JP2002035141A - Bio-electrode, method for manufacturing the same, clothing with bio-electrode, electrocardiograph, low frequency therapeutic instrument and high frequency therapeutic instrument - Google Patents
Bio-electrode, method for manufacturing the same, clothing with bio-electrode, electrocardiograph, low frequency therapeutic instrument and high frequency therapeutic instrumentInfo
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- JP2002035141A JP2002035141A JP2000231980A JP2000231980A JP2002035141A JP 2002035141 A JP2002035141 A JP 2002035141A JP 2000231980 A JP2000231980 A JP 2000231980A JP 2000231980 A JP2000231980 A JP 2000231980A JP 2002035141 A JP2002035141 A JP 2002035141A
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- Prior art keywords
- electrode
- living body
- clothing
- cloth
- chitosan
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- 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.)
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Landscapes
- Electrotherapy Devices (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、ヒトの皮膚にな
じみ易く、長期間に渡り使用できる生体用電極、生体用
電極の製造方法、生体用電極付き着衣、心電図測定器、
低周波治療器又は高周波治療器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a biological electrode, a method of manufacturing a biological electrode, a clothing with a biological electrode, an electrocardiograph,
It relates to a low frequency treatment device or a high frequency treatment device.
【０００２】[0002]
【従来の技術】現代社会においてはストレスによる突然
死や過労死等が増加しており、健康に対する自己管理、
特に日常の健康管理が重要であるといわれている。この
ような個人の健康管理の一つとして、心機能を把握する
心電図を長期間に渡って連続的に記録することが行われ
ており、該心電図を測定する装置として、「ホルター心
電計」や「腕時計型携帯用心電計」等が開発され、使用
されている。これらを用いて心電図を連続的に記録する
ことにより、自律神経失調症や心筋梗塞等が発症する前
の状態、また、心臓突然死の兆候等を把握することがで
き、予防医学においても有益であることが明らかにされ
ている。2. Description of the Related Art In the modern society, sudden death and overwork death due to stress are increasing, and self-management for health,
In particular, it is said that daily health management is important. As one of such personal health management, continuous recording of an electrocardiogram for grasping cardiac function for a long period of time has been performed. As a device for measuring the electrocardiogram, a "Holter electrocardiograph" is used. And "watch-type portable electrocardiographs" have been developed and used. By continuously recording the electrocardiogram using these, it is possible to grasp the state before the onset of autonomic imbalance, myocardial infarction, etc., as well as the signs of sudden cardiac death, which is also useful in preventive medicine. It has been revealed that there is.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、心電図
の測定においては被験者の皮膚に電極を接触させておく
必要があるが、従来の固形型金属電極では、電極による
物理的な刺激による皮膚の発赤、かゆみや、接触性皮膚
炎を惹き起こし、長期間に渡り皮膚に電極を接触させて
おくことが困難であった。However, in the measurement of an electrocardiogram, it is necessary to keep the electrode in contact with the skin of the subject. However, in the case of a conventional solid metal electrode, redness of the skin due to physical stimulation by the electrode, It caused itching and contact dermatitis, and it was difficult to keep the electrode in contact with the skin for a long period of time.
【０００４】また、日常生活における被験者の動作によ
り皮膚の形状は様々に変化するため、従来の固形型金属
電極では皮膚との接触面の変化に十分に対応できず、被
験者の動作により、電極と皮膚との接触面積が小さくな
り、心電図の測定結果に大きな影響を与えるという問題
もあった。[0004] Further, since the shape of the skin changes variously depending on the operation of the subject in daily life, the conventional solid metal electrode cannot sufficiently cope with the change of the contact surface with the skin. There is also a problem that the contact area with the skin is reduced, which greatly affects the measurement result of the electrocardiogram.
【０００５】一方、患者の皮膚に電気的な刺激を与え、
肩こり、神経痛、筋肉痛等の治療を行うものとして低周
波治療器や高周波治療器が知られており、該低周波治療
器等も日常において使用される機会が増えたことによ
り、携帯型のものが普及してきている。On the other hand, electrical stimulation is applied to the patient's skin,
Low-frequency therapy devices and high-frequency therapy devices are known to treat stiff shoulders, neuralgia, muscle pain, etc. Is becoming popular.
【０００６】しかしながら、従来の低周波治療器等にお
いては、電気的な刺激を与える電極を、肩や腰等の患部
ごとに貼り直して使用しなければならないという煩わし
さがあった。また、患部の形状や患者の動作によっては
該電極を皮膚に完全に密着することができなくなり、電
気的な刺激を与えることが困難になるという問題もあっ
た。[0006] However, in the conventional low-frequency treatment device and the like, there is an inconvenience that an electrode for applying electric stimulation must be re-applied to each affected part such as a shoulder or a waist and used. Further, depending on the shape of the affected part and the operation of the patient, the electrode cannot be completely brought into close contact with the skin, and there is a problem that it is difficult to apply electric stimulation.
【０００７】この発明は、以上のような事情や問題点に
鑑みてなされたものであり、被験者の動作や患部の様々
な形状に柔軟に対応して皮膚に密着し、かつ、皮膚との
親和性が高く、長期間に渡って連続使用できる生体用電
極、生体用電極の製造方法、生体用電極付き着衣、心電
図測定器、及び、低周波治療器又は高周波治療器を提供
することを目的とする。The present invention has been made in view of the above-mentioned circumstances and problems, and is capable of flexibly coping with the movements of a subject and various shapes of an affected part, and having close compatibility with the skin. High potential, a biological electrode that can be used continuously for a long period of time, a method of manufacturing a biological electrode, clothing with a biological electrode, an electrocardiogram measuring device, and a low-frequency or high-frequency therapeutic device. I do.
【０００８】[0008]
【課題を解決するための手段】前記目的を達成するため
になされた本発明の請求項１に係る生体用電極は、布地
と、キトサン又はキトサン誘導体から構成され、前記布
地の表面を覆うシーリング層と、前記シーリング層に積
層された導電層とを具備してなるものである。According to a first aspect of the present invention, there is provided a biological electrode comprising a fabric and chitosan or a chitosan derivative, and a sealing layer covering a surface of the fabric. And a conductive layer laminated on the sealing layer.
