a second reference time corresponding to an occurrence time of a second feature value of the second biometric data, and a reception unit configured to maintain an awaiting state for the signal during a third time period from a time when a second time period has elapsed since the second reference time.

Biometric data measurement system and biometric data measurement method

A belt and electrocardiographic measurement device, the belt including a belt body windable around an upper arm in a circumferential direction of the upper arm, and an electrode array including a plurality of electrodes fixed to an inner surface of the belt body and arranged side by side in a direction, which is a longitudinal direction of the belt body, the plurality of electrodes being more than N+2 in number, where N is a number of electrodes required for obtaining electrocardiographic information, the electrodes, counted from a first electrode located at a first end in the direction (X) by counting including the first electrode, to the (N+1)th electrode in the direction (X) being arranged at equal intervals that are predetermined intervals, and intervals between each of the (N+1)th and subsequent electrodes being greater than the predetermined interval.

Belt and electrocardiogrameasurement device

A pulse wave measurement device includes an electrode unit and a pulse wave measurement unit including pairs of current applying electrodes and voltage measuring electrodes. The electrode unit includes a substrate with insulating properties, measurement electrodes, connection electrodes electrically connected to the measurement electrodes in a 1-to-1 manner, and an adhesive layer. The pulse wave measurement unit includes a belt member configured to wrap around a living body and cover the electrode unit attached to a body surface. The pair of current applying electrodes and the pair of voltage measuring electrodes are disposed on an inner circumferential surface of the belt member so that, when the belt member is in a wrapped state around a living body, each one of the pair of current applying electrodes and each one of the pair of voltage measuring electrodes come into contact with any one of the connection electrode.

Electrode unit, pulse wave measurement unit, and pulse wave measurement device

A sphygmomanometer includes: a first fluid bag that is to be worn around a measurement site; first and second pulse wave sensors that are mounted on first fluid bag, and detect pulse waves of respective opposing areas of an artery running along measurement site; pressing parts that locally presses areas corresponding to first and second pulse wave sensors from an outer circumference side, opposite of an inner circumference side of first fluid bag where first and second pulse wave sensors are mounted. Blood pressure is calculated based on pulse transit time obtained from outputs from first and second pulse wave sensors, with first fluid bag in an unpressurized state and first and second pulse wave sensors being pressed by a pressing force of the pressing part. Blood pressure is calculated, for oscillometric blood pressure measurement, based on pressure within first fluid bag with first fluid bag in a pressurized state.

Sphygmomanometer, and method and device for blood pressure measurement

A pulse wave measurement device including: a belt to be worn around a measurement target site; first and second pulse wave sensors that are mounted on the belt spaced from each other with respect to a width direction of the belt, and that detect pulse waves of opposing portions of an artery passing through the measurement target site; a pressing unit that is mounted on the belt is capable of changing pressing forces of the pulse wave sensors against the measurement target site; a waveform comparing unit that acquires pulse wave signals which are time-sequentially output by the pulse wave sensors respectively, and compares waveforms of the pulse wave signals; and a pulse wave sensor pressing force setting unit that variably sets the pressing forces by the pressing unit such that the waveforms of the pulse wave signals compared by the waveform comparing unit become identical to each other.

Pulse wave measurement device, pulse wave measurement method, and blood pressure measurement device

A blood pressure estimation device includes a display unit (), a belt portion (), a first contact electrode () and a second contact electrode () for detecting an electrocardiographic waveform, and a pulse wave sensor. The display unit () displays a blood pressure estimation result. The belt portion () is connected to the display unit () and surrounds a target measurement site. The pulse wave sensor includes a pulse wave detection unit (E) that detects a pulse wave of an artery () passing through the target measurement site. The first contact electrode () and the pulse wave detection unit (E) are provided on an inner circumferential portion () of the belt portion (). The second contact electrode () is provided on an outer circumferential portion () of the belt portion (). The first contact electrode () and the pulse wave detection unit (E) are provided in a position where the first contact electrode () and the pulse wave detection unit (E) are to be pressed against the target measurement site when the second contact electrode () is pressed from an outer circumferential side of the belt portion ().

Blood pressure estimation device

A pulse wave measurement electrode unit () includes electrodes (to) including a pair of current applying electrodes and a first pair of voltage measuring electrodes; a support member () that supports the electrodes on a first main surface () that faces a body surface of a measurement subject in a case that the pulse wave measurement electrode unit is attached on the measurement subject; and a fluid bag () configured to expand and contract and configured to expand upon measurement to press the electrodes (to) against the body surface of the measurement subject. The support member () includes a length direction (L) corresponding to a circumferential direction of the device in an attached state to the measurement subject and a width direction (W) orthogonal to the length direction (L) and a thickness direction. The electrodes (to) are arranged side by side in the width direction (W). Low rigidity portions are provided between adjacent electrodes, the low rigidity portions having a lower rigidity than a rigidity of portions that overlap the electrodes in the thickness direction.

