WO2016140325A1 - Électrode pour détecter des ondes cérébrales - Google Patents

Électrode pour détecter des ondes cérébrales Download PDF

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Publication number
WO2016140325A1
WO2016140325A1 PCT/JP2016/056661 JP2016056661W WO2016140325A1 WO 2016140325 A1 WO2016140325 A1 WO 2016140325A1 JP 2016056661 W JP2016056661 W JP 2016056661W WO 2016140325 A1 WO2016140325 A1 WO 2016140325A1
Authority
WO
WIPO (PCT)
Prior art keywords
comb
members
electrode
base member
electroencephalogram detection
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
Application number
PCT/JP2016/056661
Other languages
English (en)
Japanese (ja)
Inventor
佐野　嘉彦
証英 原田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nipro Corp
Harada Electronics Industry Co Ltd
Original Assignee
Nipro Corp
Harada Electronics Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nipro Corp, Harada Electronics Industry Co Ltd filed Critical Nipro Corp
Publication of WO2016140325A1 publication Critical patent/WO2016140325A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A61B5/25—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
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/263—Bioelectric electrodes therefor characterised by the electrode materials
    • A61B5/265—Bioelectric electrodes therefor characterised by the electrode materials containing silver or silver chloride
    • 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
    • A61B5/296—Bioelectric electrodes therefor specially adapted for particular uses for electromyography [EMG]