【０００９】また、本発明（請求項２）は、請求項１記
載の生体用電極において、前記導電層は金又は銀から構
成されてなるものである。According to the present invention (claim 2), in the biomedical electrode according to claim 1, the conductive layer is made of gold or silver.
【００１０】本発明の請求項３に係る生体用電極の製造
方法は、布地をキトサン又はキトサン誘導体を溶解させ
てなる前処理液に浸漬し、又は、布地の表面に前記前処
理液を塗布した後、該布地を乾燥させる前処理工程と、
前処理された布地に金属めっきを施す金属めっき工程と
を含んでなるものである。According to a third aspect of the present invention, in the method for manufacturing a biological electrode, the cloth is immersed in a pretreatment liquid obtained by dissolving chitosan or a chitosan derivative, or the pretreatment liquid is applied to the surface of the cloth. Thereafter, a pretreatment step of drying the fabric,
A metal plating step of applying metal plating to the pretreated fabric.
【００１１】また、本発明（請求項４）は、請求項３記
載の生体用電極の製造方法において、前記金属めっき工
程は、前処理された布地に金めっき又は銀めっきを施す
ものである。According to a fourth aspect of the present invention, in the method for manufacturing a biomedical electrode according to the third aspect, the metal plating step is performed by applying gold plating or silver plating to the pretreated fabric.
【００１２】本発明の請求項５に係る生体用電極付き着
衣は、請求項１記載の生体用電極が、その裏面の所望の
位置に形成されてなるものである。According to a fifth aspect of the present invention, there is provided a garment with a living body electrode, wherein the living body electrode according to the first aspect is formed at a desired position on the back surface.
【００１３】本発明の請求項６に係る心電図測定器は、
請求項５記載の生体用電極付き着衣と、該生体用電極付
き着衣の生体用電極により検出された電気信号を増幅し
て増幅電気信号を生成する増幅発信手段と、該増幅電気
信号に基づいて心電図を記録する記録手段とを具備して
なるものである。[0013] The electrocardiogram measuring device according to claim 6 of the present invention comprises:
A clothing with a living body electrode according to claim 5, amplification means for amplifying an electric signal detected by the living body electrode of the clothing with the living body electrode to generate an amplified electric signal, and based on the amplified electric signal. Recording means for recording an electrocardiogram.
【００１４】本発明の請求項７に係る低周波治療器又は
高周波治療器は、パルス状の刺激電流を発生させる電流
発生手段と、該刺激電流を前記生体用電極により生体に
通電する請求項５記載の生体用電極付き着衣とを具備し
てなるものである。According to a seventh aspect of the present invention, there is provided the low-frequency therapeutic device or the high-frequency therapeutic device, wherein a current generating means for generating a pulse-like stimulation current, and the stimulation current is supplied to the living body by the living body electrode. And the clothing with the electrode for living body described above.
【００１５】[0015]
【発明の実施の形態】以下、本発明の実施形態について
説明する。Embodiments of the present invention will be described below.
【００１６】図１は、本発明の第１実施形態に係る生体
用電極１００の断面の構成を示すものであり、図に示す
ように、本生体用電極１００は、布地１０１と、キトサ
ン又はキトサン誘導体から構成され、前記布地の表面を
覆うシーリング層１０２と、金から構成され、前記シー
リング層に積層された導電層１０３とを具備してなる。FIG. 1 shows the configuration of a cross section of a living body electrode 100 according to a first embodiment of the present invention. As shown in the drawing, the living body electrode 100 comprises a cloth 101, chitosan or chitosan. It comprises a sealing layer 102 made of a derivative and covering the surface of the cloth, and a conductive layer 103 made of gold and laminated on the sealing layer.
【００１７】布地１０１の材質は特に限定されるもので
はなく、肌着等に用いられる一般的なもの、例えば、木
綿、絹、麻、ポリエステルやレーヨン等の化学繊維を使
用することができる。また、布地１０１の形状も使用目
的に応じて自由に裁断することができ、例えば心電図測
定用として、心臓付近の胸部に接触するような適当な大
きさの円形状のものとしても、手首の周囲と接触するよ
うな短冊状のものとしてもよい。さらに、布地１０１
は、織布、不織布の別を問わず、また、伸縮性を有する
ゴム編み状のものであってもよい。The material of the fabric 101 is not particularly limited, and general materials used for underwear and the like, for example, chemical fibers such as cotton, silk, hemp, polyester and rayon can be used. The shape of the cloth 101 can also be freely cut according to the purpose of use. It is good also as a strip-shaped thing which contacts. Further, the cloth 101
Regardless of whether it is a woven or non-woven fabric, it may be a rubber-knitted material having elasticity.
【００１８】シーリング層１０２を構成するキトサン
は、キチン（β−ポリ−Ｎ−アセチル−Ｄ−グルコサミ
ン）を濃アルカリ溶液と加熱、又はカリ融解をして脱ア
セチル化した生成物で、β−ポリ−Ｄ−グルコサミンで
ある。なお、キチンは、カニ等の節足動物の皮膚、軟体
動物殻、菌類の細胞膜等の重要な成分をなす含窒素多糖
でムコ多糖の一種である。また、キトサン誘導体として
は、カルボキシルメチルキトサン、グリコールキトサン
等を採用することができる。キトサン及びキトサン誘導
体は高分子物質であるため、布地１０１がキトサン又は
キトサン誘導体から構成されるシーリング層１０２に覆
われることにより、その後に積層される金めっき液を布
地１０１が吸収することを防止でき、また、シーリング
層１０２上には、均一な導電層１０３が形成される。The chitosan constituting the sealing layer 102 is a product obtained by deacetylating chitin (β-poly-N-acetyl-D-glucosamine) with a concentrated alkali solution or by heating or melting potassium to obtain β-poly-N-acetyl-D-glucosamine. -D-glucosamine. Chitin is a kind of mucopolysaccharide, a nitrogen-containing polysaccharide that is an important component such as arthropod skin such as crabs, mollusk shells, and fungal cell membranes. Further, as the chitosan derivative, carboxymethyl chitosan, glycol chitosan or the like can be employed. Since chitosan and the chitosan derivative are high-molecular substances, the cloth 101 is covered with the sealing layer 102 composed of chitosan or the chitosan derivative, so that it is possible to prevent the cloth 101 from absorbing the gold plating solution to be subsequently laminated. Further, a uniform conductive layer 103 is formed on the sealing layer 102.
