KR101745423B1 - Multichannel EEG Measurement Device - Google Patents

Multichannel EEG Measurement Device Download PDF

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Publication number
KR101745423B1
KR101745423B1 KR1020150160985A KR20150160985A KR101745423B1 KR 101745423 B1 KR101745423 B1 KR 101745423B1 KR 1020150160985 A KR1020150160985 A KR 1020150160985A KR 20150160985 A KR20150160985 A KR 20150160985A KR 101745423 B1 KR101745423 B1 KR 101745423B1
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South Korea
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eeg
unit
headband
electrode
region
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KR1020150160985A
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Korean (ko)
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KR20170057889A (en
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박광석
이정수
김지훈
한정민
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서울대학교산학협력단
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    • A61B5/0476—
    • A61B5/0478—
    • 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
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/6803—Head-worn items, e.g. helmets, masks, headphones or goggles
    • 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
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6831—Straps, bands or harnesses

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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

A multi-channel EEG device is disclosed. A multi-channel brain wave measuring apparatus includes: a headband unit that can be worn to surround a person's head circumference; A plurality of EEG electrode insertion units having grooves formed in the headband unit to insert an EEG electrode; And an EEG electrode portion inserted into the EEG electrode insertion portion and contacting the human scalp.

Description

Multichannel EEG Measurement Device [0002]

The present invention relates to a multi-channel EEG measuring apparatus. More specifically, an embodiment of the present invention relates to a multi-channel EEG apparatus capable of measuring EEG waves simultaneously with wearing.

Electroencephalogram (EEG) is a graphical record of brain action potential. The electroencephalogram provides important information about the brain function of the patient. Conventional monitoring and diagnostic equipment is configured by mounting several electrodes on a subject that measure brain signals and transmit them to an amplifier through a cable.

In general, separate electrodes are used for each measurement variable and it is necessary to place a number of electrodes on the patient's head. Proper placement of the electrodes is important and generally follows the International 10/20 System, a widely accepted method of placing electrodes on the patient's head. As a result, EEG data are collected in clinical situations in which electrodes are properly placed with technical assistance.

Due to the nature of conventional methods applied to EEG, many cables are hanging on the patient. These cables are problematic in that they constrain patients and greatly limit freedom of action. Also, the process of properly positioning a large number of electrodes is time consuming and causes ineffective adhesion and loss of contact to the patient ' s scalp due to the numerous wires and electrodes.

One example is sleep polygraphy as a way to monitor sleep and find sleep related illnesses. The conventional multi-channel EEG used in the sleep polygraph test may interfere with the sleep of the patient and may influence the subsequent results of the test.

If the subject is able to monitor comfortably in the subject's home without limiting the freedom of action, the anxiety will be reduced and therefore more accurate results will be obtained. Thus, it would be desirable to facilitate the application of the electrodes by the patient without technical assistance and to provide high quality physiological data from a single active electrode, including, but not limited to, EEG, ECG, and EOG signals There is a need for a new and improved physiological data acquisition system and apparatus to collect.

On the other hand, brain waves can measure the electrical signals of the brain by attaching electrodes to the scalp. To measure these EEGs, various types of EEG electrodes and measurement systems have been developed and are generally simultaneously measured in multiple channels.

In existing multi-channel measurement systems, there is a disadvantage that it takes a lot of time and effort to prepare for measuring the EEG. For example, in the case of a wet electrode, it is necessary to attach each electrode at a position to be measured and inject a wet gel. Since this process is repeated for each channel, more time and effort are required as the number of channels increases.

On the other hand, in the case of the conventional dry electrode, it is necessary to repeat the process of hitching hair on all the channels. The inconvenience of wearing and the time consuming were limited to the application fields using the brain waves.

Japanese Patent Application Laid-Open No. 2006-094979

SUMMARY OF THE INVENTION The present invention provides a multi-channel EEG apparatus capable of measuring an EEG simultaneously with wearing of the EEG.

Another object of the present invention is to provide a multi-channel EEG apparatus capable of measuring EEG using a plurality of inverted U-shaped electrodes.

According to another aspect of the present invention, there is provided a multi-channel EEG apparatus capable of measuring EEG using a plurality of electrodes reflecting the bending of a head.

