DK2747637T3 - Eeg-monitor med kapacitive elektroder - Google Patents

Eeg-monitor med kapacitive elektroder Download PDF

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Publication number
DK2747637T3
DK2747637T3 DK11748932.8T DK11748932T DK2747637T3 DK 2747637 T3 DK2747637 T3 DK 2747637T3 DK 11748932 T DK11748932 T DK 11748932T DK 2747637 T3 DK2747637 T3 DK 2747637T3
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Denmark
Prior art keywords
eeg
amplifier
ear
electrodes
electrode
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DK11748932.8T
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English (en)
Inventor
Soren Kilsgaard
Michael Ungstrup
Morten Holm Jensen
Mike Lind Rank
Preben Kidmose
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T&W Eng As
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Publication of DK2747637T3 publication Critical patent/DK2747637T3/da

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    • 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
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • 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
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/277—Capacitive electrodes
    • 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
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/271—Arrangements of electrodes with cords, cables or leads, e.g. single leads or patient cord assemblies
    • A61B5/273—Connection of cords, cables or leads to electrodes
    • 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
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/291—Bioelectric electrodes therefor specially adapted for particular uses for electroencephalography [EEG]
    • 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
    • A61B5/6817—Ear canal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/725—Details of waveform analysis using specific filters therefor, e.g. Kalman or adaptive filters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0209—Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0209—Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053
    • A61B2562/0214—Capacitive electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/18—Shielding or protection of sensors from environmental influences, e.g. protection from mechanical damage
    • A61B2562/182—Electrical shielding, e.g. using a Faraday cage

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physiology (AREA)
  • Psychiatry (AREA)
  • Power Engineering (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Claims (15)

1. EEG-monitor til kontinuerlig monitorering af EEG'et afen bruger via kapacitiv kobling til en øregang afen bruger, hvor EEG-monitoren omfatter en øreindsats (10) til positionering inden i den menneskelige øregang, omfattende mindst to kapacitive elektroder (16) indrettet til at optage et signal, hvor elektroderne er belagt med et dielektrikum for elektrisk isolering af elektroden, hvor elektroden er forbundet til en forstærker (82), hvor forstærkeren har en inputimpedans matchet med impedansen af elektroderne, hvor forbindelsen mellem elektroderne og forstærkeren omfatter et signalkabel (71) og en afskærmning (72), og hvor EEG-monitoren yderligere omfatter en aftastnings- og holdkreds (91) indrettet til at holde afskærmningen ved det samme potential som potentialet af signalkablet.
2. EEG-monitoren ifølge krav 1, indrettet til at måle en EEG-respons.
3. EEG-monitoren ifølge krav 1 eller 2, hvor forstærkeren er beliggende inden i øreindsatsen (10).
4. EEG-monitoren ifølge et hvilket som helst af de foregående krav, hvor forstærkeren er en auto-nul-forstærker (82).
5. EEG-monitoren ifølge et hvilket som helst af kravene 1 til 3, hvor forstærkeren er en chopper-stabiliseret forstærker.
6. EEG-monitoren ifølge et hvilket som helst af de foregående krav, hvor forstærkeren har en inputkarakteristik af et højpasfilter, med en hjørnefrekvens ved 1Hz.
7. EEG-monitoren ifølge et hvilket som helst af de foregående krav, omfattende en auto-nul-forstærker til forstærkning af EEG'et registreret ved elektroderne.
8. EEG-monitoren ifølge et hvilket som helst af de foregående krav, omfattende en testkreds til at teste den kapacitive forbindelse, der har en signalgenerator til at generere et signal med en frekvens uden for frekvensområdet beregnet til måling.
9. EEG-monitoren ifølge et hvilket som helst af de foregående krav, hvor hele monitoren er beliggende ved en indretning i øret.
10. EEG-monitoren ifølge et hvilket som helst af de foregående krav, omfattende en signalprocessor beliggende ved en indretning bag ved øret.
11. EEG-monitoren ifølge et hvilket som helst af de foregående krav, hvor strømforsyningen er beliggende ved en indretning bag ved øret.
12. EEG-monitor til at have på ifølge et hvilket som helst af de foregående krav, hvor øreindsatsen er lavet af et fleksibelt materiale, der tilpasser sig formen af øregangen.
13. EEG-monitoren ifølge et hvilket som helst af de foregående krav, hvor elektroderne er fastgjort til en indre ikke-fleksibel del, der er dækket med en ydre fleksibel del, der tilpasser sig til formen af øregangen.
14. EEG-monitoren ifølge et hvilket som helst af de foregående krav, hvor elektroderne er fordelt jævnt over omkredsen af øreindsatsen.
15. EEG-monitoren ifølge et hvilket som helst af de foregående krav, hvor elektroden har en dobbelt krumningsform.
DK11748932.8T 2011-08-24 2011-08-24 Eeg-monitor med kapacitive elektroder DK2747637T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2011/064544 WO2013026481A1 (en) 2011-08-24 2011-08-24 Eeg monitor with capacitive electrodes and method of monitoring brain waves

