WO2020147027A1 - Capuchon de collecte d'électroencéphalogramme - Google Patents

Capuchon de collecte d'électroencéphalogramme Download PDF

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Publication number
WO2020147027A1
WO2020147027A1 PCT/CN2019/071894 CN2019071894W WO2020147027A1 WO 2020147027 A1 WO2020147027 A1 WO 2020147027A1 CN 2019071894 W CN2019071894 W CN 2019071894W WO 2020147027 A1 WO2020147027 A1 WO 2020147027A1
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WIPO (PCT)
Prior art keywords
headband
brain
liquid storage
storage device
metal
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Ceased
Application number
PCT/CN2019/071894
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English (en)
Chinese (zh)
Inventor
陈晓苏
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Individual
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Individual
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Priority to PCT/CN2019/071894 priority Critical patent/WO2020147027A1/fr
Publication of WO2020147027A1 publication Critical patent/WO2020147027A1/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]

Definitions

  • the utility model relates to the technical field of brain electricity collection, in particular to a brain electricity collection cap.
  • EEG collection needs to meet two conditions: the first one needs to moisten the scalp, the resistance of the dry scalp is huge, and the EEG collection cannot be performed. After the scalp is moistened, the collection conditions can be met; the second condition is the entire process of EEG collection. The smaller the resistance in the system, the higher the acquisition accuracy and the more stable the electrical signal.
  • the most important thing in the EEG acquisition technology is the EEG acquisition cap.
  • the existing EEG acquisition cap is similar to a swimming cap.
  • the electrodes are all metal pieces embedded in the corresponding points.
  • the metal pieces are used to collect EEG signals.
  • the metal electrode is not easy to pass through the hair. Therefore, when performing brain electricity collection, it is necessary to fill the gap between the metal electrode and the scalp with a conductive paste after wearing the brain electricity collection cap.
  • the existing EEG acquisition cap has the following shortcomings:
  • EEG collection points are required.
  • EEG cap points are fixed. If the user needs fewer points, he can only purchase a multi-point EEG cap. Increase unnecessary costs.
  • the existing EEG hats are relatively single in position, which cannot meet all experimental data collection, and multiple EEG hats need to be purchased, which increases the experimental cost.
  • the utility model provides one.
  • An EEG acquisition cap including a frame and a plurality of brain electrodes moving on the frame;
  • the frame includes a full-circular headband with a cross section and a semi-circular headband with a crown;
  • the full-circular headband and the semi-circular headband are respectively scaled and zoomed through a stepless shrinking device;
  • the two ends of the semi-annular headband are respectively fixed on the entire annular headband;
  • the tail of the brain electrode is provided with a liquid storage device, and the head of the brain electrode is provided with a plurality of grippers, and each gripper has a conductive contact point where the gripper contacts the scalp, and the conductive contact is communicated with the liquid storage device.
  • the stepless shrinking device includes a hollow first sliding block and a first positioning knob, and the headband slides in the first sliding block and is restricted and fixed by the first positioning knob.
  • connecting part between the tail and the head of the brain electrode, and the connecting part is threadedly connected with the liquid storage device at the tail and the head with a gripper, and the connecting part is movably connected with the headband through a cantilever.
  • One end of the cantilever is fixedly connected to the connecting part by a screw, and the other end of the cantilever is provided with a second sliding block which slides on the headband and is fixed by a second positioning knob.
  • one end of the liquid storage device has a water outlet
  • the outer wall of the water outlet has an external thread
  • one end of the connecting part has an internal thread matching the external thread.
  • the number of the brain electrodes is set to be multiple, which are distributed on the front side and the back side of the brain electricity collecting cap.
  • the conductive contact has multiple holes or single holes.
  • the conductive contact is made of metal or non-metal conductive material, or a conductive material mixed with metal and non-metal, or a mixed metal or non-metal conductive fabric material.
  • the brain electricity collection cap provided by the utility model realizes the adjustment of the size of the headband on the cross section and the coronal plane through a plurality of stepless shrinking devices, which can adapt to various head sizes, and adopts a semi-wet electrode design and a liquid storage device. It is easy to pass through the hair and form good contact with the scalp. It is ergonomically designed and practical.
  • FIG. 1 is a schematic diagram of the structure of an EEG acquisition cap provided by an embodiment of the utility model
  • FIG. 2 is a schematic diagram 1 of the structure of the brain electrode provided by the embodiment of the present invention.
  • FIG. 3 is a second schematic diagram of the structure of the brain electrode provided by the embodiment of the present invention.
  • an EEG collecting cap of the present invention includes a frame and a plurality of brain electrodes moving on the frame;
  • the frame includes a cross-sectional full-circle headband 1 and a coronal half-circle headband 2;
  • the full-circular headband 1 and the semi-circular headband 2 are respectively scaled by a stepless shrinking device;
  • the two ends of the semi-annular headband 2 are respectively fixed on the entire annular headband 1;
  • the tail of the brain electrode is provided with a liquid storage device 3, the head of the brain electrode has a plurality of grippers 4, and each gripper 4 has a conductive contact 5 where the gripper 4 contacts the scalp.
  • the conductive contact 5 is connected to the liquid storage device. 3 Connected internally.
  • the EEG acquisition cap realizes the adjustment of the headband size in the cross section and the coronal plane through multiple stepless shrinking devices, and can adapt to various head sizes.
  • it adopts semi-wet electrode design and adopts storage
  • the liquid device can easily pass through the hair and make good contact with the scalp. Because the conductive liquid at the end of the electrode can wet the electrode head all the way, the electrode head can moisturize the scalp for a long time, reduce the resistance of the scalp, and improve the bioelectric signal Its stability and accuracy are in line with ergonomic design. Since the conductive paste is no longer used, one person can complete the wearing while wearing, and save a lot of wearing time. After use, there is no need to wash your hair.
  • the frame of the headband can be made of flexible and tough materials such as hard plastic, stainless steel, etc., which can padded the inside of the EEG cap and can be used when lying down, or it will not damage the EEG cap when wearing other equipment.
  • the body adopts a frame structure, which minimizes the contact area of the head, improves air permeability and comfort, and prevents the main structure of the electrode cap from being damaged by external forces.
  • the stepless shrinking device includes a hollow first sliding block 6 and a first positioning knob 7.
  • the whole ring headband 1 and the half ring headband 2 are cut into two sections at the stepless shrinking device, and they overlap each other.
  • the ground slides in the first sliding block 6 and is fixed by the first positioning knob 7.
  • a connecting portion 8 between the tail and the head of the brain electrode, and the connecting portion 8 is threadedly connected with the tail liquid storage device 3 and the head with the gripper 4, and the connecting portion 8 is connected by a cantilever.
  • 9 is movably connected to the headband, one end of the cantilever 9 is fixedly connected to the connecting portion 8 by screws, and the other end of the cantilever 9 has a second slider 10, which slides on the headband and passes through the second positioning knob 11 fixed.
  • one end of the liquid storage device 3 has a water outlet
  • the outer wall of the water outlet has an external thread
  • one end of the connecting part 8 has an internal thread that matches the external thread, which can be quickly disassembled and refilled in the liquid storage device in time. Liquid.
  • the number of the brain electrodes is set to be multiple, which are distributed on the front side and the back side of the brain electricity collecting cap.
  • the number of brain electrodes on the EEG cap can be installed as required, saving costs, and can be changed at any time according to actual point requirements, which is very convenient.
  • the conductive contact 5 has multiple holes or single holes.
  • the conductive contact 5 is made of metal or a non-metal conductive material, or a conductive material mixed of metal and non-metal, or a mixed metal or non-metal conductive fabric material.
  • the utility model completely solves the problems of long wearing time of the original technology, which cannot be worn by a single person, the size is not suitable and cannot be adjusted, and the cleaning is complicated after use, so that the EEG technology can be developed into the foundation of mass consumer products.

