JP5729856B2 - Remote electrical stimulator - Google Patents

Remote electrical stimulator Download PDF

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JP5729856B2
JP5729856B2 JP2010120722A JP2010120722A JP5729856B2 JP 5729856 B2 JP5729856 B2 JP 5729856B2 JP 2010120722 A JP2010120722 A JP 2010120722A JP 2010120722 A JP2010120722 A JP 2010120722A JP 5729856 B2 JP5729856 B2 JP 5729856B2
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electrical stimulation
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electrode
frequency
stimulation device
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前田 直
直 前田
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Minato Medical Science Co Ltd
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Description

本発明は、電気刺激装置に遠隔スタンドを接続して電気刺激装置から離れた場所にいる患者の近くに置き、遠隔スタンドの操作部を操作して、患者に最適な刺激条件と刺激強度に設定して治療を行うことができるようにした電気刺激装置に関する。    The present invention connects a remote stand to an electrical stimulator and places it near a patient away from the electrical stimulator, and operates the operation unit of the remote stand to set optimal stimulation conditions and intensity for the patient. The present invention relates to an electrical stimulation apparatus that can perform treatment.

電気刺激装置は、図2のように、生体を電気刺激する電気刺激信号を発生する電気刺激信号発生部21と、発生した電気刺激信号を患者に適した値に増幅する増幅部24と、増幅部24の出力を生体に供給する電極26と、装置を制御する制御部28と、発生させる電気刺激信号の波形や周波数、治療時間等の刺激条件を設定する入力部Aと、現在の出力や治療時間や出力、各種設定値などを表示する表示器2A等を有する。Bは装置の出力に関する部分で、出力部と称する。
図2は、以上のような出力系統を2系統有する干渉低周波治療器の例である。
As shown in FIG. 2, the electrical stimulation apparatus includes an electrical stimulation signal generation unit 21 that generates an electrical stimulation signal that electrically stimulates a living body, an amplification unit 24 that amplifies the generated electrical stimulation signal to a value suitable for the patient, and amplification. An electrode 26 for supplying the output of the unit 24 to the living body, a control unit 28 for controlling the apparatus, an input unit A for setting stimulation conditions such as a waveform and frequency of an electrical stimulation signal to be generated, and a treatment time, It has a display 2A for displaying treatment time, output, various set values, and the like. B is a part related to the output of the apparatus and is called an output unit.
FIG. 2 is an example of an interference low frequency treatment device having two output systems as described above.

干渉低周波治療器は、周波数が僅かに異なる複数の電流(搬送波)を同時に生体に流し、生体内で発生する干渉低周波で刺激をおこなうものである。
搬送波の周波数fには数kHz(通常は4000Hz前後)、のものが使用されている。この周波数は従来の一般的な低周波治療器よりも1桁程度、高いため、皮膚インピーダンスは1/10程度になり、電気刺激感覚は殆どない。このため、従来よりも大きなエネルギーを供給できる。しかし、4000Hz程度の電流単独では筋収縮を得ることはできない。
そこで、周波数が僅かに異なる2つの搬送波を用い、生体内で発生する干渉低周波により、筋収縮を得るようにしている。数〜数十Hzの電流は効果的に筋収縮を得ることができる。
このようにして、干渉低周波治療器では、高い周波数の搬送波を用いることで不快な電気刺激感が無く、従来よりも大きな電気エネルギーを供給することができるようにし、しかも、2つの搬送波を干渉させて発生する干渉低周波で効果的に筋収縮を得ることができるようにしている。
The interference low-frequency treatment device is configured to simultaneously flow a plurality of currents (carrier waves) having slightly different frequencies to a living body and perform stimulation at the interference low frequency generated in the living body.
A carrier wave having a frequency f of several kHz (usually around 4000 Hz) is used. Since this frequency is about an order of magnitude higher than that of a conventional general low-frequency treatment device, the skin impedance is about 1/10 and there is almost no sense of electrical stimulation. For this reason, larger energy than conventional can be supplied. However, muscle contraction cannot be obtained with a current of about 4000 Hz alone.
Therefore, two carrier waves having slightly different frequencies are used, and muscle contraction is obtained by the interference low frequency generated in the living body. A current of several to several tens Hz can effectively obtain muscle contraction.
In this way, in the interference low frequency treatment device, by using a high frequency carrier wave, there is no sense of unpleasant electrical stimulation, and it is possible to supply a larger amount of electric energy than before, and the two carrier waves interfere with each other. Thus, the muscle contraction can be effectively obtained at the interference low frequency generated.