Publications (1)

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DK2747637T3 true DK2747637T3 (da) 2017-04-24

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US (2) US9918650B2 (da)
EP (2) EP2747637B1 (da)
JP (1) JP5802334B2 (da)
KR (1) KR101688704B1 (da)
CN (1) CN103826533B (da)
CA (1) CA2846338C (da)
DK (1) DK2747637T3 (da)
SG (1) SG11201400166XA (da)
WO (1) WO2013026481A1 (da)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130035579A1 (en) 2011-08-02 2013-02-07 Tan Le Methods for modeling neurological development and diagnosing a neurological impairment of a patient
US9814426B2 (en) 2012-06-14 2017-11-14 Medibotics Llc Mobile wearable electromagnetic brain activity monitor
US10772559B2 (en) 2012-06-14 2020-09-15 Medibotics Llc Wearable food consumption monitor
US20140114165A1 (en) 2012-10-24 2014-04-24 Dreamscape Medical Llc Systems and methods for detecting brain-based bio-signals
US10028703B2 (en) 2013-07-30 2018-07-24 Emotiv, Inc. Wearable system for detecting and measuring biosignals
EP2883494A1 (en) * 2013-12-12 2015-06-17 Oticon A/s Sound stimulator for memory enhancement
US10542904B2 (en) * 2014-04-23 2020-01-28 Case Western Reserve University Systems and methods for at home neural recording
US9700261B2 (en) * 2014-09-22 2017-07-11 Oticon A/S Hearing assistance system comprising electrodes for picking up brain wave signals
GB2527157B (en) * 2014-11-19 2016-07-13 Kokoon Tech Ltd A headphone
WO2016091911A1 (en) * 2014-12-08 2016-06-16 Mybrain Technologies Headset for bio-signals acquisition
CA2970757C (en) 2014-12-19 2022-11-08 T&W Engineering A/S An active electrode having a closed-loop unit-gain amplifier with chopper modulation
CN105982666A (zh) * 2015-02-12 2016-10-05 中国科学院上海高等研究院 耳戴式脑电波采集系统
CN105982665A (zh) * 2015-02-12 2016-10-05 中国科学院上海高等研究院 一种从人耳耳道采集脑电波信号的方法
US10108264B2 (en) 2015-03-02 2018-10-23 Emotiv, Inc. System and method for embedded cognitive state metric system
US11324444B2 (en) * 2015-03-18 2022-05-10 T&W Engineering A/S EEG monitor
CN105167769B (zh) * 2015-09-07 2018-01-12 中山衡思健康科技有限公司 一种耳机式脑电采集装置
WO2017054875A1 (en) * 2015-10-01 2017-04-06 T&W Engineering A/S Ear canal plug for detecting bio-electrical signals
CN105395193A (zh) * 2015-12-08 2016-03-16 天津大学 一种微型可穿戴式脑电采集器
US10282875B2 (en) 2015-12-11 2019-05-07 International Business Machines Corporation Graph-based analysis for bio-signal event sensing
CN106994013A (zh) * 2016-01-22 2017-08-01 周常安 穿戴式生理共振刺激系统、电刺激装置及生理活动感测装置
WO2017125082A1 (zh) * 2016-01-22 2017-07-27 周常安 穿戴式生理活动感测装置及系统
EP3493737A4 (en) * 2016-08-05 2020-01-01 The Regents of the University of Colorado, a body corporate INTERNAL MEASURING SYSTEMS AND METHOD FOR BIOLOGICAL SIGNAL MONITORING
CN106333672A (zh) * 2016-09-12 2017-01-18 杨代辉 基于eeg的高压工作人群的疲劳监测与快速恢复的头戴设备