【００１９】導電層１０３は、前記シーリング層１０２
上に、金が無電解めっき（化学吸着）等により積層され
たものである。導電層１０３の厚さは、布地１０１の柔
軟性を失わせないような薄膜とすることが好ましい。The conductive layer 103 is formed of the sealing layer 102.
On top, gold is laminated by electroless plating (chemical adsorption) or the like. The thickness of the conductive layer 103 is preferably a thin film that does not lose the flexibility of the fabric 101.
【００２０】なお、導電層１０３には、金以外にも銀、
白金、銅、ニッケル等の導電性材料を用いることができ
る。The conductive layer 103 includes silver,
A conductive material such as platinum, copper, and nickel can be used.
【００２１】つぎに、前記生体用電極１００の製造方法
について説明する。本生体用電極１００の製造方法は、
布地１０１にシーリング層１０２を形成するための前処
理工程と、シーリング層１０２上に導電層１０３を積層
する金属めっき工程とを含んでなる。Next, a method of manufacturing the biological electrode 100 will be described. The method for manufacturing the present biological electrode 100 includes:
The method includes a pre-treatment step for forming the sealing layer 102 on the cloth 101 and a metal plating step for laminating the conductive layer 103 on the sealing layer 102.
【００２２】以下、各工程ごとに詳細に説明するに、前
処理工程において、まず、布地１０１を使用目的に応じ
て適当な大きさに裁断し、該裁断された布地１０１を、
キトサン又はキトサン誘導体を酢酸溶液に溶解させてな
る前処理液に浸漬させる。浸漬時間は布地１０１の材質
等により異なるが、木綿であれば数分間程度でよい。そ
の後、布地１０１を前記前処理液から引き上げて、加温
又は温風により布地１０１を乾燥させる。これにより、
布地１０１の表面にシーリング層１０２が形成される。Hereinafter, each step will be described in detail. In the pretreatment step, first, the cloth 101 is cut into an appropriate size according to the purpose of use, and the cut cloth 101 is
Chitosan or a chitosan derivative is immersed in a pretreatment liquid prepared by dissolving the chitosan in an acetic acid solution. The immersion time varies depending on the material of the cloth 101 and the like, but may be about several minutes for cotton. Thereafter, the fabric 101 is pulled up from the pretreatment liquid, and the fabric 101 is dried by heating or warm air. This allows
A sealing layer 102 is formed on the surface of the fabric 101.
【００２３】なお、布地１０１を前記前処理液に浸漬さ
せる代わりに、布地１０１の表面に前記前処理液を噴霧
又は塗布した後、乾燥させることとしてもよい。この方
法によれば、布地１０１の一部や所望の部分にのみキト
サン等による前処理を行うことが可能となる。Instead of immersing the fabric 101 in the pretreatment liquid, the pretreatment liquid may be sprayed or applied to the surface of the fabric 101 and then dried. According to this method, it is possible to perform pretreatment with chitosan or the like only on a part of the cloth 101 or a desired part.
【００２４】また、前記前処理液は、キトサン又はキト
サン誘導体を酢酸溶液に溶解させてなるものとしたが、
キトサン等を溶解させる溶媒は特に酢酸溶液に限定され
るものではなく、その他の希酸溶液を用いることとして
もよい。The pretreatment liquid is prepared by dissolving chitosan or a chitosan derivative in an acetic acid solution.
The solvent for dissolving chitosan and the like is not particularly limited to an acetic acid solution, and other dilute acid solutions may be used.
【００２５】つぎに金属めっき工程において、布地１０
１を金めっき浴に浸漬して無電解めっきを行う。これに
より、前記シーリング層１０２上に金からなる導電層１
０３が積層される。なお、金めっきにより構成される導
電層１０３の厚さは、布地１０１の柔軟性を損なわない
程度のものとする。Next, in the metal plating step, the cloth 10
1 is immersed in a gold plating bath to perform electroless plating. Thus, the conductive layer 1 made of gold is formed on the sealing layer 102.
03 are stacked. Note that the thickness of the conductive layer 103 formed by gold plating is set to a value that does not impair the flexibility of the fabric 101.
【００２６】このようにして得られた生体用電極１００
は、布地１０１の柔軟性により、被験部や患部の如何な
る形状にも対応して密着することができ、かつ、被験者
等の動作にも対応して変形することができるという利点
がある。さらに、導電層１０２に金を用いているので、
生体との親和性が極めてよく、金属アレルギー等を惹き
起こすこともないという利点もある。The biological electrode 100 thus obtained
Is advantageous in that it can adhere to any shape of the test part and the affected part by the flexibility of the cloth 101 and can be deformed in response to the movement of the subject or the like. Further, since gold is used for the conductive layer 102,
It has the advantage that it has a very good affinity with the living body and does not cause metal allergy or the like.
【００２７】なお、本実施の形態における金属めっき工
程では、シーリング層１０２上に直接金を無電解めっき
して導電層１０３を積層するものとしたが、シーリング
層１０２上に銅やニッケルを無電解めっきした後、その
上に金を電解めっきにより積層して導電層１０３を形成
するようにしてもよい。In the present embodiment, in the metal plating step, gold is electrolessly plated directly on the sealing layer 102 to laminate the conductive layer 103, but copper or nickel is electrolessly plated on the sealing layer 102. After plating, gold may be laminated thereon by electrolytic plating to form the conductive layer 103.
【００２８】また、本実施の形態における金属めっき工
程では、布地１０１を金めっき浴に浸漬して導電層１０
３を積層するものとしたが、金を含有するめっき液をシ
ーリング層１０２上に噴霧し、又は塗布すること等によ
り導電層１０３を形成するようにしてもよい。噴霧や塗
布等の方法を採用すれば、布地１０１の一部や所望の部
分にのみ生体用電極１００を形成することも可能とな
る。Further, in the metal plating step in the present embodiment, the cloth 101 is immersed in a gold plating bath to form the conductive layer 10.