以上の説明では、周波数が僅かに異なる2つの搬送波を同時に生体に供給し、生体内で干渉低周波を発生させる干渉低周波治療器について述べたが、搬送波の位相を制御することでも、これと同様の干渉低周波を発生させることができる(例えば特許文献1など)。    In the above description, the interference low frequency treatment device that supplies two carrier waves with slightly different frequencies to the living body at the same time and generates the interference low frequency in the living body has been described. A similar interference low frequency can be generated (for example, Patent Document 1).

以上を図2で説明する。
装置は、搬送波発生部21、干渉波発生部22、位相器23、増幅器24と25、制御部28、電極26と27、入力部A、表示器2Aなどから構成される。29は電極に吸着式電極を用いるときに電極を吸着させるための印圧を発生させるポンプ、2Aは装置の出力や入力などの各種情報を表示する表示器である。
入力部Aの搬送波設定器を操作して、搬送波発生部21から周波数fの搬送波を発生し、増幅器24で所望の値に増幅して電極26を介して、生体に供給される。このとき、入力部Aの出力調節器を操作して増幅器24を制御し、搬送波を所望の値に増幅する。
入力部Aの干渉波設定器を操作して、生体で発生させる干渉低周波の周波数や波形を入力すると、干渉波発生部22で干渉波を発生させるための信号が作成される。
搬送波発生部21で発生させた搬送波は位相器22に入力し、干渉波発生部22の信号によって位相器23を制御して、搬送波の位相を所定の量だけ位相制御し、これを増幅器25で増幅して、電極27を介して、生体に供給される。このとき、入力部Aの出力調節器を操作して増幅器25を制御し、位相制御した搬送波を所望の値に増幅する。
この搬送波と、位相制御した搬送波を、同時に生体に供給すると、位相を制御する周期(周波数)を周期(周波数)とする干渉低周波が生体内で発生する。この干渉低周波の振幅変化で筋肉を収縮させる。
The above will be described with reference to FIG.
The apparatus includes a carrier wave generation unit 21, an interference wave generation unit 22, a phase shifter 23, amplifiers 24 and 25, a control unit 28, electrodes 26 and 27, an input unit A, a display 2A, and the like. Reference numeral 29 denotes a pump for generating a printing pressure for adsorbing the electrode when the adsorption type electrode is used. Reference numeral 2A denotes a display for displaying various information such as output and input of the apparatus.
A carrier wave setter of the input unit A is operated to generate a carrier wave having a frequency f from the carrier wave generating unit 21, amplified to a desired value by the amplifier 24, and supplied to the living body via the electrode 26. At this time, the output adjuster of the input unit A is operated to control the amplifier 24 to amplify the carrier wave to a desired value.
When the interference wave setting unit of the input unit A is operated to input the frequency and waveform of the interference low frequency generated in the living body, a signal for generating the interference wave is generated in the interference wave generating unit 22.
The carrier wave generated by the carrier wave generation unit 21 is input to the phase shifter 22, and the phase shifter 23 is controlled by the signal from the interference wave generation unit 22 to control the phase of the carrier wave by a predetermined amount. Amplified and supplied to the living body via the electrode 27. At this time, the amplifier 25 is controlled by operating the output regulator of the input unit A, and the phase-controlled carrier wave is amplified to a desired value.
When this carrier wave and the phase-controlled carrier wave are simultaneously supplied to the living body, an interference low frequency having a period (frequency) for controlling the phase as a period (frequency) is generated in the living body. The muscle is contracted by the amplitude change of the interference low frequency.