US20180116543A1 (en) * 2016-11-03 2018-05-03 Landon C.G. Miller System and method of brain event capture monitoring and evaluating with respect to accumulated histories
CN110167440A (zh) * 2016-12-09 2019-08-23 T&W工程公司 带电极的通用耳设备
US20180235540A1 (en) * 2017-02-21 2018-08-23 Bose Corporation Collecting biologically-relevant information using an earpiece
CN107157478B (zh) * 2017-06-01 2020-10-23 电子科技大学 一种基于容性电极的多通道皮层脑电采集系统
WO2019241645A1 (en) * 2018-06-15 2019-12-19 Newton Howard Device for monitoring activities of daily living and physiological parameters to determine a condition and diagnosis of the human brain and body
CN109674467A (zh) * 2019-01-08 2019-04-26 大连理工大学 一种单导耳脑电信号采集装置及其方法
CN110584657B (zh) * 2019-03-15 2022-09-23 华为技术有限公司 一种注意力检测方法及系统
CN110051347A (zh) * 2019-03-15 2019-07-26 华为技术有限公司 一种用户睡眠检测方法及系统
US10835145B1 (en) * 2019-06-21 2020-11-17 Bose Corporation Ear tips capable of capturing bioelectrical signals and providing nerve stimulation
US20210000370A1 (en) * 2019-07-02 2021-01-07 X Development Llc In-Ear EEG Sensor Using Malleable Form Fitting Foam
CN110212873B (zh) * 2019-07-10 2023-12-05 桂林电子科技大学 应用于可穿戴干电极心电监测的低噪声高输入阻抗放大器
WO2021041778A1 (en) * 2019-08-30 2021-03-04 Bose Corporation Ear tips
US11115764B2 (en) 2019-09-30 2021-09-07 Sonova Ag Hearing systems, sensor systems, and methods for detecting a physiological attribute of a user
US11839491B2 (en) * 2019-10-07 2023-12-12 The Regents Of The University Of Colorado, A Body Corporate Shape-memory in-ear biosensor for monitoring physiological signals
US20210169391A1 (en) * 2019-12-09 2021-06-10 Koninklijke Philips N.V. Electrode configuration to record ear electroencephalogram (eeg) during sleep and wakefulness
US11931175B2 (en) 2019-12-13 2024-03-19 Ecole De Technologie Superieure In-ear and around-the-ear electroencephalography system with floating electrodes and method thereof
US20210282701A1 (en) * 2020-03-16 2021-09-16 nCefalon Corporation Method of early detection of epileptic seizures through scalp eeg monitoring
US20210307690A1 (en) * 2020-04-07 2021-10-07 Nextsense, Inc. Multi-Body Earpiece
CN112535486B (zh) * 2020-09-23 2021-07-02 清华大学 基于smp的螺旋形监测脑电装置及其制备方法
US20230065296A1 (en) * 2021-08-30 2023-03-02 Facebook Technologies, Llc Eye-tracking using embedded electrodes in a wearable device
EP4401622A1 (en) 2021-09-14 2024-07-24 Applied Cognition, Inc. Non-invasive assessment of glymphatic flow and neurodegeneration from a wearable device
US20230319490A1 (en) * 2022-03-31 2023-10-05 Oticon A/S Hearing aid comprising at least one eeg signal processing circuit
US12004874B2 (en) 2022-10-24 2024-06-11 Applied Cognition, Inc. Wearable device and method for non-invasive assessment of glymphatic flow

