WO2024090527A1 - 生体信号計測装置 - Google Patents
生体信号計測装置 Download PDFInfo
- Publication number
- WO2024090527A1 WO2024090527A1 PCT/JP2023/038745 JP2023038745W WO2024090527A1 WO 2024090527 A1 WO2024090527 A1 WO 2024090527A1 JP 2023038745 W JP2023038745 W JP 2023038745W WO 2024090527 A1 WO2024090527 A1 WO 2024090527A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- measuring device
- user
- biosignal
- bioinformation
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6814—Head
- A61B5/6815—Ear
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6822—Neck
Definitions
- This application relates to a biosignal measuring device.
- Patent Document 1 discloses a biosignal detection device that includes a reference electrode configured to be placed in a part of the area consisting of the auricle depression and the ear canal, a detection electrode configured to contact the skin on the temporal bone behind the auricle, and a signal processing unit that outputs a signal based on the potential of the reference electrode and the potential of the detection electrode. This makes it possible to obtain a significant waveform suitable for analyzing electroencephalograms.
- the biosignals to be measured are generally diverse, and continuous measurement over several hours to several days may be required. For this reason, with a device that is worn on only one part of the body, such as the ear, like the biosignal detection device described in Patent Document 1, it may be difficult to cover all of the target biosignals, even if it can suppress an increase in stress in the subject wearing the device.
- the present invention aims to provide a biosignal measuring device that can measure the biosignal to be measured at a suitable location depending on the biosignal to be measured.
- One aspect of the present disclosure is a biosignal measuring device worn by a user, comprising a biopotential acquisition unit having at least one biopotential sensor, and a bioinformation acquisition unit having a bioinformation acquisition sensor that acquires biosignals other than biopotentials as bioinformation, the biopotential acquisition unit and the bioinformation acquisition unit being attached to separate parts of the user.
- bioelectric potential acquisition unit is attached to at least one of the rear side of the user's auricle, neck, shoulder, and back.
- one aspect of the present disclosure may be characterized in that the biometric information acquisition unit is attached to the back of the user's neck.
- the biopotential sensor may be configured to measure at least one of the user's electroencephalogram, electrocardiogram, and electromyogram.
- the bioelectric potential acquisition unit may be configured to be capable of measuring bioelectric impedance.
- the biometric information acquisition unit may be configured to be capable of measuring blood pressure, plasma glucose, pulse rate, body surface temperature, and midline acceleration.
- the biometric information acquisition sensor may include a photoelectric sensor.
- the biometric information acquisition unit may be configured to be capable of measuring at least one of biometric impedance, temperature, and acceleration.
- a biopotential acquisition unit having at least one biopotential sensor and a bioinformation acquisition unit having a bioinformation acquisition sensor that acquires biosignals other than biopotentials as bioinformation are attached to separate locations on the user.
- the biosignal needs to be measured with a significant waveform, and it is preferable to measure it at a location close to the signal source.
- the biopotential sensor and the bioinformation acquisition sensor are attached to separate locations, so they can be attached to a location suitable for measuring biopotentials and a location suitable for measuring bioinformation, respectively. This allows measurement to be performed at a location suitable for the biosignal to be measured.
- the biopotential acquisition unit is attached to at least one of the rear side of the user's auricle, neck, shoulder, and back. These locations are relatively close to the brain and heart, and are therefore suitable for measuring biopotentials related to electroencephalograms and electrocardiograms, and are also suitable for measuring biopotentials related to electromyograms. Therefore, measurements can be performed at a suitable location depending on the biosignal to be measured.
- the biometric information acquisition unit is attached to the back of the neck of the user.
- the back of the neck is close to the carotid artery and is therefore suitable for measuring biometric information related to blood. Therefore, when the measurement target is biometric information related to blood, the biometric signal can be suitably measured.
- the biopotential sensor is configured to be capable of measuring at least one of the user's electroencephalogram, electrocardiogram, and electromyogram.
- the biopotential sensor can be attached to at least one of the rear side of the user's auricle, neck, shoulder, and back, thereby suitably measuring biosignals related to the user's electroencephalogram, electrocardiogram, and electromyogram.
- the bioelectric potential acquisition unit is configured to be capable of measuring bioelectric impedance.
- the bioelectric potential acquisition unit capable of measuring bioelectric potentials generated by the activity of a living organism can also be used to measure bioelectric impedance generated by applying electrical stimuli to a living organism. This makes it possible to prevent or suppress an unnecessary increase in the number of sensors, and to measure the bioelectric signals to be measured while preventing or suppressing an increase in the weight of the biosignal measuring device and the associated increase in the burden on the user.