従来の電気刺激装置は、通常は4〜8チャンネルの出力を有し、電極には1m程度のコードを設け、装置の近くにいる患者を治療していた。  Conventional electrical stimulation devices usually have 4 to 8 channel outputs, and electrodes are provided with a cord of about 1 m to treat a patient near the device.

公告特許昭和53−30270号公報Published Patent Showa 53-30270

4〜8チャンネルの出力を有すると、ベッドを並べて、同時に4〜8人の患者を治療することができる。
しかし、電極コードが短いため、患者が装置から少し離れると、電極が届かず、治療ができないため、装置に使用しない空きのチャンネルが存在することになり、効率が悪いという問題があった。
これを解決するために、電極コードを長くして、出力調節器を患者の近くに置き、出力だけは調節できるものもあったが、電気刺激条件を変更するには装置の前に行き、操作部を操作する必要があり、手間がかかっていた。
また、装置本体には電極を保温する機能を有するものもあったが、電極コードを延長して離れた場所に設置しておくと、電極を保温することができず、冬には電極を装着すると冷たくて患者に悪影響を与えることもあった。
本発明はこのような問題を解決することを目的とする。
With 4-8 channel output, the beds can be lined up to treat 4-8 patients simultaneously.
However, since the electrode cord is short, when the patient leaves the device for a while, the electrode does not reach and treatment cannot be performed, so that there is an empty channel that is not used in the device, which is inefficient.
To solve this, some electrode cords were lengthened, the output regulator was placed near the patient, and only the output could be adjusted, but to change the electrical stimulation conditions, go to the device and operate It was necessary to operate the department, and it took time and effort.
Some devices have a function to keep the electrode warm, but if the electrode cord is extended and installed in a remote location, the electrode cannot be kept warm and the electrode is attached in winter. It was so cold that it could adversely affect the patient.
The present invention aims to solve such problems.

そこで請求項1記載の発明では、
生体を電気刺激する電気刺激信号を発生する電気刺激装置と、
前記電気刺激装置から隔離し離れた場所の患者に前記電気刺激装置の電気刺激信号を供給する電極と、
前記電気刺激装置から隔離し離れた場所の患者を治療するための電気刺激信号の出力を調整するための出力調節器と、
前記出力調節器を有する遠隔スタンドと、
を有する遠隔電気刺激装置において、
隔離し離れた場所において、電気刺激をおこなわないときに前記電極を保存する電極保存部
前記電気刺激装置とコードで接続され電力供給されることで、前記電極保存部に保存している電極を加温するヒータ遠隔スタンドに設けた。
電極を使用しないときは、遠隔スタンドのヒータ部に電極を収納し、常に保温しておき、冬でも不快な冷感を覚えることが無いようにした。
Therefore, in the invention according to claim 1,
An electrical stimulation device for generating an electrical stimulation signal for electrically stimulating a living body;
An electrode for supplying an electrical stimulation signal of the electrical stimulation device to a patient at a location remote from the electrical stimulation device;
An output regulator for adjusting the output of an electrical stimulation signal for treating a patient at a location remote from the electrical stimulation device;
A remote stand having the output regulator;
In a remote electrical stimulator having
In sequestered away, and an electrode storage unit for storing the electrode when not performed electrical stimulation,
It said that the power is connected by the electrical stimulation device and the code is supplied, is provided and a heater for heating the electrodes are stored in the electrode storage unit to the remote station.
When the electrode was not used, the electrode was stored in the heater of the remote stand and kept warm so that an unpleasant cold feeling was not felt even in winter.

請求項2記載の発明では、請求項1記載の遠隔電気刺激装置において、
前記電気刺激装置が出力する電気刺激信号の波形や周波数に関するパラメータを入力する入力部の一部又は全部を前記電気刺激装置だけではなく前記遠隔スタンドにも設けた。
これにより、装置から離れた場所で治療をおこなう場合、患者の様子を見ながら、最適な刺激条件を設定できるため、より効果的で、効率の良い治療をおこなうことができる。
In the invention according to claim 2, in the remote electrical stimulation device according to claim 1,
A part or all of the input unit for inputting parameters relating to the waveform and frequency of the electrical stimulation signal output from the electrical stimulation device is provided not only in the electrical stimulation device but also in the remote stand.
Thereby, when performing treatment at a place away from the apparatus, it is possible to set optimal stimulation conditions while observing the state of the patient, so that more effective and efficient treatment can be performed.

