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公开(公告)号：US20210169347A1
公开(公告)日：2021-06-10
申请号：US17178850
申请日：2021-02-18
Applicant: OMRON HEALTHCARE Co., Ltd. , OMRON Corporation
Inventor： Akito ITO , Yasuhiro KAWABATA , Kenji FUJII , Naomi MATSUMURA , Reiji FUJITA
Abstract: A pulse transit time measurement device according to an aspect includes: a belt unit; a plurality of first electrodes and second electrodes provided on the belt unit; a third electrode provided on the belt unit; a first electrocardiographic signal acquisition unit that acquires a first electrocardiographic signal of a user using the plurality of first electrodes; a second electrocardiographic signal acquisition unit that acquires a second electrocardiographic signal of the user with the second electrode and the third electrode; a feature amount parameter calculation unit that calculates a feature amount parameter related to a waveform feature point of the first electrocardiographic signal on the basis of a waveform feature point of the second electrocardiographic signal; a pulse wave signal acquisition unit that acquires a pulse wave signal representing a pulse wave of the user; and a pulse transit time calculation unit that detects a waveform feature point.
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公开(公告)号：US20210127993A1
公开(公告)日：2021-05-06
申请号：US17143334
申请日：2021-01-07
Applicant: OMRON HEALTHCARE Co., Ltd. , OMRON Corporation
Inventor： Naomi MATSUMURA , Yasuhiro KAWABATA , Kenji FUJII , Reiji FUJITA , Akito ITO
Abstract: A pulse transit time measurement device includes a belt unit wound around a target measurement site of a user, an electrode group provided in the belt unit and including a four electrodes, a current source applying an alternating current between the first electrode and the second electrode, a potential difference signal detection unit detecting a potential difference signal between the third electrode and the fourth electrode, an electrocardiogram acquisition unit acquiring, based on the potential difference signal, an electrocardiogram corresponding to a waveform signal representative of an electrical activity of a heart of the user, a pulse wave signal acquisition unit acquiring, based on the potential difference signal, as a pulse wave signal, a waveform signal representative of an electrical impedance in the target measurement site of the user, and a pulse transit time calculation unit calculating a pulse transit time based on the electrocardiogram and the pulse wave signal.
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3.发明申请公开(公告)号：US20190313924A1
公开(公告)日：2019-10-17
申请号：US16454254
申请日：2019-06-27
Applicant: OMRON CORPORATION , OMRON HEALTHCARE CO., LTD.
Inventor： Naomi MATSUMURA , Kentaro MORI , Naoki MATSUMOTO , Yasuhiro KAWABATA , Kenji FUJII
IPC: A61B5/021 , A61B5/0225
Abstract: 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.
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公开(公告)号：US20210000353A1
公开(公告)日：2021-01-07
申请号：US17029323
申请日：2020-09-23
Applicant: OMRON HEALTHCARE Co., Ltd. , OMRON Corporation
Inventor： Kenji FUJII , Yasuhiro KAWABATA , Naomi MATSUMURA , Reiji FUJITA , Akito ITO
Abstract: 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.
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5.发明申请公开(公告)号：US20190307336A1
公开(公告)日：2019-10-10
申请号：US16448456
申请日：2019-06-21
Applicant: OMRON CORPORATION , OMRON HEALTHCARE CO., LTD.
Inventor： Kenji FUJII , Naoki MATSUMOTO , Kentaro MORI
Abstract: A pulse wave measurement device includes: a belt to be attached around a measurement site; first and second pulse wave sensors which are mounted on the belt in a state of being spaced apart from each other in a width direction of the belt and detect pulse waves at portions of an artery passing through the measurement site, the portions individually facing the first and second pulse wave sensors; and a pressing member capable of pressing the first and second pulse wave sensors against the measurement site while varying a pressing force. First and second pulse wave signals which the first and second pulse wave sensors output respectively in a time series are acquired, and a cross-correlation coefficient between waveforms of the first and second pulse wave signals is calculated.
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Patent Agency Ranking
公开(公告)号：US20210127994A1
公开(公告)日：2021-05-06
申请号：US17146966
申请日：2021-01-12
Applicant: OMRON HEALTHCARE Co., Ltd. , OMRON Corporation
Inventor： Yasuhiro KAWABATA , Kenji FUJII , Naomi MATSUMURA , Reiji FUJITA , Akito ITO
Abstract: 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.
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公开(公告)号：US20190307340A1
公开(公告)日：2019-10-10
申请号：US16448145
申请日：2019-06-21
Applicant: OMRON CORPORATION , OMRON HEALTHCARE CO., LTD.
