JPS6021741A - Brain wave potential detecting method and apparatus - Google Patents
Brain wave potential detecting method and apparatusInfo
- Publication number
- JPS6021741A JPS6021741A JP58129097A JP12909783A JPS6021741A JP S6021741 A JPS6021741 A JP S6021741A JP 58129097 A JP58129097 A JP 58129097A JP 12909783 A JP12909783 A JP 12909783A JP S6021741 A JPS6021741 A JP S6021741A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- electroencephalogram potential
- glue
- electroencephalogram
- electrodes
- 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.)
- Granted
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
従来、脳波を測定するために、ヘルメットに２０〜３０
本の電極を取付けて行なう方法が例えば実公昭４９−５
４３８号彦どこよって知られている。ところが、最近は
、脳波電位分布図を得るために、１００〜５００本もの
電極を使用する必要が生じてきている。このように、電
極数が極端に多くなると、以下のような条件を具備する
ことが必要となってきた。[Detailed Description of the Invention] Conventionally, in order to measure brain waves, 20 to 30
For example, the method of attaching book electrodes is
It is known as Hiko No. 438. However, recently, it has become necessary to use as many as 100 to 500 electrodes to obtain an electroencephalogram. As described above, when the number of electrodes becomes extremely large, it becomes necessary to satisfy the following conditions.
（１） 電極取付は時間が早いこと。(1) Electrodes should be installed quickly.
（２） 頭髪があっても、接触抵抗値が充分低いこと。(2) Even if there is hair on the head, the contact resistance value must be sufficiently low.
（３）分極電圧が低いこと。(3) Low polarization voltage.
（４）隣接する電極間の短絡がないこと。(4) There is no short circuit between adjacent electrodes.
（５）測定後の電極の洗浄が容易であること。(5) The electrodes should be easy to clean after measurement.
本発明は以上のような条件を満足するものを得るために
なされたもので、ヘルメット状の電極ホルダに、導電性
で管状の電極クリップを数百個設け、この電極クリップ
に管状の電極を１本ずつ差込み、全体を被覆カバーで覆
ってその上から電極群をゆすりながら頭皮に接触させ、
電極群が頭皮に接触したのを確認した後、導電性の電極
のりを注入して頭皮と電極を電気的に結合するようにし
たものである。このような方法および構成とすることに
より、数百個の電極が確実がっ正確に頭皮に結合され、
またその作業も容易で能率的である。The present invention was made in order to obtain something that satisfies the above conditions, and consists of providing several hundred conductive tubular electrode clips on a helmet-shaped electrode holder, and attaching one tubular electrode to each electrode clip. Insert the book one by one, cover the whole with a cover, and shake the electrode group from above to make contact with the scalp.
After confirming that the electrode group has contacted the scalp, conductive electrode glue is injected to electrically connect the scalp and the electrodes. With this method and configuration, hundreds of electrodes can be reliably and accurately connected to the scalp.
Moreover, the work is easy and efficient.
以下本発明による脳波電位検出装置の一実施例を図面に
基づいて説明する。An embodiment of the electroencephalogram potential detection device according to the present invention will be described below with reference to the drawings.
第１図は一部拡大した縦断面図である。この図において
、（１）はヘルメット形の電極ホルダで、この電極ホル
ダ（１）は、外側の硬質ペース殻（２）と、内側の軟質
殻（３）と、ベース殻（２）に固着したバンド（４）と
からなり、前記ベース殻（２）と軟質殻（３）には、測
定部位に直角な数百個の電極クリップ取付孔（５）が穿
設されている。前記ベース殻（２）は、ブラヌテック等
の比較的固く絶縁性を有する素材を使用して、頭部（６
）への着脱が容易なように少し大きめに形成する。この
ペース殻（２）の内側面には前記軟質殻（３）がその全
面に固着されており、この軟質殻（３）はスポンジのよ
うな柔らかい素材で形成されている。FIG. 1 is a partially enlarged longitudinal sectional view. In this figure, (1) is a helmet-shaped electrode holder, which is fixed to an outer hard pace shell (2), an inner soft shell (3), and a base shell (2). The base shell (2) and the soft shell (3) are provided with hundreds of electrode clip attachment holes (5) perpendicular to the measurement site. The base shell (2) is made of a relatively hard and insulating material such as Blanutec, and the head (6) is
) is made slightly larger so that it can be easily attached and detached. The soft shell (3) is fixed to the entire inner surface of the pace shell (2), and the soft shell (3) is made of a soft material such as a sponge.