- the bioinformation acquisition unit is configured to be capable of measuring blood pressure, plasma glucose, pulse rate, body surface temperature, and midline acceleration.
- the bioinformation acquisition sensor is attached to the back of the user's neck, and can suitably measure blood pressure, plasma glucose, pulse rate, body surface temperature, and midline acceleration.
- the bioinformation acquisition sensor includes a photoelectric sensor. Therefore, bioinformation related to blood and blood flow, such as blood pressure, plasma glucose, and pulse rate, can be suitably measured.
- the bioinformation acquisition unit is configured to be capable of measuring at least one of bioimpedance, temperature, and acceleration. Therefore, when analyzing and evaluating the measured biosignal, it is possible to appropriately grasp the correlation between the biosignal and the bioimpedance, temperature, and acceleration.
- FIG. 1 shows a side view of a user wearing a biosignal measuring device according to a first embodiment.
- 1A is a front view of a biometric information acquisition unit according to the present embodiment
- FIG. 1B is a plan view of the biometric information acquisition unit
- FIG. 1C is a side view of the biometric information acquisition unit.
- FIG. 3 shows a rear view of the biometric information acquisition unit with the rear cover removed.
- 13A shows a side view of a user wearing a biosignal measuring device according to a second embodiment
- FIG. 13B shows a rear view of the user.
- 1A is a side view of a biometric information acquisition unit according to the present embodiment
- FIG. 1B is a plan view of the biometric information acquisition unit
- FIG. 1 shows a biosignal measuring device 10 according to the first embodiment attached to a user (subject) HP.
- the biosignal measuring device 10 includes an ear housing 12 as a bioelectric potential acquiring section, and a board housing 16 as a bioinformation acquiring section connected to the ear housing 12 via a harness 14.
- the ear housing 12 is attached to the rear side of the left and right auricles of the user HP
- the board housing 16 is attached to the rear of the neck of the user HP.
- the ear housing 12 has a pair of electrodes 18 (see FIG. 5(b)) as a bioelectric potential sensor attached to the body surface BS to measure the bioelectric potential generated by the activity of a living organism, and an attachment part 20 for stably attaching the electrodes 18 to the body surface BS.
- the pair of electrodes 18 are covered with a streamlined cover that narrows the shape between the electrodes 18 to make them lightweight, and only the part that is attached to the body surface BS is exposed.
- the electrodes 18 are made of a conductor, and may be made of metals such as silver, silver chloride, gold, platinum, etc., or materials such as carbon.
- the electrodes 18 and the biosignal measuring device 10 are configured to be capable of measuring electroencephalograms (EEG), electrocardiograms (ECG), and electromyograms (EMG).
- the electrodes 18 are also configured to be capable of measuring bioimpedance by passing a weak current from the board housing 16 side. Note that, here, the bioimpedance measurement is described as being performed by the electrode 18, but this is not limited thereto, and the configuration for measuring the bioimpedance, i.e., the configuration for measuring the impedance by passing a weak current, may be provided on the board housing side.
- a sheet-like attachment part 20 with an oval outer circumference is formed integrally with the cover of the electrode 18 on the outer periphery of the cover of the electrode 18.
- the attachment part 20 is configured in the form of a tape containing an adhesive or the like on the attachment side. This allows the electrode 18 to be stably attached to the body surface BS.
- the ear housing 12 is described as being attached to the rear side of the auricle of the user HP, but this is not limited thereto, and the ear housing may be attached to a part where the bioelectric potential can be suitably measured, such as the neck, shoulders, and back.
- the ear housing 12 as the bioelectric potential acquisition part is described as being attached in pair to the rear side of the auricle of the user HP, but this is not limited thereto, and the bioelectric potential acquisition part may be attached anywhere on the body where the bioelectric potential can be measured, such as both sides of the neck, both sides of the shoulders, and/or both sides of the back, in addition to the ear housing.
- Figures 2(a) to 2(c) show a front view, a plan view, and a side view, respectively, of the base housing 16.
- the base housing 16 extends from its side portion 16c and is electrically connected to the ear housing 12 through wiring 38 (see Figure 5(a)) bundled within the harness 14.