According to another aspect of the present invention, there is provided a multi-channel brain wave measuring apparatus comprising: a head band unit worn to surround a human head; A plurality of EEG electrode insertion units having grooves formed in the headband unit to insert an EEG electrode; And an EEG electrode portion inserted into the EEG electrode insertion portion and contacting the human scalp. The apparatus may further include an output unit for outputting an EEG signal sensed by the EEG electrode unit.

Here, the EEG electrode may include a plurality of inverted U-shaped electrodes. In addition, the EEG electrode unit can be detachably attached.

The headband portion may have a ring shape with one side opened, or may be a ring shape.

The headband unit may include a first region having a predetermined region to be mounted on the occipital lobe of the human being, a ring-shaped or ring-shaped ring having one side opened to connect the top of the first region, A second region; And a third region coupled to a top portion of the second region and mounted above the head of the person.

According to the multi-channel EEG measuring apparatus of the present invention, a plurality of electrodes can be formed and the EEG waves of each region can be measured at the same time. The electrodes can be directly contacted to the scalp through the U- It is possible to measure EEG waves simultaneously with wear, and more accurate EEG can be measured by reflecting the curvature of the two or more electrodes.

1 is a side view of a multi-channel EEG apparatus according to a first embodiment of the present invention.
2 is a side view of a multi-channel EEG apparatus according to a second embodiment of the present invention.
3 is a plan view of a multi-channel EEG apparatus according to a second embodiment of the present invention.
4 is a view showing an EEG electrode insertion unit and an EEG electrode unit according to an embodiment of the present invention.
5A and 5B illustrate the use of a multi-channel EEG apparatus according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to designate the same or similar components throughout the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather obvious or understandable to those skilled in the art.

Electroencephalogram (EEG) is a graphical record of brain action potential. The electroencephalogram provides important information about the brain function of the patient. Conventional monitoring and diagnostic equipment is configured by mounting several electrodes on a subject that measure brain signals and transmit them to an amplifier through a cable.

In general, separate electrodes are used for each measurement variable and it is necessary to place a number of electrodes on the patient's head. Proper placement of the electrodes is important and generally follows the International 10/20 System, a widely accepted method of placing electrodes on the patient's head. As a result, EEG data are collected in clinical situations in which electrodes are properly placed with technical assistance.

Due to the nature of conventional methods applied to EEG, many cables are hanging on the patient. These cables are problematic in that they constrain patients and greatly limit freedom of action. Also, the process of properly positioning a large number of electrodes is time consuming and causes ineffective adhesion and loss of contact to the patient ' s scalp due to the numerous wires and electrodes.

One example is sleep polygraphy as a way to monitor sleep and find sleep related illnesses. The conventional multi-channel EEG used in the sleep polygraph test may interfere with the sleep of the patient and may influence the subsequent results of the test.

If the subject is able to monitor comfortably in the subject's home without limiting the freedom of action, the anxiety will be reduced and therefore more accurate results will be obtained. Thus, it would be desirable to facilitate the application of the electrodes by the patient without technical assistance and to provide high quality physiological data from a single active electrode, including, but not limited to, EEG, ECG, and EOG signals There is a need for a new and improved physiological data acquisition system and apparatus to collect.

On the other hand, brain waves can measure the electrical signals of the brain by attaching electrodes to the scalp. To measure these EEGs, various types of EEG electrodes and measurement systems have been developed and are generally simultaneously measured in multiple channels.

In existing multi-channel measurement systems, there is a disadvantage that it takes a lot of time and effort to prepare for measuring the EEG. For example, in the case of a wet electrode, it is necessary to attach each electrode at a position to be measured and inject a wet gel. Since this process is repeated for each channel, more time and effort are required as the number of channels increases.

On the other hand, in the case of the conventional dry electrode, it is necessary to repeat the process of hitching the hair due to the sharp electrode. The inconvenience of wearing and the time consuming were limited to the application fields using the brain waves. Accordingly, there is a demand for a multi-channel EEG device capable of measuring EEG waves simultaneously with wearing as in the present invention.

1 is a side view of a multi-channel EEG apparatus according to a first embodiment of the present invention.