Definitions

  • the present invention relates to an electrode that is mounted on the head and detects an electroencephalogram from the scalp, and more particularly to an electrode that can detect an electroencephalogram without being obstructed by the hair.
  • the use of the electrolyte in this way has the inconvenience that the electrolyte adheres to the scalp during the detection of the electroencephalogram and feels uncomfortable, and that after the detection of the electroencephalogram, a process of wiping the electrolyte from the hair and scalp becomes necessary. It was. For this reason, although the structure which inserts an electrode member between hairs is proposed, it was difficult to make it contact with a scalp reliably.
  • the present invention advantageously solves the problems of the conventional electroencephalogram detection electrode in view of the above points, and the electroencephalogram detection electrode of the present invention is an electrode that is attached to the head and detects an electroencephalogram.
  • the plurality of comb-shaped members are arranged in a direction intersecting with the longitudinal direction, and each of the plurality of comb-shaped members has a plurality of comb-tooth portions aligned with each other in the longitudinal direction of the comb-shaped member.
  • each of the plurality of comb-tooth portions of the plurality of comb-like members While scalping the hair, it breaks between the hairs and reaches the scalp, and the tips of the comb teeth come into contact with the scalp to detect an electroencephalogram that is a change in the potential of that part of the scalp.
  • the electroencephalogram detection electrode of the present invention the electroencephalogram can be detected without being disturbed by the hair.
  • the base member and the plurality of comb-shaped members are integrally formed of a synthetic resin such as a soft resin and the surface is covered with a highly conductive metal. It is preferable that it is. If it does in this way, this electrode can be easily manufactured by injection molding, electroless plating, or the like.
  • the comb teeth of the plurality of comb-shaped members may be linearly aligned in the direction in which the plurality of comb-shaped members are arranged, and alternately in a staggered manner. They may be misaligned and aligned.
  • the tip portions of the comb teeth of the plurality of comb-shaped members have a convex curved contour and a plate shape in which the longitudinal direction of the comb-shaped member is the thickness direction. It is preferable to do it.
  • the tip of the comb teeth extends in the direction in which the convex curved surface extends. Since it smoothly contacts the scalp while moving to, it is possible to detect an electroencephalogram without damaging the subject's scalp or causing discomfort to the subject.
  • the tips of the comb teeth of the plurality of comb members have a conical shape. In this way, the contact area of the tip of the comb tooth with respect to the scalp is reduced and the surface pressure is increased, so that the impedance between the electroencephalogram detection electrode and the scalp is lowered, and the electroencephalogram detection is performed with higher sensitivity. It can be performed.
  • FIG. 1 is a perspective view showing one embodiment of the electroencephalogram detection electrode of the present invention.
  • the electroencephalogram detection electrode of this embodiment includes, for example, a conductive base member 1 having a rectangular thick plate shape, and a longitudinal direction extending from the left front side to the right back side in the drawing on the base member 1. And a plurality of conductive conductive members 2 (four in the illustrated example).
  • the plurality of comb-like members 2 are arranged along the upper surface of the base member 1 in a direction intersecting with the longitudinal direction of the comb-like member 2 (in the drawing, diagonally from the left back to the right front).
  • Each of the plurality of comb-like members 2 has a plurality of comb-tooth portions 3 aligned with each other in the longitudinal direction of the comb-like member 2.
  • the base member 1 and the comb-like member 2 are integrally formed of, for example, a soft synthetic resin, and such integral molding can be performed by, for example, injection molding.
  • the base member 1 and the comb-like member 2 are provided with conductivity on the surfaces thereof by forming a coating of a highly conductive metal such as silver plating, silver chloride plating or silver chloride coating on the entire surface. ing.
  • the comb teeth 3 of the plurality of comb-like members 2 are straight in the direction in which the plurality of comb-like members 2 are arranged (in the direction obliquely from the left back to the right front in the figure). Are aligned.
  • each tip portion of the plurality of comb teeth 3 of the plurality of comb members 2 has a convex curved contour and the longitudinal direction of the comb member 2 is the thickness direction. It has a plate shape.
  • One or a plurality of the electroencephalogram detection electrodes of this embodiment are arranged inside a support frame (not shown) that is curved like a headphone frame, for example, and each base member 1 is arranged such that the comb-like member 2 faces the inside of the support frame. Is fixed to the support frame, and the support frame is moved back and forth or up and down along the subject's head while the support frame is put on the subject's head (not shown) and the comb-like member 2 is inserted into the subject's head hair.
  • each of the plurality of comb teeth 3 of the plurality of comb-shaped members 2 divides between the hairs while combing the hair and reaches the scalp. Then, the tips of the comb teeth 3 come into contact with the scalp to detect an electroencephalogram that is a potential change state of that part of the scalp.
  • the electroencephalogram detection electrode of this embodiment the electroencephalogram can be detected without being disturbed by the hair.
  • the comb teeth 3 of the plurality of comb-like members 2 are linearly aligned in the direction in which the plurality of comb-like members 2 are arranged, and thus a plurality of comb-like portions are arranged.
  • Each of the plurality of comb teeth portions 3 of the member 2 can be smoothly divided between the hairs without reaching the scalp while reaching the scalp without being caught by the hair.
  • the tips of the comb teeth 3 of the plurality of comb-shaped members 2 have a convex curved contour and the longitudinal direction of the comb-shaped member 2 is the thickness direction. Since each of the comb teeth 3 of the comb-like member 2 is divided between the head hairs and reaches the scalp, the tip of the comb teeth 3 is Since the scalp is smoothly contacted while moving in the extending direction of the convex curved surface, the electroencephalogram can be detected without damaging the subject's scalp or causing discomfort to the subject.
  • FIG. 2 is a perspective view showing another embodiment of the electroencephalogram detection electrode of the present invention.
  • the electroencephalogram detection electrode of this embodiment is different from the previous embodiment in the arrangement of the comb tooth portions 3 of the plurality of comb-like members 2, and is configured in the same manner as the previous embodiment in other points. Now, the differences will be mainly described.
  • the comb teeth 3 of the plurality of comb-like members 2 are alternately shifted in a staggered manner in the arrangement direction of the plurality of comb-like members 2.
  • the comb teeth 3 are alternately shifted in a staggered manner in the arrangement direction of the plurality of comb-like members 2, so that the contact position of the tips of the plurality of comb teeth 3 to the scalp of the subject is approximately. Since it is distributed at equal intervals, the brain waves can be detected more reliably.
  • the base member 1 and the comb-shaped member 2 are changed.
  • it is formed of a soft resin and coated with a highly conductive metal.
  • it may be formed of a hard resin and coated with a highly conductive metal, or may be formed of an elastic metal and conductive such as copper plating. You may coat
  • tip part of the comb-tooth part 3 of the comb-shaped member 2 was formed in the plate shape which has the convex-curved-shaped outline and made the longitudinal direction of the comb-shaped member 2 the thickness direction, It may be formed as desired.
  • the base member 1 and the comb-shaped member 2 were formed integrally, you may form them separately and couple
  • the electroencephalogram detection electrode of the present invention the electroencephalogram can be detected without being disturbed by the hair.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Abstract

La présente invention vise à fournir une électrode pour détecter des ondes cérébrales, grâce à laquelle il est possible de détecter des ondes cérébrales sans interférence à partir de cheveux. À cet effet, l'invention concerne une électrode qui est montée sur une tête et qui détecte des ondes cérébrales, caractérisée en ce que : l'électrode comprend un élément de base électroconducteur et une pluralité d'éléments électoconducteurs de type peigne installés verticalement sur l'élément de base, et par le fait que la pluralité d'éléments de type peigne sont agencés le long de l'élément de base dans une direction qui coupe la direction longitudinale des éléments de type peigne, et chacun de la pluralité d'éléments de type peigne a une pluralité de parties en dents de peigne alignées les unes avec les autres dans la direction longitudinale de l'élément de type peigne.
PCT/JP2016/056661 2015-03-05 2016-03-03 Électrode pour détecter des ondes cérébrales Ceased WO2016140325A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015043159A JP2016159065A (ja) 2015-03-05 2015-03-05 脳波検出用電極
JP2015-043159 2015-03-05