3, the conductive layer 103 may be formed by spraying or applying a plating solution containing gold on the sealing layer 102. If a method such as spraying or application is adopted, it becomes possible to form the biomedical electrode 100 only on a part of the cloth 101 or a desired part.
【００２９】つぎに、本発明の第２実施形態について説
明する。本発明の第２実施形態に係る生体用電極付き着
衣２００は、肌着等の着衣２０１の所望の位置に、第１
実施形態と同様の生体用電極２０２を形成してなるもの
である。Next, a second embodiment of the present invention will be described. The clothing 200 with the electrode for living body according to the second embodiment of the present invention is provided with a first clothing at a desired position of clothing 201 such as underwear.
This is obtained by forming a biological electrode 202 similar to that of the embodiment.
【００３０】本生体用電極付き着衣２００に用いる着衣
２０１は、肌着、シャツ、パジャマ等、直接皮膚に接触
する類のものであれば何でもよいが、生体用電極２０２
を複数配設する場合には、該生体用電極２０２間で短絡
が生ずることを防止するために導電性のない素材のもの
が好適である。また、生体用電極２０２は、第１実施形
態と同様に、着衣２０１の裏面の所望の位置にシーリン
グ層を形成し、該シーリング層上に導電層を積層するこ
とにより形成される。上述したように、前処理液及びめ
っき液を着衣２０１の所望の位置に噴霧又は塗布するこ
とにより、生体用電極２０２を着衣２０１の所望の部分
にのみ形成することができる。The clothing 201 used in the clothing 200 with a living body electrode may be any kind of clothing, such as underwear, a shirt, pajamas, etc., as long as it comes into direct contact with the skin.
When a plurality of are disposed, a material having no conductivity is preferable in order to prevent a short circuit from occurring between the biological electrodes 202. In addition, similarly to the first embodiment, the living body electrode 202 is formed by forming a sealing layer at a desired position on the back surface of the clothing 201 and laminating a conductive layer on the sealing layer. As described above, the biological electrode 202 can be formed only on a desired portion of the clothing 201 by spraying or applying the pretreatment solution and the plating solution to desired locations on the clothing 201.
【００３１】該生体用電極２０２を形成する位置は、生
体用電極付き着衣２００の使用目的に応じて自由に設定
することができる。例えば、心電図測定用に用いる場合
には、図２に示すように、着衣２０１の前身ごろ裏面の
胸部近辺及び手首周囲に生体用電極２０２を形成する。
一方、低周波治療に用いる場合には、図３に示すよう
に、着衣２０１の後身ごろ裏面の肩部及び腰部に生体用
電極２０２を形成する。The position where the living body electrode 202 is formed can be freely set according to the purpose of use of the clothing 200 with living body electrode. For example, when used for measurement of an electrocardiogram, as shown in FIG. 2, the living body electrode 202 is formed around the chest and around the wrist on the back of the front of the clothing 201.
On the other hand, when used for low-frequency treatment, as shown in FIG. 3, a living body electrode 202 is formed on the shoulder and the waist of the back of the clothing 201.
【００３２】このように、本生体用電極付き着衣２００
によれば、心電図の被験者等に生体用電極を意識させる
ことなく、生体用電極２０２が被験者の皮膚に密着した
状態を安定的に保持することができるので、心電図の測
定を長期に渡り連続的に行う場合において、被験者の動
作が制限されることがなく、被験者の負担を軽減するこ
とができる。また、低周波治療時においても同様に、患
者の動作が制限されることがない。As described above, the clothing 200 with the living body electrode is provided.
According to this, the state in which the living body electrode 202 is in close contact with the skin of the subject can be stably maintained without making the subject or the like of the electrocardiogram aware of the living body electrode. In this case, the operation of the subject is not limited, and the burden on the subject can be reduced. Similarly, during low-frequency treatment, the patient's operation is not limited.
【００３３】なお、図４に示すように、前記生体用電極
２０２の周囲にゴム編み部１０を設けて、生体用電極２
０２を盛り上げるような形状とすれば、生体用電極２０
２と被験者等の皮膚との密着性を向上させることができ
る。As shown in FIG. 4, a rubber knitting portion 10 is provided around the living body electrode 202 to
02, the shape of the living body electrode 20
2 and the skin of a subject or the like can be improved in adhesion.
【００３４】また、本実施の形態に係る生体用電極付き
着衣２００では、着衣２０１の裏面に直接シーリング層
及び導電層を積層して生体用電極２０２を形成するもの
としたが、着衣２０１とは別個に、適当な布地を用いて
生体用電極を製造した後、該生体用電極を着衣２０１の
所望の位置に縫製等により固定するものとしてもよい。Further, in the clothing 200 with a living body electrode according to the present embodiment, the living body electrode 202 is formed by directly laminating a sealing layer and a conductive layer on the back surface of the clothing 201. Separately, after a living body electrode is manufactured using an appropriate cloth, the living body electrode may be fixed to a desired position of the clothing 201 by sewing or the like.
【００３５】例えば、図５に示すように、着衣２０１の
所望の位置と生体用電極２０２の貼り付け面側との各々
にマジックテープ（登録商標）１１を固定して、生体用
電極２０２を着衣２０１に対して着脱自在なものとす
る。これによれば、使用目的に応じて生体用電極２０２
の位置を自在に変更でき、さらに、生体用電極付き着衣
２００から生体用電極２０２をすべて取り外して、着衣
２０１のみを一般的な方法、例えば洗濯機を用いて洗濯
することができる。For example, as shown in FIG. 5, the Velcro (registered trademark) 11 is fixed to each of a desired position of the clothing 201 and the side to which the living body electrode 202 is attached, and the living body electrode 202 is worn. It shall be detachable from 201. According to this, according to the purpose of use, the biological electrode 202
Can be freely changed, and further, all the living body electrodes 202 can be removed from the clothing 200 with living body electrodes, and only the clothing 201 can be washed using a general method, for example, using a washing machine.