なお、前記ベース殻（２）を構成するのにゴム等の柔軟
な素材を使用した場合には、軟質殻（３）は必ずしも設
けなくてもよい。前記ベース殻（２）と軟質殻（３）に
、数闘からｌ ｃｍ間隔で貫通穿設された前記電極クリ
ップ取付孔（５）には燐青銅に銀メッキして構成された
電極クリップ（７）が挿入固着されている。この電極ク
リップ（７）は内径約４關程度の円管状で、その上端部
の鍔部（８）は、ペース殻（２）に接着等により固着さ
れ、下端部は内径２〜３ＩｏＩになるように内方に絞ら
れた小径部（９）が形成されている。またこの小径部（
９）側から軸線方向に数条のスリン）（１１）が切られ
ている。この電極クリップ（７）の鍔部（８）にはリー
ド線Ｕυが結合され、このリード線ａυは５０本単位程
度にまとめられ、それぞれコネクタαり・・・を介して
ＬＥＤなどからなる表示器（１３１に連結されている。Note that when a flexible material such as rubber is used to construct the base shell (2), the soft shell (3) does not necessarily need to be provided. The electrode clip attachment holes (5), which are drilled through the base shell (2) and the soft shell (3) at intervals of several to 1 cm, are provided with electrode clips (7) made of phosphor bronze plated with silver. ) is inserted and fixed. This electrode clip (7) is shaped like a circular tube with an inner diameter of approximately 4 mm, and its upper end flange (8) is fixed to the pace shell (2) by adhesive or the like, and the lower end has an inner diameter of 2 to 3 IoI. A small diameter portion (9) is formed which is narrowed inward. Also, this small diameter part (
Several threads (11) are cut in the axial direction from the 9) side. Lead wires Uυ are connected to the flange (8) of this electrode clip (7), and these lead wires aυ are grouped into units of about 50, and each is connected to an indicator consisting of an LED or the like via a connector α. (Connected to 131.
αａは、前記電極クリップ（７）内に挿入される電極で
、この電極α（イ）は外径が前記小径部（９）の内径よ
りやや大きな２〜３關で、内径が０．５〜１．５龍程度
で、長さが電極クリップ（７）の長さより充分長い円管
状をなし、頭皮（６）に当接する先端部は被検者に激痛
を与えないため略半球状に形成されている。またこの先
端から２〜３Ｋｍ程度の個所は接触抵抗を小さくするた
め塩化銀メッキによりメッキα９が施されている。さら
に、この電極Ｉの外周には、電極クリップ（７）との接
触をよくし、かつ簡単に抜けることのないように、山形
状、鋸歯状などの凹凸０Ｄを形成する。αｅは頭皮（６
）と電極α４）間の電気抵抗を小さくし、かつ分極電圧
を低下させるペースト状の導電性電極のりで、また、（
Ｉｎは電極側を頭皮（６）に接触させるときにゆすりな
がら挿入するための柔軟な素材より成るクッションであ
る。αa is an electrode inserted into the electrode clip (7), and this electrode α(a) has an outer diameter slightly larger than the inner diameter of the small diameter portion (9) by 2 to 3 degrees, and an inner diameter of 0.5 to 3 mm. It has a circular tube shape with a length of about 1.5 mm and is sufficiently longer than the length of the electrode clip (7), and the tip that contacts the scalp (6) is approximately hemispherical so as not to cause severe pain to the subject. ing. Further, a portion approximately 2 to 3 km from the tip is plated α9 with silver chloride to reduce contact resistance. Further, on the outer periphery of this electrode I, unevenness 0D such as a mountain shape or a sawtooth shape is formed to improve contact with the electrode clip (7) and prevent it from coming off easily. αe is the scalp (6
) and electrode α4) with a paste-like conductive electrode glue that reduces the electrical resistance and reduces the polarization voltage.
In is a cushion made of a flexible material that is inserted while shaking when bringing the electrode side into contact with the scalp (6).