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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 concerne un capuchon de collecte d'électroencéphalogramme, appartenant au domaine technique de la collecte d'électroencéphalogramme. Les problèmes, tels que celui de ne pas être capable d'ajuster sa taille, et le port et le nettoyage sont gênants, dans l'état de la technique sont résolus. Le capuchon de collecte d'électroencéphalogramme comprend un cadre et une pluralité d'électrodes cérébrales reliées de manière mobile au cadre, le cadre comprenant un arceau de tête entièrement annulaire (1) à section transversale, et un arceau de tête semi-annulaire (2) à section coronale ; l'arceau de tête entièrement annulaire (1) et l'arceau de tête semi-annulaire (2) réalisant respectivement l'extension et la rétractation à l'aide d'un dispositif de rétractation continue ; deux extrémités de l'arceau de tête semi-annulaire (2) étant respectivement fixées à l'arceau de tête entièrement annulaire (1) ; et une extrémité de queue de chaque électrode cérébrale est pourvue d'un dispositif de stockage de liquide (3), une extrémité de tête de chaque électrode cérébrale est pourvue d'une pluralité de dispositifs de saisie (4), un contact conducteur (5) est disposé à la position, en contact avec le cuir chevelu, de chaque dispositif de saisie (4), et le contact conducteur (5) communique avec l'intérieur du dispositif de stockage de liquide (3). Le capuchon de collecte d'électroencéphalogramme peut s'adapter à divers types de tailles de tête, et en même temps, comme le dispositif de stockage de liquide (3) est utilisé, le capuchon de collecte d'électroencéphalogramme peut facilement pénétrer dans les cheveux et effectuer un bon contact avec le cuir chevelu, se conformant ainsi aux règles de conception ergonomique et ayant une bonne aptitude à la mise en œuvre.
PCT/CN2019/071894 2019-01-16 2019-01-16 Capuchon de collecte d'électroencéphalogramme Ceased WO2020147027A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/071894 WO2020147027A1 (fr) 2019-01-16 2019-01-16 Capuchon de collecte d'électroencéphalogramme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/071894 WO2020147027A1 (fr) 2019-01-16 2019-01-16 Capuchon de collecte d'électroencéphalogramme