【００３６】第３実施形態に係る心電図測定器３００
は、図６に示すように、前記生体用電極付き着衣２００
と、該生体用電極付き着衣２００の生体用電極２０２に
より検出された電気信号を増幅して増幅電気信号を生成
する増幅発信器３０１と、該増幅電気信号に基づいて心
電図を記録する記録器３０２とを具備してなるものであ
る。An electrocardiogram measuring device 300 according to the third embodiment
As shown in FIG.
An amplification transmitter 301 that amplifies an electric signal detected by the living body electrode 202 of the clothing 200 with a living body electrode to generate an amplified electric signal; and a recorder 302 that records an electrocardiogram based on the amplified electric signal. Is provided.
【００３７】前記増幅発信器３０１は、前記生体用電極
２０２と導線等により電気的に接続されており、図には
示していないが、該増幅発信器３０１は、増幅器、アナ
ログ／デジタル変換器、マイクロコントローラ、バッテ
リー等から構成され、ベルト等（図示せず）により被験
者に固定されて携帯できるものである。The amplifier / transmitter 301 is electrically connected to the living body electrode 202 by a conducting wire or the like. Although not shown in the figure, the amplifier / transmitter 301 includes an amplifier, an analog / digital converter, It is composed of a microcontroller, a battery, and the like, and is fixed to a subject by a belt or the like (not shown) and can be carried.
【００３８】前記記録器３０２は、増幅電気信号に基づ
いて心電図を記録するものであれば、増幅発信器３０１
と導線等により電気的に接続されたものであっても、無
線で前記増幅電気信号を送受信するものであってもよ
い。また、心電図の記録は、実時間で記録紙に記録する
ものであっても、メモリ等の適当な記録媒体に心電図の
データを記録して、後に一括してプリントするようなも
のであってもよい。If the recorder 302 records an electrocardiogram based on an amplified electric signal, the recorder 302 transmits the amplified electrocardiogram.
It may be a device electrically connected to the device by a conducting wire or the like, or a device transmitting and receiving the amplified electric signal wirelessly. Further, the recording of the electrocardiogram may be performed by recording on a recording paper in real time, or may be performed by recording the data of the electrocardiogram on an appropriate recording medium such as a memory and printing it collectively later. Good.
【００３９】このような記録器３０２の形態は、本心電
図測定器３００の使用形態に応じて適宜設定するものと
し、例えば、本心電図測定器３００により入院患者の心
電図測定を行う場合であれば、前記記録器３０２は、増
幅発信器３０１と無線で増幅電気信号を送受信し、心電
図を実時間で記録紙に記録する形態のものとして、被験
者の病床の近傍に設置すればよい。一方、本心電図測定
器３００により健常者の心電図測定を行う場合であれ
ば、前記記録器３０２は、増幅発信器３０１と導線等に
より電気的に接続され、心電図の測定データをメモリに
格納するような小型のものとして、該記録器３０２を被
験者が携帯して連続的に心電図を測定し、被験者が帰宅
した時や通院した時等に該メモリに記録された測定デー
タを出力するものとすればよい。The form of the recorder 302 is appropriately set according to the use form of the electrocardiogram measuring device 300. For example, if the electrocardiogram measuring device 300 performs an electrocardiogram measurement on a hospitalized patient, The recorder 302 may transmit and receive the amplified electric signal wirelessly to and from the amplified transmitter 301 and record the electrocardiogram on a recording paper in real time, and may be installed near the bed of the subject. On the other hand, when the electrocardiogram measurement of the healthy person is performed by the electrocardiogram measurement device 300, the recording device 302 is electrically connected to the amplification transmitter 301 by a lead or the like, and stores the electrocardiogram measurement data in the memory. Assuming that the subject carries the recorder 302 continuously and measures the electrocardiogram, and outputs the measurement data recorded in the memory when the subject returns home or goes to hospital, etc. Good.
【００４０】このように、本心電図測定器３００によれ
ば、長期に渡って連続して心電図を測定する場合におい
て、被験者の行動等が制限されることがなく、また、生
体用電極による皮膚の発赤等が生じることもないので、
被験者の負担を軽減することができる。As described above, according to the electrocardiogram measuring device 300, when the electrocardiogram is continuously measured over a long period of time, the behavior of the subject is not restricted, and the skin electrode is not affected by the living body electrode. Because there is no redness etc.
The burden on the subject can be reduced.
【００４１】第４実施形態に係る低周波治療器４００
は、図７に示すように、パルス状の刺激電流を発生させ
る電流発生器４０１と、該刺激電流を生体用電極２０２
により生体に通電する生体用電極付き着衣２００とを具
備してなり、電流発生器４０１と生体用電極２０２は導
線等により電気的に接続されている。The low-frequency treatment device 400 according to the fourth embodiment
As shown in FIG. 7, a current generator 401 for generating a pulsed stimulation current, and the stimulation current
And a clothing 200 with a living body electrode that supplies electricity to the living body, and the current generator 401 and the living body electrode 202 are electrically connected by a conducting wire or the like.
【００４２】これにより、患者は前記生体用電極付き着
衣２００を着れば、肩部や腰部等の所要の位置に生体用
電極２０２が配置され、患者の皮膚と接触することとな
る。したがって、本低周波治療器４００によれば、治療
を行う患部ごとに生体用電極を貼りかえる必要がなく、
また、治療中においても患者の動作が制限されることが
ないという利点がある。Thus, when the patient wears the clothing 200 with living body electrodes, the living body electrodes 202 are arranged at required positions such as the shoulders and the waist, and come into contact with the patient's skin. Therefore, according to the present low-frequency treatment device 400, there is no need to replace the living body electrode for each affected part to be treated,
In addition, there is an advantage that the movement of the patient is not restricted even during the treatment.