次に電極を装着する方法を説明する。Next, a method for attaching the electrodes will be explained.
まず、電極クリップ（７）の有する電極ホルダ（１）を
被検者の頭皮（６）に被せ、バンド（４）を顎にかけて
しっかりと固定する。First, the electrode holder (1) of the electrode clip (7) is placed over the subject's scalp (6), and the band (4) is placed over the chin and firmly fixed.
次に電極ａ（イ）を１本ずつ電極クリップ（７）に挿入
して頭皮（６）の近くまで軽く押し込む。このとき電極
α４は小径部（９）で弾力を持って挾持され電気的に結
合されるとともに、脱落しない状態となる。このように
して総ての電極群圓・・・を挿入した後、クッションａ
ηを電極群０不・・・の上から被せ、電極群αを・・・
をゆすりつつ上から押圧する。そして電極群α滲・・・
と頭皮（６）の接触抵抗が１ＭΩ以下になるように頭皮
（６）に軽く押し付ける。押し付けた後、表示器ａ３に
僅かの時間通電して表示し、完全に接触したかどうかを
確認する。すべての電極群αを・・・が接触したのを確
認してからクッション（１７）を取外し、電極のり０６
）を注射針Ｕによって電極Ｉに注入する。電極のりσ０
が電極θ（イ）の先端から一部吐出すると、電極のり（
１６）は頭皮（６）と電極０（イ）間を電気的に結合し
、接触抵抗を５ＯＫΩ以下に維持する。Next, insert the electrodes a (a) one by one into the electrode clips (7) and push them lightly close to the scalp (6). At this time, the electrode α4 is elastically held and electrically coupled by the small diameter portion (9), and is in a state in which it does not fall off. After inserting all the electrode groups in this way, insert the cushion a
Place η on top of electrode group 0..., and cover electrode group α...
Shake and press from above. And the electrode group α...
and the scalp (6) so that the contact resistance of the scalp (6) is 1 MΩ or less. After pressing, the display a3 is energized for a short period of time to display a message to confirm whether or not the contact has been made completely. After confirming that all electrode groups α are in contact with..., remove the cushion (17), and remove the electrode glue 06.
) is injected into the electrode I using the injection needle U. Electrode glue σ0
When a portion of the material is discharged from the tip of the electrode θ (a), the electrode glue (
16) electrically connects the scalp (6) and electrode 0 (a) to maintain contact resistance at 5 OKΩ or less.
このようにして電極Ｉを頭皮（６）に接触したら、不関
電極（耳電極）と関電極（その他の電極）間の脳波電位
の分布状態を検出する。When the electrode I is brought into contact with the scalp (6) in this manner, the distribution state of the electroencephalogram potential between the indifferent electrode (ear electrode) and the related electrode (other electrodes) is detected.
前記実施例では、電極のり（１０を注射針αｍを使用し
て注入するようにしたが、これに限られるものでなく第
４図に示すように圧搾空気を使用してもよい。即ち、予
め電極のりａｏを充填した電極αａを、前述の方法で頭
皮（６）に所定の接触抵抗値以下になるまで押圧接触し
た後、ポンプａ９から管（イ）を介して電極Ｉに圧搾空
気を送り込み、この空気圧により電極のり（１６）を電
極α滲から一部吐出させ、電極（１４）と頭皮（６）間
を電気的に結合させる。このようにすれば電極のりＱ６
１の注入作業が容易である。In the above embodiment, the electrode glue (10) was injected using the injection needle αm, but the invention is not limited to this, and compressed air may be used as shown in FIG. After pressing and contacting the electrode αa filled with electrode glue ao with the scalp (6) in the above-described manner until the contact resistance value is below a predetermined value, compressed air is sent from the pump a9 to the electrode I via the pipe (A). By this air pressure, a part of the electrode glue (16) is discharged from the electrode α, and the electrode (14) and the scalp (6) are electrically connected.In this way, the electrode glue Q6
1. The injection work is easy.
本発明は以上のような方法および構成としたのる場合で
も、その操作が容易かつ確実で、しかも装着時間が短く
作業性にすぐれている。Even when the present invention employs the method and structure described above, the operation is easy and reliable, the installation time is short, and the workability is excellent.