Pulse wave measurement electrode unit and pulse wave measurement device

A method for manufacturing a blood pressure information measurement apparatus includes the following steps: forming a hole in a flexible resin sheet; inserting a connecting pipe into the hole; overlaying a first end portion and a second end portion of the flexible resin sheet such that an inner side of the first end portion contacts an outer side of the second portion; welding a location at which the first end portion and the second end portion overlap to form a first welded portion, such that the flexible resin sheet forms a tube-shaped body having a first end and a second end; flattening the tube-shaped body; welding the first end and the second to form two second welded portions, such that the tube-shaped body forms a bladder having two long sides and two short sides; and welding portions of the resin sheet which overlap along a first long side to form one or more partial welded portions.

Blood pressure information measurement apparatus cuff and blood pressure information measurement apparatus

A blood pressure measurement device according to one aspect includes: a blood pressure measurement unit configured to measure blood pressure at a measurement target site of a measurement target subject; a pulse transit time measurement unit configured to measure a pulse transit time at the measurement target site of the measurement target subject; a blood pressure value calculation unit configured to calculate a blood pressure value, on the basis of measurement results of the pulse transit time and a relational expression representing a correlation between the pulse transit time and the blood pressure; a posture instruction unit configured to instruct the measurement target subject to assume a plurality of postures in which height positions of the measurement target site with respect to a heart of the measurement target subject are different from each other; and a calibration unit configured to calibrate the relational expression, on the basis of the blood pressure measured by the blood pressure measurement unit and the pulse transit time measured by the pulse transit time measurement unit, for each of the plurality of postures.

Blood pressure measurement device

The pulse wave detecting device includes a sensor section in which two element rows consisting of a plurality of pressure detecting elements arranged in a direction B are arranged in a direction A perpendicular to the direction B, and an air bag pressing the sensor section to a body surface in a state that the direction B intersects a direction in which an artery below the body surface of a living body. An arrangement interval between the two element rows in the direction A is 5 mm or more and 15 mm or less.

Pulse wave detection device, and vital information measurement device

A blood pressure measurement device is equipped with a pressing surface which is formed with pressure sensors, an air bag for pressing the pressing surface toward a radius artery that runs under a skin of a living body; an air bag drive unit for controlling the pressing force of the air bag, and a control unit for calculating blood pressure values in the radius artery on the basis of pressure pulse waves that were detected by all of the pressure sensors in a process that the pressing force was increased or decreased.

The embodiment provides a blood pressure measurement device equipped with a pressing surface having plural pressure sensors arranged in one direction, an air bag for pressing the pressing surface against a living body part in a state that the one direction crosses a direction in which the radius artery T runs, an air bag drive unit, a rotational drive unit for driving the pressing surface rotationally about at least one of axes X and Y, and a control unit which performs a rotation control on the basis of pressure pulse waves that were detected by the pressure sensors in a process that the pressing force was increased and calculates blood pressure values on the basis of pressure pulse waves that were detected by the pressure sensors after the rotation control in a process that the pressing force was decreased.

A blood pressure measurement device is equipped with a pressing surface which is formed with an element array of plural pressure sensors arranged in one direction and an element array of plural pressure sensors arranged in the one direction, an air bag for pressing the pressing surface against a living body, a control unit for calculating blood pressure values in a radius artery on the basis of pressure pulse waves that are detected by the pressure sensors in a state that the pressing surface is pressed against the living body by the air bag, and a rotational drive unit for performing driving to rotate the pressing surface about each of axes that are perpendicular to a pressing direction of the air bag.

The embodiment provides a blood pressure measurement device equipped with an air bag drive unit, a pressing surface formed with pressure sensors, and a control unit which calculates first blood pressure values on the basis of a first pressure pulse wave that was detected by the pressure sensors, generates calibration data using the first blood pressure values, and calculates second blood pressure values by calibrating, using the calibration data, a second pressure pulse wave that is detected by the pressure sensors in a state that the pressing force is set at an optimum pressing force. The control unit performs the processing of calculating second blood pressure values by calibrating the second pressure pulse wave if detection conditions of the second pressure pulse wave coincide with detection conditions of a pressure pulse wave used for generation of the calibration data.

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Kyoto, Japan

Naomi Matsumura