【００４３】なお、本実施の形態に係る低周波治療器４
００の電流発生器４０１は、低周波パルス状の刺激電流
を発生するものであるが、これを高周波パルス状の刺激
電流を発生させる電流発生器とすれば、高周波治療器と
することができ、本実施の形態と同様の効果を得ること
ができる。また、電流発生器４０１を、パルス状の刺激
電流の周波数が可変であって、該周波数を外部から制御
可能なものとすれば、所望の周波数の刺激電流を生体に
通電させる治療器とすることもできる。また、電流発生
器４０１に、前記生体電極２０２に位置に応じて、例え
ば肩部、腰部ごとに刺激電流の通電を制御するスイッチ
等を設ければ、患部別に通電量等を変化させて必要な治
療を行うことができるようになる。The low-frequency treatment device 4 according to the present embodiment
The 00 current generator 401 generates a low-frequency pulsed stimulation current, but if this is a current generator that generates a high-frequency pulsed stimulation current, it can be a high-frequency therapeutic device, The same effect as in the present embodiment can be obtained. In addition, if the frequency of the pulse-like stimulation current is variable and the frequency can be controlled from the outside, the current generator 401 is a therapeutic device that supplies a stimulation current of a desired frequency to the living body. Can also. In addition, if the current generator 401 is provided with a switch or the like for controlling the supply of the stimulation current to each of the shoulders and the waist according to the position of the living body electrode 202, it is necessary to change the amount of current and the like for each affected part. Be able to perform treatment.
【００４４】[0044]
【実施例】以下、本発明に係る生体用電極の実施例につ
いて説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the biomedical electrode according to the present invention will be described below.
【００４５】まず、１％酢酸溶液にキトサン（フナコ
シ、分子量８０万、脱アセチル化度１００％）を１ｗ／
ｖ％溶解させて前処理液を調製した。該前処理液に１０
０ｍｍ×２００ｍｍの布地（倉吉グンゼ、ＭＥ５１４−
２９ＣＭＢＬＦ）を３分間浸漬した後引き上げて、６０
℃で２時間強制乾燥した。First, chitosan (Funakoshi, molecular weight: 800,000, deacetylation degree: 100%) was added to a 1% acetic acid solution at 1 w /
v% was dissolved to prepare a pretreatment liquid. 10
0mm x 200mm cloth (Gunze Kurayoshi, ME514-
29CMBLF) is immersed for 3 minutes and then raised to 60
It was forced dried at 2 ° C. for 2 hours.
【００４６】つぎに、前記布地を塩化パラジウム溶液
（ＰｄＣｌ２：０．２５ｇ、塩酸５ｍｌ／ｌ）に３分間
浸漬した後水洗し、０．５％ジメチルアミンボラン溶液
で還元した。Next, the cloth was immersed in a palladium chloride solution (PdCl 2 : 0.25 g, hydrochloric acid 5 ml / l) for 3 minutes, washed with water, and reduced with a 0.5% dimethylamine borane solution.
【００４７】その後、表１に示す成分の無電解銅めっき
浴にて銅めっきを３０分間行ったものを実施例１とし
た。After that, copper plating was performed for 30 minutes in an electroless copper plating bath having the components shown in Table 1 to obtain Example 1.
【表１】 [Table 1]
【００４８】一方、前記無電解銅めっきを行った後、表
２に示す成分の無電解ニッケルめっき浴にてニッケルめ
っきを５分間行い、さらに、室温の５％硫酸に１分間浸
漬して活性化した後、電気金めっき浴（奥野製薬工業、
セルフゴールドＯＴＫ）を用いて、４０℃、３分間、
０，２Ａで金めっきを行ったものを実施例２とした。On the other hand, after the electroless copper plating was performed, nickel plating was performed in an electroless nickel plating bath having the components shown in Table 2 for 5 minutes, and further activated by dipping in 5% sulfuric acid at room temperature for 1 minute. After the electroplating bath (Okuno Pharmaceutical,
Using Self Gold OTK) at 40 ° C for 3 minutes
Example 2 was gold-plated at 0.2 A.
【表２】 [Table 2]
【００４９】前記実施例１に係る生体用電極を用いて、
時定数１．５秒、周波数帯域幅０．５〜２００Ｈｚの測
定条件で、１０００倍増幅のＤＣアンプを用いて心電図
の測定を行った。電極位置は、布地幅５ｃｍのものを両
手の手首に巻きつけ、第一誘導法により記録した。電極
抵抗は１５ｋΩ以下であった。記録された心電図波型
は、Ｐ波を伴ったＱＲＳ波型で、Ｔ波も判別され、Ｒ棘
の大きさは約０．１ｍＶに達した。Using the biological electrode according to the first embodiment,
The electrocardiogram was measured using a DC amplifier with a 1000-fold amplification under measurement conditions of a time constant of 1.5 seconds and a frequency bandwidth of 0.5 to 200 Hz. The electrode position was recorded by wrapping a cloth having a width of 5 cm around the wrists of both hands by the first induction method. The electrode resistance was 15 kΩ or less. The recorded ECG waveform was a QRS waveform with a P-wave, and a T-wave was also discriminated, with the size of the R spike reaching approximately 0.1 mV.
【００５０】一方、前記実施例２に係る生体用電極を用
いて、電極位置は左右の第４肋骨間に５ｃｍ四方の電極
をおいて、胸部誘導法により、心電図の測定を行った。
測定条件は、前記実施例１と同様とした。その結果、実
施例１より鮮明な心電図波型を記録することができた。
すなわち、Ｐ波を伴い、ＱＲＳ波のＲ棘は０．２ｍＶと
大きく、Ｔ波は０．１ｍＶであった。On the other hand, an electrocardiogram was measured by the chest lead method using the electrode for a living body according to Example 2 with an electrode position of 5 cm square between the left and right fourth ribs.
The measurement conditions were the same as in Example 1. As a result, a clearer electrocardiogram waveform could be recorded than in Example 1.
That is, with the P wave, the R spike of the QRS wave was as large as 0.2 mV, and the T wave was 0.1 mV.
【００５１】[0051]
【発明の効果】請求項１記載の生体用電極は、布地と、
キトサン又はキトサン誘導体から構成され、前記布地の
表面を覆うシーリング層と、前記シーリング層に積層さ
れた導電層とを具備してなるものとしたので、被験部や
患部の如何なる形状にも柔軟に対応して皮膚と密着する
ことができ、かつ、被験者等の動作にも対応して変形す
ることもできる。これにより、心電図測定における生体
の微弱電流の検出や、低周波治療における刺激電流の通
電を安定して確実に行うことができるという利点があ
る。According to the first aspect of the present invention, there is provided a biological electrode, comprising:
It is composed of chitosan or a chitosan derivative, and has a sealing layer covering the surface of the fabric, and a conductive layer laminated on the sealing layer, so that it can flexibly cope with any shape of the test part or the affected part. As a result, it can be in close contact with the skin, and can be deformed in response to the movement of the subject or the like. Thus, there is an advantage that the detection of the weak current of the living body in the electrocardiogram measurement and the supply of the stimulation current in the low-frequency treatment can be performed stably and reliably.