（２） 電極が電極クリップで保持されるので電極相互
間が接触して短絡するようなことがない。(2) Since the electrodes are held by electrode clips, there is no possibility that the electrodes will come into contact with each other and cause a short circuit.
（３）電極が頭皮に接触したのを確認してから、電極の
りを注入して電気的に接続するので、接触抵抗値を可及
的に小さくすることができるとともに分極電圧も小さく
でき正確な脳波電位が検出できる。(3) After confirming that the electrodes have contacted the scalp, electrode glue is injected to make an electrical connection, which makes it possible to reduce the contact resistance as much as possible, and also to reduce the polarization voltage to ensure accurate EEG potentials can be detected.
（４）電極は個々に着脱可能でかつ円管状であるから、
使用後の洗浄がきわめて容易である。(4) Since the electrodes are individually removable and have a cylindrical shape,
It is extremely easy to clean after use.
第１図は、本発明による脳波電位検出装置の一実施例を
示す一部拡大した縦断面図、第２図は同上の電極及び電
極クリップの拡大断面図、第３図は同上電極のりを圧搾
空気で注入する場合の実施例を示す断面図である。
（１）・・・電極ホルダ、（２）・・・ベース殻、（３
）・・・軟質数、（４）・・・バンド、（５）・・・電
極クリップ取付孔、（６）・・・頭皮、（７）・・・電
極クリップ、（８）・・・鍔部、（９）・・・小径部、
ＱＱ）・・・スリン）、（１１）・・・リード線、（１
２１川コネクタ、０３１・・・表示器、０４１・・・電
極、α９・・・メッキ、（１６１・・・電極のり、（Ｉ
７）・・・クッション、ａ９・・・注射針、αト・・ポ
ンプ、（イ）・・・管、（２１）・・・凹凸。
特許出願人 永島医科器械株式会社FIG. 1 is a partially enlarged vertical sectional view showing an embodiment of the electroencephalogram potential detection device according to the present invention, FIG. 2 is an enlarged sectional view of the electrode and electrode clip, and FIG. 3 is a compressed electrode glue. FIG. 3 is a cross-sectional view showing an example in which air is injected. (1)...electrode holder, (2)...base shell, (3
)... Soft number, (4)... Band, (5)... Electrode clip mounting hole, (6)... Scalp, (7)... Electrode clip, (8)... Tsuba. part, (9)...small diameter part,
QQ)... Surin), (11)... Lead wire, (1
21 River connector, 031... Display unit, 041... Electrode, α9... Plating, (161... Electrode glue, (I
7)...Cushion, a9...Syringe needle, α...Pump, (A)...Tube, (21)...Irregularities. Patent applicant Nagashima Medical Instruments Co., Ltd.
Claims (7)
電性電極クリップに、管状の電極を１本ずつ電気的に接
触させつつ貫通させ、この電極の上がらクッションを被
せて電極群をゆすりつつ押圧し、その後電極のりを注入
して脳波電位を検出するようにしたことを特徴とする脳
波電位検出方法。(1) Tubular electrodes are passed through a large number of conductive electrode clips provided on a helmet-shaped electrode holder while electrically contacting them one by one, and a cushion is placed on top of the electrodes, and the electrode group is pressed while shaking. A method for detecting electroencephalogram potential, characterized in that the electroencephalogram potential is detected by subsequently injecting electrode glue.
特許請求の範囲第１項記載の脳波電位検出方法。(2) The electroencephalogram potential detection method according to claim 1, wherein the electrode glue is injected into the electrode using an injection needle.
込んだ後、空気圧によって電極の先端がら一部吐出せし
めるようにした特許請求の範囲第１項記載の脳波電位検
出方法。(3) The electroencephalogram potential detection method according to claim 1, wherein the electrode pre-filled with electrode glue is inserted into the electrode clip, and then a portion of the tip of the electrode is discharged by air pressure.