Publications (1)

Publication Number Publication Date
WO2016140325A1 true WO2016140325A1 (fr) 2016-09-09

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ID=56843682

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/056661 Ceased WO2016140325A1 (fr) 2015-03-05 2016-03-03 Électrode pour détecter des ondes cérébrales

Country Status (2)

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JP (1) JP2016159065A (fr)
WO (1) WO2016140325A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018175287A (ja) * 2017-04-11 2018-11-15 ニッタ株式会社 脳波測定用電極及びその製造方法
FR3077723A1 (fr) * 2018-02-15 2019-08-16 Centre National De La Recherche Scientifique Electroencephalographes portatifs
CN112043264A (zh) * 2020-10-10 2020-12-08 江苏集萃脑机融合智能技术研究所有限公司 一种自粘附固定的头皮脑电电极及脑电信号采集方法
CN114727786A (zh) * 2019-11-20 2022-07-08 奈克斯特曼德公司 用于脑电图的电极

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115349875B (zh) * 2022-08-05 2025-05-06 安徽七度生命科学集团有限公司 β脑波诱导方法、装置、系统及存储介质

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11332841A (ja) * 1998-05-29 1999-12-07 Rikagaku Kenkyusho 生体信号センサ
JP2003520094A (ja) * 2000-01-21 2003-07-02 インストルメンタリウム コーポレイション 医用電極
JP2006034429A (ja) * 2004-07-23 2006-02-09 Olympus Corp 脳波検出用電極装置
JP2006094979A (ja) * 2004-09-29 2006-04-13 Akio Kimura 脳波検出用電極及びヘッドセット型脳波測定装置
EP2172152A1 (fr) * 2008-10-06 2010-04-07 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO Électrode pour applications médicales
JP2013509906A (ja) * 2009-11-04 2013-03-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 使用者頭骨の電極位置決め装置
JP2013111361A (ja) * 2011-11-30 2013-06-10 Japan Health Science Foundation 脳波測定用電極、脳波測定用部材、及び、脳波測定装置
JP2014176748A (ja) * 2009-06-29 2014-09-25 Sony Corp 生体信号測定用装具

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11332841A (ja) * 1998-05-29 1999-12-07 Rikagaku Kenkyusho 生体信号センサ
JP2003520094A (ja) * 2000-01-21 2003-07-02 インストルメンタリウム コーポレイション 医用電極
JP2006034429A (ja) * 2004-07-23 2006-02-09 Olympus Corp 脳波検出用電極装置
JP2006094979A (ja) * 2004-09-29 2006-04-13 Akio Kimura 脳波検出用電極及びヘッドセット型脳波測定装置
EP2172152A1 (fr) * 2008-10-06 2010-04-07 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO Électrode pour applications médicales
JP2014176748A (ja) * 2009-06-29 2014-09-25 Sony Corp 生体信号測定用装具
JP2013509906A (ja) * 2009-11-04 2013-03-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 使用者頭骨の電極位置決め装置
JP2013111361A (ja) * 2011-11-30 2013-06-10 Japan Health Science Foundation 脳波測定用電極、脳波測定用部材、及び、脳波測定装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018175287A (ja) * 2017-04-11 2018-11-15 ニッタ株式会社 脳波測定用電極及びその製造方法
FR3077723A1 (fr) * 2018-02-15 2019-08-16 Centre National De La Recherche Scientifique Electroencephalographes portatifs
WO2019158534A1 (fr) * 2018-02-15 2019-08-22 Centre National De La Recherche Scientifique Electroencephalogaphes portatifs
EP4385411A3 (fr) * 2018-02-15 2024-09-18 Nextmind SAS Electroencephalogaphes portatifs
US12357216B2 (en) 2018-02-15 2025-07-15 Snap Inc. Portable electroencephalography devices
CN114727786A (zh) * 2019-11-20 2022-07-08 奈克斯特曼德公司 用于脑电图的电极
CN112043264A (zh) * 2020-10-10 2020-12-08 江苏集萃脑机融合智能技术研究所有限公司 一种自粘附固定的头皮脑电电极及脑电信号采集方法

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