Inventor： Kenji FUJII , Naoki MATSUMOTO , Yuki KATO
IPC: A61B5/022 , A61B5/02 , A61B5/00 , A61B5/0285
Abstract: A belt to be mounted around a measurement site; first pulse wave sensor and second pulse wave sensor mounted on the belt, separated from each other, configured to detect pulse waves in an artery passing through the measurement site; and pressing member mounted on the belt, capable of pressing first pulse wave sensor and second pulse wave sensor against the measurement site while varying pressing force. Time difference between first and second pulse wave signals is acquired as pulse transit time. Blood pressure is calculated based on the pulse transit time acquired by the measurement processing unit by using a predetermined correspondence equation between pulse transit time and blood pressure. Pulse transit time is acquired with the measurement processing unit while pressing force by pressing member is changed in resting state, and corresponding equation is calibrated based on plurality of pulse transit times corresponding to plurality of respective pressing forces.
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公开(公告)号：US20230021062A1
公开(公告)日：2023-01-19
申请号：US17934929
申请日：2022-09-23
Applicant: OMRON HEALTHCARE Co., Ltd.
Inventor： Yuki SAKAGUCHI , Yasuhiro KAWABATA , Kenji FUJII , Naomi MATSUMURA , Reiji FUJITA , Akito ITO , Nozomi KAWAI
Abstract: A belt used in an electrocardiographic measurement apparatus includes a belt body to be wrapped around a living body, three or more base electrodes disposed in a longitudinal direction of the belt body, and two or more cap electrodes detachable and attachable to the base electrodes and smaller in number than the number of base electrodes.
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公开(公告)号：US20180153421A1
公开(公告)日：2018-06-07
申请号：US15888386
申请日：2018-02-05
Applicant: OMRON HEALTHCARE CO., LTD.
Inventor： Kenji FUJII , Shigemi KAMEGAWA
CPC classification number: A61B5/02416 , A61B5/02422 , A61B5/04014 , A61B5/7282
Abstract: In the present invention, a pulse wave signal expressing a pulse is obtained by detecting a pulse of a measurement subject using a pulse wave sensor (S II). The pulse wave signal is stored in a storage unit. A frequency spectrum of the pulse wave signal is found by converting the time-domain pulse wave signal stored in the storage unit into the frequency domain (S 12). It is determined whether or not the measurement subject is at rest by finding a frequency range, within a predetermined total frequency range the pulse rate of a person can take on, in which an intensity of a frequency component of the frequency spectrum exceeds a first threshold, and finding whether or not a percentage of the total frequency range occupied by the frequency range is less than a second threshold (S13). A pulse rate from the point in time when the measurement subject has been determined to be at rest is found as the measurement subject's at-rest pulse rate (S14).
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10.发明申请PULSE MEASUREMENT DEVICE, PULSE MEASUREMENT METHOD, AND PULSE MEASUREMENT PROGRAM 有权脉冲测量装置，脉冲测量方法和脉冲测量程序公开(公告)号：US20150164350A1
公开(公告)日：2015-06-18
申请号：US14629010
申请日：2015-02-23
Applicant: OMRON HEALTHCARE CO., LTD.
Inventor： Kenji FUJII , Shigemi KAMEGAWA
CPC classification number: A61B5/02416 , A61B5/02422 , A61B5/04014 , A61B5/7282
Abstract: A pulse wave signal expressing a pulse is obtained by detecting a measurement subject's pulse a using a pulse wave sensor. The pulse wave signal is stored in a storage unit. A frequency spectrum of the pulse wave signal is found by converting the time-domain pulse wave signal into the frequency domain. Whether or not the measurement subject is at rest is determined by finding a frequency range, within a predetermined total frequency range the pulse rate of a person can take on, in which an intensity of a frequency component of the frequency spectrum exceeds a first threshold, and finding whether or not a percentage of the total frequency range occupied by the frequency range is less than a second threshold. A pulse rate from the point in time when the measurement subject has been determined to be at rest is found as the measurement subject's at-rest pulse rate.
Abstract translation: 通过使用脉搏波传感器检测测量对象的脉冲a来获得表示脉冲的脉搏波信号。 脉波信号存储在存储单元中。 通过将时域脉波信号转换为频域来找出脉波信号的频谱。 通过在频谱的频率分量的强度超过第一阈值的人的脉搏速率的预定总频率范围内找到频率范围来确定测量对象是否处于静止状态， 并且发现由频率范围占据的总频率范围的百分比是否小于第二阈值。 作为测定对象的静止脉搏率，求出从测定对象被确定为静止的时刻的脉搏数。
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