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679002A (en) * 1985-04-25 1987-07-07 Westinghouse Electric Corp. Electromagnetically shielded narrow band electroencephalographic amplifier
US5813993A (en) * 1996-04-05 1998-09-29 Consolidated Research Of Richmond, Inc. Alertness and drowsiness detection and tracking system
US6093158A (en) * 1997-05-15 2000-07-25 Morris; Donald E. Systems for modifying behavioral disorders
CA2280996A1 (en) * 1999-08-26 2001-02-26 Riccardo Brun Del Re Electric field sensor
NO314647B1 (no) * 2000-06-09 2003-04-22 Idex Asa Målesystem for fingeravtrykksensor
JP2002052000A (ja) 2000-08-11 2002-02-19 Ito Choutanpa Kk 体脂肪率計付筋肉トレーニング装置
WO2002065904A1 (en) * 2001-02-23 2002-08-29 Cordless Antistatic Research Inc. Enhanced pickup bio-electrode
GB0129390D0 (en) * 2001-12-07 2002-01-30 Clark Terrence D Electrodynamic sensors and applications thereof
US7512448B2 (en) * 2003-01-10 2009-03-31 Phonak Ag Electrode placement for wireless intrabody communication between components of a hearing system
US20060094974A1 (en) 2004-11-02 2006-05-04 Cain Robert C Systems and methods for detecting brain waves
DE102004063249A1 (de) * 2004-12-23 2006-07-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sensorsystem und Verfahren zur kapazitiven Messung elektromagnetischer Signale biologischen Ursprungs
WO2007047667A2 (en) * 2005-10-14 2007-04-26 Sarnoff Corporation Apparatus and method for the measurement and monitoring of bioelectric signal patterns
JP2009534108A (ja) 2006-04-21 2009-09-24 クァンタム・アプライド・サイエンス・アンド・リサーチ・インコーポレーテッド 電気信号測定システム
US8214007B2 (en) * 2006-11-01 2012-07-03 Welch Allyn, Inc. Body worn physiological sensor device having a disposable electrode module
US8157730B2 (en) * 2006-12-19 2012-04-17 Valencell, Inc. Physiological and environmental monitoring systems and methods
US8652040B2 (en) * 2006-12-19 2014-02-18 Valencell, Inc. Telemetric apparatus for health and environmental monitoring
CA2681559C (en) * 2007-03-23 2013-08-06 Widex A/S System and method for the objective measurement of hearing ability of an individual
WO2008152588A2 (en) * 2007-06-15 2008-12-18 Koninklijke Philips Electronics N.V. Materials for capacitive sensors
WO2009000030A1 (en) * 2007-06-22 2008-12-31 Cmte Development Limited Scalp potential measuring method and apparatus
EP2214555B1 (en) * 2007-11-28 2020-01-15 The Regents of The University of California Non-contact biopotential sensing method
EP2101408B1 (en) * 2008-03-11 2012-05-16 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Floating front-end amplifier and one-wire measuring devices
US8209004B2 (en) * 2008-06-23 2012-06-26 Freer Logic, Llc Body-based monitoring of brain electrical activity
US8788002B2 (en) * 2009-02-25 2014-07-22 Valencell, Inc. Light-guiding devices and monitoring devices incorporating same
JP5789199B2 (ja) * 2009-02-25 2015-10-07 ヴァレンセル，インコーポレイテッド ヘッドセット及びイアバッド
CN103622689B (zh) * 2009-04-02 2015-08-19 株式会社村田制作所 心电信号检测装置
WO2011000375A1 (en) * 2009-07-02 2011-01-06 Widex A/S An ear plug with surface electrodes
WO2011110218A1 (en) * 2010-03-09 2011-09-15 Widex A/S Two part hearing aid with databus and method of communicating between the parts
CA2826866A1 (en) * 2011-02-09 2012-08-16 Massachusetts Institute Of Technology Wearable vital signs monitor
EP2667638B1 (en) * 2012-05-24 2016-02-03 Oticon A/s Hearing device with external electrode
EP3917167A3 (en) * 2013-06-14 2022-03-09 Oticon A/s A hearing assistance device with brain computer interface

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Publication number Publication date
CA2846338C (en) 2017-10-10
US9918650B2 (en) 2018-03-20
JP2014527862A (ja) 2014-10-23
KR20140058628A (ko) 2014-05-14
CN103826533A (zh) 2014-05-28
EP3189780A1 (en) 2017-07-12
SG11201400166XA (en) 2014-03-28
US20140171775A1 (en) 2014-06-19
US20180177421A1 (en) 2018-06-28
WO2013026481A1 (en) 2013-02-28
JP5802334B2 (ja) 2015-10-28
EP2747637A1 (en) 2014-07-02
US11690555B2 (en) 2023-07-04
KR101688704B1 (ko) 2016-12-21
CA2846338A1 (en) 2013-02-28
CN103826533B (zh) 2016-03-30
EP2747637B1 (en) 2017-03-08

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