Referring to FIG. 1, the multi-channel EEG apparatus 100 may include a headband unit 10, an EEG electrode insertion unit 20, and an EEG electrode unit 30. The multi-channel EEG apparatus 100 may further include an output unit for outputting an EEG signal sensed by the EEG electrode unit 30. [

First, the headband portion 10 is formed so as to surround the head of a person and can be worn. In addition, the headband portion 10 may be in the form of a ring, or may be in the form of a ring with one side open. The headband portion 10 can change the shape and length of the perimeter according to the shape of the head of a person. Such a headband portion 10 has elasticity and elasticity so as to be worn on a person's head and can be brought into close contact with a person's head.

In addition, the headband portion 10 may include a first region 11, a second region 12, and a third region 13.

To describe each area of the headband unit 10 in more detail, the first area 11 may have a certain area to be mounted on the occiput of a person. The second region 12 may be connected to the upper end of the first region 11 and may be formed in a ring shape to surround the head of a person or in the form of a ring having one side opened. Also, the third region 13 may be configured to be connected to a portion of the upper end of the second region 12 and mounted on the head of the person.

Next, the EEG electrode insertion unit 20 may be a groove formed to insert an EEG electrode inside the headband unit 10. The EEG electrode insertion unit 20 may be composed of a plurality of EEG electrodes.

Next, the EEG electrode unit 30 may be inserted into the EEG electrode insertion unit 20 and contact the human scalp. In addition, the EEG electrode unit 30 may be an inverted U-shaped arcuate shape. Such an inverted U-shaped electrode minimizes the disturbance of the hair and can reach the scalp directly, so that the multi-channel EEG 100 can measure the EEG simultaneously with wearing it. In other words, EEG can be measured at the same time without wearing the preparation process.

In addition, the EEG electrode unit 30 can be detachably attached, and EEG electrodes of various heights can be inserted into the EEG electrode insertion units 20. That is, a plurality of height-controlled EEG electrodes may be inserted into the EEG electrode insertion unit 20 to reflect the bending of the head. Thus, the multi-channel EEG apparatus 100 can measure a more accurate EEG and can provide a more comfortable feeling.

In addition, one EEG electrode unit 30 may be formed of a plurality of inverted U-shaped metal members constituting an EEG electrode.

FIG. 2 is a side view of a multi-channel EEG apparatus according to a second embodiment of the present invention, and FIG. 3 is a plan view of a multi-channel EEG apparatus according to a second embodiment of the present invention. The multi-channel EEG apparatus 100 may further include an output unit for outputting an EEG signal sensed by the EEG electrode unit 30. [

2 and 3, the multi-channel EEG apparatus 100 may include a headband unit 10, an EEG electrode insertion unit 20, and an EEG electrode unit 30, as in the embodiment of FIG. have. The multi-channel EEG apparatus 100 may further include an output unit for outputting an EEG signal sensed by the EEG electrode unit 30. [

The headband portion 10 may be formed to surround the head of a person and may be worn. In addition, the headband portion 10 may be in the form of a ring, or may be in the form of a ring with one side open. The headband portion 10 can change the shape and length of the perimeter according to the shape of the head of a person. Such a headband portion 10 has elasticity and elasticity so as to be worn on a person's head and can be brought into close contact with a person's head.

Next, the EEG electrode insertion unit 20 may be a groove formed to insert an EEG electrode inside the headband unit 10. The EEG electrode insertion unit 20 may be composed of a plurality of EEG electrodes. In addition, the EEG electrode insertion unit 20 may be formed on the scalp region to be measured. For example, in the embodiment of FIG. 1, a plurality of EEG electrode insertion units 20 are provided in an inner portion of the headband unit 10 that contacts the occipital lobe, and one embodiment of FIGS. 2 and 3 includes a headband unit 10 As shown in Fig.

Next, the EEG electrode unit 30 may be inserted into the EEG electrode insertion unit 20 and contact the human scalp. In addition, the EEG electrode unit 30 may be an inverted U-shaped arcuate shape. Such an inverted U-shaped electrode minimizes the disturbance of the hair and can reach the scalp directly, so that the multi-channel EEG 100 can measure the EEG simultaneously with wearing it. In other words, EEG can be measured at the same time without wearing the preparation process.