- the front portion 16a of the base housing 16 is curved to fit the back of the neck, and a sheet-like attachment portion (not shown) is formed integrally with the base housing 16 on the outer periphery of the base housing 16. This allows the base housing 16 to be stably attached to the back of the neck of the user HP.
- a body temperature sensor 22 as a bioinformation sensor for measuring the surface and deep body temperatures of the user HP
- a photoelectric sensor (PPG sensor) 24 as a bioinformation sensor for measuring the pulse wave, blood pressure, and plasma glucose as bioinformation of the user HP are arranged with the contact parts 22a, 24a to be attached to the body surface BS exposed.
- a power switch 26 of the biosignal measuring device 10 and an LED 28 for displaying the operating mode are arranged on the upper part of the back part 16b side.
- a USB port 30 for communicating measured data with an external device is provided on the side part 16c side.
- FIG. 3 shows a rear view of the board housing 16 with the cover of the rear part 16b removed.
- a battery 32 and a board 34 are arranged to power the measurement sensors of the biosignal measurement device 10.
- the electrodes 18 of the ear housing 12, the body temperature sensor 22, and the photoelectric sensor 24 are electrically connected to the board 34, and a 6-axis accelerometer (not shown) is arranged to measure midline acceleration as bioinformation to grasp body movement.
- an AD converter 36 see FIG. 5(a)
- a memory are arranged on the board 34 to record the data of the brain wave, electrocardiogram, electromyogram, body temperature (superficial and deep), pulse wave, blood pressure, plasma glucose, and midline acceleration measured by these measurement sensors.
- the body temperature sensor 22 and the photoelectric sensor 24 are arranged as bioinformation sensors, this is not limiting, and sensors or electrodes for measuring the brain wave (EEG), electrocardiogram (ECG), and electromyogram (EMG) may also be provided as bioinformation sensors.
- EEG brain wave
- ECG electrocardiogram
- EMG electromyogram
- the ear housing 12 with the electrodes 18 and the base housing 16 having the photoelectric sensor 24 for acquiring pulse waves, blood pressure, and plasma glucose, which are biosignals (bioinformation) other than biopotentials, are attached to separate locations on the user's HP.
- biosignals bioinformation
- the electrodes 18 and the photoelectric sensor 24 are attached separately to the rear of the auricle, which is close to the brain and heart and is also suitable for measuring biopotentials related to electromyograms, and to the back of the neck, which is close to the carotid artery, so that both biopotentials and bioinformation can be measured appropriately.
- the ear housing 12 is configured to be capable of measuring bioimpedance.
- the bioinformation acquisition sensor of the substrate housing 16 includes a photoelectric sensor 24. Therefore, bioinformation such as blood pressure, plasma glucose, and pulse rate can be suitably measured.
- the substrate housing 16 is configured to be capable of measuring bioimpedance, temperature, and acceleration. Therefore, when analyzing and evaluating the measured biosignal, the correlation between the biosignal and the bioimpedance, temperature, and acceleration can be properly understood.
- sensors for measuring a wide range of biosignals can be distributed between the ear housing 12 and the base housing 16, which are attached to separate parts of the user HP. This allows the ear housing 12 and the base housing 16 to be made small and prevents weight increases. This reduces stress on the user HP wearing the biosignal measuring device 10 and improves the fit.
- the biosignal measuring device 10 can measure at a suitable location depending on the biosignal to be measured.
- a biosignal measuring device 40 according to the second embodiment will be described below with reference to Fig. 4(a) to Fig. 5(c). Elements similar to or corresponding to those in the first embodiment are given the same reference numerals, and duplicated descriptions will be omitted.
- FIGS 4(a) and 4(b) show the biosignal measuring device 40 attached to the user HP, viewed from the side and back.
- the board housings 42 serving as bioinformation acquisition units are attached to the left and right sides of the neck of the user HP, one each, and are electrically connected to the left and right ear housings 12 via a harness 14. They are connected by a band 44 that extends along the neck on the rear neck side.
- the band 44 is elastic, and generates a spring force that presses the board housing 42 attached to the user HP towards the user HP. This makes it possible to stabilize the position of the board housing 42 attached to the user HP.
- Figures 5(a) to 5(c) show a side view, a plan view and a bottom view, respectively, of the base housing 42.
- Figure 5(b) shows a side view with the cover of the side portion 42a facing the user HP removed.
- An attachment portion 46 is formed on the rear side of the side portion 42a of the base housing 42 for adhering closely to the side of the neck of the user HP, and the body temperature sensor 22 and the photoelectric sensor 24 are positioned so that the contact portions 22a, 24a for adhering to the body surface BS are exposed from the attachment portion 46.