Publications (1)

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WO2020147027A1 true WO2020147027A1 (fr) 2020-07-23

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PCT/CN2019/071894 Ceased WO2020147027A1 (fr) 2019-01-16 2019-01-16 Capuchon de collecte d'électroencéphalogramme

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113456080A (zh) * 2021-05-25 2021-10-01 北京机械设备研究所 一种干湿通用型传感电极及其应用方法
CN118845043A (zh) * 2024-09-26 2024-10-29 浙江普可医疗科技有限公司 多通道脑电采集帽及脑电信号采集系统
CN120167978A (zh) * 2025-04-21 2025-06-20 桂林师范高等专科学校 一种手推注膏式脑电头环
CN120241099A (zh) * 2025-04-15 2025-07-04 杭州皓世天辉科技有限公司 一种具有保护结构的医用脑电头戴

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US20120190959A1 (en) * 2009-06-29 2012-07-26 Sony Corporation Biosignal measurement device
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CN104068853A (zh) * 2014-06-28 2014-10-01 苏州格林泰克科技有限公司 一种生物电电极
CN104224166A (zh) * 2013-06-07 2014-12-24 上海帝仪科技有限公司 基于导电液的湿电极
CN104470423A (zh) * 2013-03-14 2015-03-25 尼尔森（美国）有限公司 用于收集和分析脑电图数据的方法和设备
CN107174240A (zh) * 2017-06-02 2017-09-19 江苏博恩医疗科技有限公司 一种便携式多导联脑电图电极帽
WO2018078091A1 (fr) * 2016-10-28 2018-05-03 Urgotech Dispositif d'acquisition de signaux d'activite cerebrale
WO2018102825A1 (fr) * 2016-12-02 2018-06-07 Zeto, Inc. Casque d'électro-encéphalographie et système de collecte de données de biosignal
CN108742604A (zh) * 2018-06-19 2018-11-06 苏州修普诺斯医疗器械有限公司 头戴式脑电采集终端以及脑电采集方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120190959A1 (en) * 2009-06-29 2012-07-26 Sony Corporation Biosignal measurement device
CN104470423A (zh) * 2013-03-14 2015-03-25 尼尔森（美国）有限公司 用于收集和分析脑电图数据的方法和设备
CN104224166A (zh) * 2013-06-07 2014-12-24 上海帝仪科技有限公司 基于导电液的湿电极
CN203802460U (zh) * 2014-01-09 2014-09-03 昆明理工大学 一种脑机接口脑电头盔
CN104068853A (zh) * 2014-06-28 2014-10-01 苏州格林泰克科技有限公司 一种生物电电极
WO2018078091A1 (fr) * 2016-10-28 2018-05-03 Urgotech Dispositif d'acquisition de signaux d'activite cerebrale
WO2018102825A1 (fr) * 2016-12-02 2018-06-07 Zeto, Inc. Casque d'électro-encéphalographie et système de collecte de données de biosignal
CN107174240A (zh) * 2017-06-02 2017-09-19 江苏博恩医疗科技有限公司 一种便携式多导联脑电图电极帽
CN108742604A (zh) * 2018-06-19 2018-11-06 苏州修普诺斯医疗器械有限公司 头戴式脑电采集终端以及脑电采集方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113456080A (zh) * 2021-05-25 2021-10-01 北京机械设备研究所 一种干湿通用型传感电极及其应用方法
CN113456080B (zh) * 2021-05-25 2024-06-11 北京机械设备研究所 一种干湿通用型传感电极及其应用方法
CN118845043A (zh) * 2024-09-26 2024-10-29 浙江普可医疗科技有限公司 多通道脑电采集帽及脑电信号采集系统
CN120241099A (zh) * 2025-04-15 2025-07-04 杭州皓世天辉科技有限公司 一种具有保护结构的医用脑电头戴
CN120167978A (zh) * 2025-04-21 2025-06-20 桂林师范高等专科学校 一种手推注膏式脑电头环

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