裏を貫通して設けられた導電性を有する管状の多数の電
極クリップと、この電極クリップに電気的に接触しつつ
着脱自在に差込まれる管状の電極と、この電極内に注入
される導電性の電極のりとを具備してなることを特徴と
する脳波電位検出装置゛。(4) A helmet-shaped electrode holder, a number of electrically conductive tubular electrode clips that penetrate through the front and back of the boulder, and a tubular electrode that is detachably inserted while electrically contacting the electrode clips. 1. An electroencephalogram potential detection device comprising: an electrode; and conductive electrode glue injected into the electrode.
部を形成するとともに軸方向にスリットを形成してなる
特許請求の範囲第４項記載の脳波電位検出装置。(5) The electroencephalogram potential detecting device according to claim 4, wherein the electrode clip has a small diameter portion narrowed inwardly at the tip thereof and a slit in the axial direction.
質殻の２層としてなる特許請求の範囲第４項又は第５項
記載の脳波電位検出装置。(6) The electroencephalogram potential detection device according to claim 4 or 5, wherein the electrode holder has two layers: an outer hard base acid and an inner soft shell.
に接続してなる特許請求の範囲第４項、第５項又は第６
項記載の脳波電位検出装置。 分布を検出する場合の、脳波電位検出方法及びその装置
に関するものである。(7) Claims 4, 5 or 6, wherein the electrode clip is connected to an indicator that displays the contact state of the electrodes.
The electroencephalogram potential detection device described in . The present invention relates to an electroencephalogram potential detection method and an apparatus for detecting electroencephalogram potential distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58129097A JPS6021741A (en) | 1983-07-15 | 1983-07-15 | Brain wave potential detecting method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58129097A JPS6021741A (en) | 1983-07-15 | 1983-07-15 | Brain wave potential detecting method and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6021741A true JPS6021741A (en) | 1985-02-04 |
| JPH0120898B2 JPH0120898B2 (en) | 1989-04-19 |
Family
ID=15000997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58129097A Granted JPS6021741A (en) | 1983-07-15 | 1983-07-15 | Brain wave potential detecting method and apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6021741A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6438922A (en) * | 1987-08-01 | 1989-02-09 | Nobuo Sumida | Manufacture of high conductor using metal-metal oxide composite system |
| JPH0198605U (en) * | 1987-12-22 | 1989-06-30 | ||
| JPH0678888A (en) * | 1991-05-31 | 1994-03-22 | Agency Of Ind Science & Technol | Electrode fixing device for impedance measurement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS495438Y1 (en) * | 1970-02-16 | 1974-02-07 | ||
| JPS50100387U (en) * | 1974-01-17 | 1975-08-20 | ||
| JPS5281981A (en) * | 1975-12-28 | 1977-07-08 | Tsuyoshi Kajiyama | Electrode device for electroencephalogram |
| JPS5421085A (en) * | 1977-07-18 | 1979-02-16 | Mills Harold | Device for rapidly guiding and recording patient*s electrocardiogram front chest |
| JPS57112846A (en) * | 1980-12-31 | 1982-07-14 | Norio Akamatsu | Electrocardiograph meter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS495438U (en) * | 1972-04-18 | 1974-01-18 |
-
1983
- 1983-07-15 JP JP58129097A patent/JPS6021741A/en active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS495438Y1 (en) * | 1970-02-16 | 1974-02-07 | ||
| JPS50100387U (en) * | 1974-01-17 | 1975-08-20 | ||
| JPS5281981A (en) * | 1975-12-28 | 1977-07-08 | Tsuyoshi Kajiyama | Electrode device for electroencephalogram |
| JPS5421085A (en) * | 1977-07-18 | 1979-02-16 | Mills Harold | Device for rapidly guiding and recording patient*s electrocardiogram front chest |
| JPS57112846A (en) * | 1980-12-31 | 1982-07-14 | Norio Akamatsu | Electrocardiograph meter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6438922A (en) * | 1987-08-01 | 1989-02-09 | Nobuo Sumida | Manufacture of high conductor using metal-metal oxide composite system |
| JPH0198605U (en) * | 1987-12-22 | 1989-06-30 | ||
| JPH0453764Y2 (en) * | 1987-12-22 | 1992-12-17 | ||
| JPH0678888A (en) * | 1991-05-31 | 1994-03-22 | Agency Of Ind Science & Technol | Electrode fixing device for impedance measurement |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0120898B2 (en) | 1989-04-19 |
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