- the power switch 26 of the biosignal measuring device 10 and an LED 28 for displaying the operating mode are located on the top 42b side of the circuit board housing 42.
- a USB port 30 for communicating measured data with an external device is provided on the bottom 42c side.
- a battery (not shown) that serves as a power source for each sensor of the biosignal measuring device 40 and a board 34 are arranged inside the board housing 42.
- the electrodes 18 of the ear housing 12, the body temperature sensor 22, and the photoelectric sensor 24 are electrically connected to the board 34, and a 6-axis accelerometer (not shown) that measures median acceleration to grasp body movement is arranged on the board 34.
- an AD converter 36 (see FIG. 5(a)) and a memory (not shown) are arranged on the board 34 to record data on the brain waves, electrocardiogram, electromyogram, body temperature (superficial and deep), pulse waves, blood pressure, plasma glucose, and median acceleration measured by these sensors.
- the board 34 is provided with a chip 48 for performing data processing and communication processing.
- the body temperature sensor 22 and the photoelectric sensor 24 are arranged as bioinformation sensors, this is not limiting, and sensors or electrodes for measuring the brain waves (EEG), electrocardiogram (ECG), and electromyogram (EMG) may also be provided as bioinformation sensors.
- EEG brain waves
- ECG electrocardiogram
- EMG electromyogram
- the ear housing 12 equipped with the electrode 18 and the base housing 42 having the photoelectric sensor 24 for acquiring pulse waves, blood pressure, and plasma glucose, which are biosignals (biological information) other than biopotentials, are attached to separate locations on the user HP.
- the electrode 18 and the photoelectric sensor 24 are separately attached to the posterior side of the auricle, which is close to the brain and heart and is also suitable for measuring biopotentials related to electromyograms, and to the side of the neck close to the carotid artery, so that both biopotentials and bioinformation can be suitably measured.
- the biosignal measuring device 40 can measure at a suitable location depending on the biosignal to be measured.
- Biosignal measuring device 12 Ear housing (bioelectric potential acquiring unit) 16 Board housing (biometric information acquisition unit) 18 Electrode (bioelectric potential sensor) 22 Body temperature sensor (biometric information sensor) 24 Photoelectric sensor (biometric information sensor) 40 Biological signal measuring device 42 Substrate housing (biological information acquisition unit) HP User
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Abstract
Description
図1には、ユーザ(被計測者)HPに取り付けられた状態の第1実施形態に係る生体信号計測装置10を示す。生体信号計測装置10は、生体電位取得部としての耳部筐体12と、耳部筐体12とハーネス14を介して接続された生体情報取得部としての基板筐体16とを備える。ここでは、耳部筐体12は、ユーザHPの左右両側の耳介の後方側に貼り付けられ、基板筐体16は、ユーザHPの後頸部に貼り付けられている。このように耳部筐体12と基板筐体16とをユーザHPの別個の部位に分散して設けることによって、それぞれを小型に形成すると共に、重量の増加を抑制することができる。これによって、ユーザの生体信号計測装置10の装着感を向上させることができる。
以下、図4(a)から図5(c)を用いて第2実施形態に係る生体信号計測装置40について説明する。第1実施形態と同様な又は対応する要素には同一の符号を付し、重複する説明は省略する。
12 耳部筐体(生体電位取得部)
16 基板筐体(生体情報取得部)
18 電極(生体電位センサ)
22 体温センサ(生体情報センサ)
24 光電センサ(生体情報センサ)
40 生体信号計測装置
42 基板筐体(生体情報取得部)
HP ユーザ
Claims (8)
- ユーザに装着する生体信号計測装置であって、
少なくとも1つの生体電位センサを有する生体電位取得部と、
生体電位以外の生体信号を生体情報として取得する生体情報取得センサを有する生体情報取得部と、を備え、