請求項3記載の発明では、請求項1又は請求項2記載の遠隔電気刺激装置において、
前記遠隔スタンドで、干渉低周波治療器の複数の電流の各々の電流の周波数と、前記干渉低周波の周波数、前記複数の電流の各々の電流の強さのバランスを調節することができるようにした。
干渉低周波治療器では、搬送波の設定、治療周波数(干渉低周波の周波数)、2つの電流バランスなど、他の電気刺激装置よりも複雑な調節を要する。このため、患者の近くで、患者の様子を見ながら、患者に適した刺激条件で刺激をおこなえるため、より効果的で、より効率的な治療が可能になる。
In invention of Claim 3, in the remote electrical stimulation apparatus of Claim 1 or Claim 2,
The remote stand can adjust the balance between the frequency of each of the plurality of currents of the interference low frequency treatment device, the frequency of the interference low frequency, and the strength of each of the plurality of currents. did.
The interference low-frequency treatment device requires more complicated adjustment than other electrical stimulation devices, such as carrier wave setting, treatment frequency (interference low-frequency frequency), and two current balances. For this reason, it is possible to perform stimulation more effectively and more efficiently because stimulation can be performed under stimulation conditions suitable for the patient while watching the state of the patient near the patient.

請求項1記載の発明により、遠隔スタンドに電極保存部を設け、電極保存部にはヒータを設け、電極を使用しないときは遠隔スタンドのヒータ部に電極を収納して常に適切な温度に保温する。
このため、冬でも不快な冷感を覚えることが無いようにした。
According to the first aspect of the present invention, an electrode storage unit is provided in the remote stand, a heater is provided in the electrode storage unit, and when the electrode is not used, the electrode is stored in the heater unit of the remote stand so that the temperature is always kept at an appropriate temperature. .
For this reason, I did not feel uncomfortable cold feeling even in winter.

請求項2記載の発明により、電気刺激装置が出力する電気刺激信号の波形や周波数に関するパラメータを入力する入力部の一部又は全部を、前記遠隔スタンドにも設けた。
このため、装置から離れた場所で治療をおこなう場合、その場で、患者の様子を見ながら、最適な刺激条件を設定できるため、より効果的で、効率の良い治療をおこなうことができる。
According to the second aspect of the present invention, part or all of the input unit for inputting parameters relating to the waveform and frequency of the electrical stimulation signal output from the electrical stimulation device is also provided in the remote stand.
For this reason, when treatment is performed at a location away from the apparatus, optimal stimulation conditions can be set while watching the patient on the spot, so that more effective and efficient treatment can be performed.

請求項3記載の発明により、干渉低周波治療器では、搬送波の設定、治療周波数(干渉低周波の周波数)、2つの電流バランスなど、他の電気刺激装置よりも複雑な調節を要する。このため、患者の近くで、患者の様子を見ながら、患者に適した刺激条件で刺激をおこなえるため、より効果的で、より効率的な治療が可能になる。    According to the third aspect of the present invention, the interference low-frequency treatment device requires more complicated adjustment than other electrical stimulation devices, such as carrier wave setting, treatment frequency (interference low-frequency frequency), and two current balances. For this reason, it is possible to perform stimulation more effectively and more efficiently because stimulation can be performed under stimulation conditions suitable for the patient while watching the state of the patient near the patient.

以下に、実施例により、本発明を説明する。    Hereinafter, the present invention will be described by way of examples.