【００５２】請求項２記載の生体用電極は、請求項１記
載の生体用電極において、前記導電層は金又は銀から構
成されてなるものとしたので、生体用電極と生体との親
和性が極めてよく、被験者や患者が金属アレルギー等を
惹き起こすことがないという利点がある。According to a second aspect of the present invention, there is provided the electrode for a living body according to the first aspect of the invention, wherein the conductive layer is made of gold or silver. Very well, there is an advantage that the subject or patient does not cause metal allergy or the like.
【００５３】請求項３記載の生体用電極の製造方法は、
布地をキトサン又はキトサン誘導体を溶解させてなる前
処理液に浸漬し、又は、布地の表面に前記前処理液を塗
布した後、該布地を乾燥させる前処理工程と、前処理さ
れた布地に金属めっきを施す金属めっき工程とを含んで
なるものとしたので、被験部や患部の如何なる形状にも
柔軟に対応して密着することができ、かつ、被験者等の
動作にも対応して変形する生体用電極を簡便に製造する
ことができる。The method for manufacturing a biological electrode according to claim 3 is characterized in that:
A pre-treatment step of immersing the fabric in a pre-treatment solution obtained by dissolving chitosan or a chitosan derivative, or applying the pre-treatment solution to the surface of the fabric, and then drying the fabric; and applying a metal to the pre-treated fabric. And a metal plating step of plating, so that it can flexibly adhere to any shape of the test part or the affected part in a flexible manner and deforms in response to the movement of the subject or the like. Electrode can be easily manufactured.
【００５４】請求項４記載の生体用電極の製造方法は、
請求項３記載の生体用電極の製造方法において、前記金
属めっき工程は、前処理された布地に金めっき又は銀め
っきを施すものとしたので、生体との親和性が極めてよ
い生体用電極を簡便に製造することができる。According to a fourth aspect of the present invention, there is provided a method for manufacturing a biological electrode.
4. The method for manufacturing a biomedical electrode according to claim 3, wherein the metal plating step is performed by applying gold plating or silver plating to the pretreated cloth, so that a biomedical electrode having extremely good affinity with a living body can be easily prepared. Can be manufactured.
【００５５】請求項５記載の生体用電極付き着衣は、請
求項１記載の生体用電極が、その裏面の所望の位置に形
成されてなるものとしたので、心電図の被験者等に生体
用電極を意識させることなく、生体用電極を被験者の皮
膚に密着した状態を安定的に保持することができる。こ
れにより、心電図の測定を長期に渡り連続的に行う場合
において、被験者の動作が制限されることがないため、
被験者の負担を軽減することができ、また、低周波治療
時においても同様に、患者の動作が制限されることがな
い。In the clothing with the living body electrode according to the fifth aspect, since the living body electrode according to the first aspect is formed at a desired position on the back surface, the living body electrode is provided to a subject or the like on an electrocardiogram. It is possible to stably maintain the state in which the living body electrode is in close contact with the skin of the subject without being conscious. Thereby, in the case where the measurement of the electrocardiogram is performed continuously for a long period of time, since the movement of the subject is not restricted,
The burden on the subject can be reduced, and the movement of the patient is not similarly limited during the low frequency treatment.
【００５６】請求項６記載の心電図測定器は、請求項５
記載の生体用電極付き着衣と、該生体用電極付き着衣の
生体用電極により検出された電気信号を増幅して増幅電
気信号を生成する増幅発信手段と、該増幅電気信号に基
づいて心電図を記録する記録手段とを具備してなるもの
としたので、長期に渡って連続して心電図を測定する場
合において、生体用電極を被験部の形状や被験者の動き
に柔軟に対応して密着させることができる。これによ
り、心電図測定中においても被験者の行動が制限される
ことがなく、また、電極による皮膚の発赤等が生じるこ
ともないので、被験者の負担を軽減することができると
いう利点がある。The electrocardiogram measuring device according to the sixth aspect is the fifth aspect.
A clothing with a living body electrode according to the above description, amplification transmitting means for amplifying an electric signal detected by the living body electrode of the clothing with the living body electrode to generate an amplified electric signal, and recording an electrocardiogram based on the amplified electric signal. In the case where the electrocardiogram is continuously measured over a long period of time, the biomedical electrode can be closely adhered to the shape of the test part and the movement of the test subject flexibly. it can. This has the advantage that the subject's behavior is not restricted even during the measurement of the electrocardiogram and the skin does not redden due to the electrodes, so that the burden on the subject can be reduced.
【００５７】請求項７記載の低周波治療器又は高周波治
療器は、パルス状の刺激電流を発生させる電流発生手段
と、該刺激電流を前記生体用電極により生体に通電する
請求項５記載の生体用電極付き着衣とを具備してなるも
のとしたので、生体用電極を患部の形状や患者の動きに
柔軟に対応して密着させることができる。これにより、
治療中においても患者の動作が制限されることがないと
いう利点がある。また、予め所望の位置に複数の電極を
形成することができるので、治療を行う患部ごとに電極
を貼りかえる必要がないという利点もある。According to a seventh aspect of the present invention, in the low frequency treatment device or the high frequency treatment device, a current generating means for generating a pulsed stimulation current, and the stimulation current is supplied to the living body by the living body electrode. Since it is provided with the clothing with the electrode for use, the living body electrode can be brought into close contact with the shape of the affected part and the movement of the patient flexibly. This allows
There is an advantage that the movement of the patient is not restricted even during the treatment. In addition, since a plurality of electrodes can be formed at desired positions in advance, there is an advantage that it is not necessary to replace electrodes for each affected part to be treated.
【図１】第１実施形態に係る生体用電極１００の断面構
造を示す模式図である。FIG. 1 is a schematic diagram showing a cross-sectional structure of a biological electrode 100 according to a first embodiment.