前記生体電位取得部と前記生体情報取得部とは、ユーザの別個の部位に取り付けられることを特徴とする、生体信号計測装置。 - 前記生体電位取得部は、前記ユーザの耳介の後方側、首、肩及び背中の少なくとも1つに取り付けられることを特徴とする、請求項1に記載の生体信号計測装置。
- 前記生体情報取得部は、前記ユーザの後頸部に取り付けられることを特徴とする、請求項2に記載の生体信号計測装置。
- 前記生体電位センサは、前記ユーザの脳波、心電図及び筋電図の少なくとも1つを計測可能に構成されている、請求項3に記載の生体信号計測装置。
- 前記生体電位取得部は、生体インピーダンスを計測可能に構成されている、請求項4に記載の生体信号計測装置。
- 前記生体情報取得部は、血圧、血漿グルコース、脈拍、体表温度及び正中加速度を計測可能に構成されている、請求項5に記載の生体信号計測装置。
- 前記生体情報取得センサは、光電センサを含む、請求項6に記載の生体信号計測装置。
- 前記生体情報取得部は、生体インピーダンス、温度及び加速度の少なくとも1つを計測可能に構成されていることを特徴とする、請求項7に記載の生体信号計測装置。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2024553138A JPWO2024090527A1 (ja) | 2022-10-26 | 2023-10-26 | |
| CN202380074763.8A CN120112219A (zh) | 2022-10-26 | 2023-10-26 | 生物信号计测装置 |
| EP23882729.9A EP4609789A1 (en) | 2022-10-26 | 2023-10-26 | Biosignal measurement device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022-171713 | 2022-10-26 | ||
| JP2022171713 | 2022-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024090527A1 true WO2024090527A1 (ja) | 2024-05-02 |
Family
ID=90830987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2023/038745 Ceased WO2024090527A1 (ja) | 2022-10-26 | 2023-10-26 | 生体信号計測装置 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4609789A1 (ja) |
| JP (1) | JPWO2024090527A1 (ja) |
| CN (1) | CN120112219A (ja) |
| WO (1) | WO2024090527A1 (ja) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018504719A (ja) * | 2014-11-02 | 2018-02-15 | エヌゴーグル インコーポレイテッド | スマートオーディオヘッドホンシステム |
| JP2018186934A (ja) | 2017-04-28 | 2018-11-29 | 凸版印刷株式会社 | 生体信号検出装置、および、脳波測定方法 |
| US20190101984A1 (en) * | 2017-09-29 | 2019-04-04 | Facebook Technologies, Llc | Heartrate monitor for ar wearables |
| EP3498151A1 (en) * | 2017-12-14 | 2019-06-19 | Koninklijke Philips N.V. | Method and apparatus for determining onset of sleep |
| KR20210065536A (ko) * | 2019-11-27 | 2021-06-04 | 주식회사 소소 | 뇌파 신호를 이용한 우울증 자가 진단 시스템 |
| US11103145B1 (en) * | 2017-06-14 | 2021-08-31 | Vivaquant Llc | Physiological signal monitoring and apparatus therefor |
| US20220280051A1 (en) * | 2021-03-05 | 2022-09-08 | Arizona Board Of Regents On Behalf Of Arizona State University | In-ear wearable device |
-
2023
- 2023-10-26 JP JP2024553138A patent/JPWO2024090527A1/ja active Pending
- 2023-10-26 EP EP23882729.9A patent/EP4609789A1/en active Pending
- 2023-10-26 CN CN202380074763.8A patent/CN120112219A/zh active Pending
- 2023-10-26 WO PCT/JP2023/038745 patent/WO2024090527A1/ja not_active Ceased
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018504719A (ja) * | 2014-11-02 | 2018-02-15 | エヌゴーグル インコーポレイテッド | スマートオーディオヘッドホンシステム |
| JP2018186934A (ja) | 2017-04-28 | 2018-11-29 | 凸版印刷株式会社 | 生体信号検出装置、および、脳波測定方法 |
| US11103145B1 (en) * | 2017-06-14 | 2021-08-31 | Vivaquant Llc | Physiological signal monitoring and apparatus therefor |
| US20190101984A1 (en) * | 2017-09-29 | 2019-04-04 | Facebook Technologies, Llc | Heartrate monitor for ar wearables |
| EP3498151A1 (en) * | 2017-12-14 | 2019-06-19 | Koninklijke Philips N.V. | Method and apparatus for determining onset of sleep |
| KR20210065536A (ko) * | 2019-11-27 | 2021-06-04 | 주식회사 소소 | 뇌파 신호를 이용한 우울증 자가 진단 시스템 |
| US20220280051A1 (en) * | 2021-03-05 | 2022-09-08 | Arizona Board Of Regents On Behalf Of Arizona State University | In-ear wearable device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2024090527A1 (ja) | 2024-05-02 |
| EP4609789A1 (en) | 2025-09-03 |
| CN120112219A (zh) | 2025-06-06 |
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