In addition, the EEG electrode unit 30 can be detachably attached, and EEG electrodes of various heights can be inserted into the EEG electrode insertion units 20. That is, a plurality of height-controlled EEG electrodes may be inserted into the EEG electrode insertion unit 20 to reflect the bending of the head. Thus, the multi-channel EEG apparatus 100 can measure a more accurate EEG and can provide a more comfortable feeling.

In addition, one EEG electrode unit 30 may be formed of a plurality of inverted U-shaped metal members constituting an EEG electrode.

4 is a view showing an EEG electrode insertion unit and an EEG electrode unit according to an embodiment of the present invention.

Referring to FIG. 4, the EEG electrode 30 may be inserted into the EEG electrode insertion unit 20, and the inserted EEG electrode unit 30 may be removed from the EEG electrode insertion unit 20. That is, the EEG electrode unit 30 can be detached and attached. As the electroencephalogram electrode unit 30 is detached and attached, a height-adjusted EEG electrode can be inserted into each of the EEG electrode insertion units 20 according to the bending of the head.

5A and 5B illustrate the use of a multi-channel EEG apparatus according to an embodiment of the present invention.

Referring to FIGS. 5A and 5B, the multi-channel EEG apparatus 100 can be easily mounted on a human head while minimizing disturbance of the hair.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation in the embodiment in which said invention is directed. It will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

10: Headband part
11: First area
12: second region
13: third region
20: EEG electrode insertion portion
30: EEG electrode part
100: Multichannel EEG device

Claims (7)

A headband unit worn around the head of a person;
A plurality of EEG electrode insertion units fixed to the headband unit and having grooves formed in the headband unit to insert EEG electrodes; And
And an EEG electrode unit which is inserted into and fixed to the EEG electrode insertion unit, one side of which is in contact with the headband unit and the other side of which is in contact with the human scalp,
Lt; / RTI >
The EEG electrode unit includes:
The electrode includes a plurality of metal members in an inverted U-shape, and is detachable through the groove of the EEG electrode insertion portion.
Wherein the plurality of EEG electrodes (10,
Wherein the height of the electrode decreases as the front portion of the headband portion approaches the rear region of the headband portion mounted on the occiput of the person.
delete delete The method according to claim 1,
The headband unit includes:
And a ring-shaped one side is opened.
The method according to claim 1,
The headband unit includes:
Channel EEG measurement device.
The method according to claim 1,
And an output unit for outputting an EEG signal sensed by the EEG electrode unit.
The method according to claim 1,
The headband unit includes:
A first region having a predetermined region to be mounted on the occiput of the person;
A ring-shaped phosphor 2 region connected to an upper end of the first region and having a ring shape or one side opened to surround the head of the person;
And a third region connected to an upper end portion of the second region and mounted on an upper side of the human head.
KR1020150160985A 2015-11-17 2015-11-17 Multichannel EEG Measurement Device KR101745423B1 (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101987536B1 (en) * 2017-06-19 2019-06-10 가천대학교 산학협력단 Apparatus for measuring electroencephalogram and method for measuring electroencephalogram using the same
CN111887842A (en) * 2019-05-05 2020-11-06 中国科学院半导体研究所 Electroencephalogram electrode head
KR102634090B1 (en) * 2021-07-20 2024-02-05 아주대학교산학협력단 Head cap for simultaneous measurement of EEG and cerebral blood flow using transcranial doppler

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006094979A (en) * 2004-09-29 2006-04-13 Akio Kimura Electrode for electroencephalographic detection and head set type electroencephalograph
KR101031507B1 (en) * 2010-07-28 2011-04-29 (주)아이맥스 A portable measuring instrument of electroencephalograph and control system
KR101542115B1 (en) * 2014-06-13 2015-08-12 최정우 Head Cap for measuring electro-encephalogram

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006094979A (en) * 2004-09-29 2006-04-13 Akio Kimura Electrode for electroencephalographic detection and head set type electroencephalograph
KR101031507B1 (en) * 2010-07-28 2011-04-29 (주)아이맥스 A portable measuring instrument of electroencephalograph and control system
KR101542115B1 (en) * 2014-06-13 2015-08-12 최정우 Head Cap for measuring electro-encephalogram

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