【図２】第２実施形態に係る生体用電極付き着衣２００
の一例を示す模式図である。FIG. 2 is a garment 200 with a biological electrode according to a second embodiment.
It is a schematic diagram which shows an example of.
【図３】第２実施形態に係る生体用電極付き着衣２００
の一例を示す模式図である。FIG. 3 is a garment 200 with a biological electrode according to a second embodiment.
It is a schematic diagram which shows an example of.
【図４】生体用電極２０２の周囲にゴム編み部１０を設
けた場合の断面構造を示す模式図である。FIG. 4 is a schematic diagram showing a cross-sectional structure in a case where a rubber knitting portion 10 is provided around a living body electrode 202.
【図５】着衣２０１と生体用電極２０２とをマジックテ
ープ１１により着脱自在に貼り合わせたものの断面構造
を示す模式図である。FIG. 5 is a schematic diagram showing a cross-sectional structure of a clothing 201 and a living body electrode 202 which are detachably attached to each other with a magic tape 11;
【図６】第３実施形態に係る心電図測定器３００の構成
を示す模式図である。FIG. 6 is a schematic diagram showing a configuration of an electrocardiogram measuring device 300 according to a third embodiment.
【図７】第４実施形態に係る低周波治療器４００の構成
を示す模式図である。FIG. 7 is a schematic diagram illustrating a configuration of a low-frequency treatment device 400 according to a fourth embodiment.
１００、２０２ 生体用電極 １０１ 布地 １０２ シーリング層 １０３ 導電層 ２００ 生体用電極付き着衣 ２０１ 着衣 ３００ 心電図測定器 ３０１ 増幅発信器 ３０２ 記録器 ４００ 低周波治療器 ４０１ 電流発生器 Reference Signs List 100, 202 Electrode for living body 101 Cloth 102 Sealing layer 103 Conductive layer 200 Clothing with living body electrode 201 Clothing 300 Electrocardiogram measuring device 301 Amplifying transmitter 302 Recording device 400 Low frequency treatment device 401 Current generator
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ａ６１Ｂ 5/0478 Ａ６１Ｎ 1/32 Ａ６１Ｎ 1/06 Ａ４１Ｄ 13/12 1/32 Ａ６１Ｂ 5/04 ３００Ｍ // Ａ４１Ｄ 13/12 Ｆターム(参考） 3B011 AB09 4C053 BB02 BB23 BB36 DD08 JJ04 JJ11 JJ21 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification code FI Theme coat ゛ (Reference) A61B 5/0478 A61N 1/32 A61N 1/06 A41D 13/12 1/32 A61B 5/04 300M // A41D 13/12 F term (reference) 3B011 AB09 4C053 BB02 BB23 BB36 DD08 JJ04 JJ11 JJ21
Claims (7)
ら構成され、前記布地の表面を覆うシーリング層と、前
記シーリング層に積層された導電層とを具備してなるも
のであることを特徴とする生体用電極。1. A living body comprising: a fabric; a sealing layer made of chitosan or a chitosan derivative, covering a surface of the fabric; and a conductive layer laminated on the sealing layer. Electrodes.
るものであることを特徴とする請求項１記載の生体用電
極。2. The living body electrode according to claim 1, wherein said conductive layer is made of gold or silver.
解させてなる前処理液に浸漬し、又は、布地の表面に前
記前処理液を塗布した後、該布地を乾燥させる前処理工
程と、前処理された布地に金属めっきを施す金属めっき
工程とを含んでなるものであることを特徴とする生体用
電極の製造方法。3. A pre-treatment step of immersing the fabric in a pre-treatment liquid obtained by dissolving chitosan or a chitosan derivative, or applying the pre-treatment liquid to the surface of the cloth and then drying the cloth; A metal plating step of performing metal plating on the finished cloth.
地に金めっき又は銀めっきを施すものであることを特徴
とする請求項３記載の生体用電極の製造方法。4. The method for manufacturing a biological electrode according to claim 3, wherein the metal plating step is to apply gold plating or silver plating to the pretreated fabric.
の所望の位置に形成されてなるものであることを特徴と
する生体用電極付き着衣。5. A clothing with a biological electrode, wherein the biological electrode according to claim 1 is formed at a desired position on a back surface thereof.
該生体用電極付き着衣の生体用電極により検出された電
気信号を増幅して増幅電気信号を生成する増幅発信手段
と、該増幅電気信号に基づいて心電図を記録する記録手
段とを具備してなるものであることを特徴とする心電図
測定器。6. A garment with a biological electrode according to claim 5,
Amplifying and transmitting means for amplifying an electric signal detected by the living body electrode of the clothing with the living body electrode to generate an amplified electric signal, and recording means for recording an electrocardiogram based on the amplified electric signal. An electrocardiogram measuring device, characterized in that:
生手段と、該刺激電流を前記生体用電極により生体に通
電する請求項５記載の生体用電極付き着衣とを具備して
なるものであることを特徴とする低周波治療器又は高周
波治療器。7. A living body equipped with an electrode for living body according to claim 5, wherein a current generating means for generating a pulse-like stimulation current, and the living body electrode is supplied with the stimulation current through the living body electrode. A low frequency treatment device or a high frequency treatment device characterized by the above-mentioned.
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|---|---|---|---|
| JP2000231980A JP2002035141A (en) | 2000-07-31 | 2000-07-31 | Bio-electrode, method for manufacturing the same, clothing with bio-electrode, electrocardiograph, low frequency therapeutic instrument and high frequency therapeutic instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000231980A JP2002035141A (en) | 2000-07-31 | 2000-07-31 | Bio-electrode, method for manufacturing the same, clothing with bio-electrode, electrocardiograph, low frequency therapeutic instrument and high frequency therapeutic instrument |
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|---|---|
| JP2002035141A true JP2002035141A (en) | 2002-02-05 |
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ID=18724728
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|---|---|---|---|
| JP2000231980A Pending JP2002035141A (en) | 2000-07-31 | 2000-07-31 | Bio-electrode, method for manufacturing the same, clothing with bio-electrode, electrocardiograph, low frequency therapeutic instrument and high frequency therapeutic instrument |
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|---|---|
| JP (1) | JP2002035141A (en) |
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