JPS5933361Y2 - 電極パッド - Google Patents

電極パッド

Info

Publication number
JPS5933361Y2
JPS5933361Y2 JP1980033948U JP3394880U JPS5933361Y2 JP S5933361 Y2 JPS5933361 Y2 JP S5933361Y2 JP 1980033948 U JP1980033948 U JP 1980033948U JP 3394880 U JP3394880 U JP 3394880U JP S5933361 Y2 JPS5933361 Y2 JP S5933361Y2
Authority
JP
Japan
Prior art keywords
electrode
pad
electrode pad
hydrogel
water
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.)
Expired
Application number
JP1980033948U
Other languages
English (en)
Other versions
JPS56135706U (ja
Inventor
克弘 山本
勝雄 松本
善幸 岡田
Original Assignee
日東電工株式会社
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 日東電工株式会社 filed Critical 日東電工株式会社
Priority to JP1980033948U priority Critical patent/JPS5933361Y2/ja
Priority to US06/301,861 priority patent/US4515162A/en
Publication of JPS56135706U publication Critical patent/JPS56135706U/ja
Application granted granted Critical
Publication of JPS5933361Y2 publication Critical patent/JPS5933361Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/24Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25Bioelectric electrodes therefor
    • A61B5/251Means for maintaining electrode contact with the body
    • A61B5/257Means for maintaining electrode contact with the body using adhesive means, e.g. adhesive pads or tapes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/24Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25Bioelectric electrodes therefor
    • A61B5/251Means for maintaining electrode contact with the body
    • A61B5/257Means for maintaining electrode contact with the body using adhesive means, e.g. adhesive pads or tapes
    • A61B5/259Means for maintaining electrode contact with the body using adhesive means, e.g. adhesive pads or tapes using conductive adhesive means, e.g. gels
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/02Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02Organic macromolecular compounds, natural resins, waxes or and bituminous materials
    • C08L2666/14Macromolecular compounds according to C08L59/00 - C08L87/00; Derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00Compositions of epoxy resins; Compositions of derivatives of epoxy resins

Description

【考案の詳細な説明】 本考案は身体面からの電気信号を電極パッドを通して心
電図記録装置や脳波記録装置などの電気記録装置に伝え
る電極パッドに関するものである。
これらの物品において、電極と身体面との密着状態を保
持するために、バンド、粘着テープなどが使用されてい
たが電気的ノイズが多く発生するために、ペースト状の
導電性クリームが用いられるようになった。
該クリームの使用は、ノイズ解消には効果的であるが、
取扱い特に使用後の身体面又は電極面残留クリームの処
理が煩雑であるという問題がある。
近侍多孔性キャリヤ中にポリビニルアルコールを架橋又
はゲル化したヒドロゲルを浸透状態で保持した導電性ゲ
ルパッドと電極とを組み合せた電極パッドが提案されて
いるが、ヒドロゲルの凝集力が小さい(そのためにキャ
リヤがゲル保持体として使用されている)ために、使用
後身体面にヒドロゲルが残留付着するものである。
本考案の電極パッドは、身体面と電極との間に空隙が形
成されることなく全面的に密着すると共に安定した記録
が通電開好と共に得られ、しかも取扱いが至便である。
以下本考案の実例を図面を用いて具体的に説明する。
図面において、1はリード線、2は金属製電極、3は粘
着性架橋型含水ゲルパッドである。
該パッド3はポリアクリル酸及び/又はポリアクリル酸
塩例えばポリアクリル酸ナトリウム、ポリアクリル酸カ
リウム、ポリアクリル酸アンモニウムなどと、架橋成分
としてのトリグリシジルイソシアネート、ポリニジレン
ゲリコールジグリシジルエーテル、エチレングリコール
ジグリシジルエーテル、グリセリンジグリシジルエーテ
ル、グリセリントリグリシジルエーテルの如き分子中に
少なくとも2個のエポキシ基を有する化合物と水と、必
要に応じてグリセリン、プロピレングリコール、ポリプ
ロピレングリコール、エチレングリコール、ポリエチレ
ンクリコール、ジエチレングコール、トリエチレングリ
コールの如き多価アルコールを配合してなるものであっ
て、更にこれに電解物質、PH調整剤、可撓性付与剤の
如き配合物質を加えてなる粘着性架橋型含水ゲルは、身
体面に対する粘着性がより良好で、しかも電導性が良好
なので、特に好ましい電極パッドを得ることができる。
なお含水ゲル中の水は5〜95重量%の割合で含有させ
ることができ、水は電解物質例えば塩化ナトリウム、塩
化カリウムなどを溶解して良好な電解相を構成し、含水
ゲルに好ましい電導性を付与するものである。
本考案の電極パッドは、電極の身体面接触側にポリアク
リル酸及び/又はポリアクリル酸塩と水と分子中に少な
くとも2個のエポキシ基を有する化合物とから構成した
粘着性架橋型含水ゲルパッドを設けたから、電極と身体
面との間に空隙を形成することがなく確実に粘着するば
かりか、水を含有するから電解物質と相乗作用によって
電導性が良好であるという特徴を有する。
しかも分子中に2個のエポキシ基を有する化合物で架橋
したので架橋密度が高く凝集性にすぐれているので使用
後身体面にゲルの一部が残留することがないという実用
上天なる利点を有する。
【図面の簡単な説明】
図面は本考案の実例を示す概略断面図である。 2・・・・・・電極、3・・・・・・粘着性架橋型含水
ゲルパッド。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電極と、該電極に接続したポリアクリル酸及び/又はポ
    リアクリル酸塩と水と分子中に少なくとも2個のエポキ
    シ基を有する化合物とからなる粘着性架橋型含水ゲルパ
    ッドとからなる電極パッド。
JP1980033948U 1980-03-14 1980-03-14 電極パッド Expired JPS5933361Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1980033948U JPS5933361Y2 (ja) 1980-03-14 1980-03-14 電極パッド
US06/301,861 US4515162A (en) 1980-03-14 1981-09-14 Electrode pad

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980033948U JPS5933361Y2 (ja) 1980-03-14 1980-03-14 電極パッド

Publications (2)

Publication Number Publication Date
JPS56135706U JPS56135706U (ja) 1981-10-14
JPS5933361Y2 true JPS5933361Y2 (ja) 1984-09-18

Family

ID=12400722

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980033948U Expired JPS5933361Y2 (ja) 1980-03-14 1980-03-14 電極パッド

Country Status (2)

Country Link
US (1) US4515162A (ja)
JP (1) JPS5933361Y2 (ja)

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Also Published As

Publication number Publication date
JPS56135706U (ja) 1981-10-14
US4515162A (en) 1985-05-07

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