本発明の実施例を図1に示す。図のCは電気刺激装置で、Dは遠隔スタンド、Eは表示器、Fはヒータ、Gは電極、Hは接続コード、Iは電極コード、Jは操作部である。
遠隔スタンドには、請求項1の発明により、ヒータFを設けている。
また、請求項2の発明により、操作部Jを設けている。
電気刺激装置Cは、図2のような、刺激信号発生部と、増幅部、電極、入力部、表示器などを有し、入力部で入力されたデータに元づいて、電気刺激信号を発生し、操作部の出力調節器の操作量に応じた値に増幅器で増幅し、電極を介して生体に供給して、生体を刺激する。
An embodiment of the present invention is shown in FIG. In the figure, C is an electrical stimulator, D is a remote stand, E is a display, F is a heater, G is an electrode, H is a connection cord, I is an electrode cord, and J is an operation unit.
According to the first aspect of the present invention, the remote stand is provided with a heater F.
According to the second aspect of the present invention, the operation unit J is provided.
The electrical stimulation device C has a stimulation signal generation unit, an amplification unit, an electrode, an input unit, a display, etc. as shown in FIG. 2, and generates an electrical stimulation signal based on the data input at the input unit. Then, it is amplified by an amplifier to a value corresponding to the operation amount of the output regulator of the operation unit, and is supplied to the living body via the electrode to stimulate the living body.

請求項1の発明により、電気刺激装置で干渉低周波を発生させる電気刺激信号を発生し、干渉低周波を制御するための操作部Jを、遠隔スタンドに設けている。
表示器Eには、電気刺激装置Cの制御部から、図2の制御部28から表示器2Aに送る信号と同様の信号を、接続コードHを介して送り、出力の大きさや治療時間などを表示する。表示器Eの電源は接続コードHを介して供給される。
ヒータFは、使用する電極Gを載置できる大きさで、電極Gを適温に加温する。ヒータFの電源は接続コードHを介して供給される
According to the first aspect of the present invention, the remote stand is provided with the operation unit J for generating an electrical stimulation signal for generating an interference low frequency by the electrical stimulation device and controlling the interference low frequency.
A signal similar to the signal sent from the control unit 28 of FIG. 2 to the display 2A is sent to the display E via the connection cord H from the control unit of the electrical stimulation device C, and the magnitude of the output, the treatment time, etc. indicate. The power of the display E is supplied via the connection cord H.
The heater F is large enough to mount the electrode G to be used, and warms the electrode G to an appropriate temperature. Power of the heater F is supplied via the connection cord H.

電極Gは、電気刺激装置Cの出力部(増幅部の出力)と接続され、電気刺激装置Cで生成した電気刺激信号を生体に供給し、生体を刺激する。電極Gは、電極コードIを長くして、直接電気刺激装置Cの出力部と接続してもよく、遠隔スタンドDを中継して接続してもよい。
接続コードHは、以上に述べたように、表示器Eの表示信号と電源、ヒータFの電源、制御部Jの制御情報と電源の各ラインをまとめて記載したものである
電極コードIは、電極に刺激信号を供給するコードで、前述のように、患者の位置から電気刺激装置Cの出力部まで長くしたものでも良いし、遠隔スタンドDを中継しても良い。
操作部Jは、図2のAのような、電気刺激信号の波形、周波数、治療時間等の刺激条件を設定するための操作キー等を有し、これを操作すると、電気刺激装置Cから離れた患者の近くで、電気刺激条件を細かに設定、調節することができる。
The electrode G is connected to the output unit (output of the amplification unit) of the electrical stimulation device C, supplies the electrical stimulation signal generated by the electrical stimulation device C to the living body, and stimulates the living body. The electrode G may be connected directly to the output unit of the electrical stimulation device C by extending the electrode cord I, or may be connected via the remote stand D.
Connection code H, as described above, are those described collectively display signal and power indicator E, power of the heater F, the respective line of the control information of the control unit J and the power supply.
The electrode code I is a code for supplying a stimulation signal to the electrode, and may be extended from the position of the patient to the output unit of the electrical stimulation device C as described above, or may be relayed through the remote stand D.
The operation unit J has operation keys and the like for setting stimulation conditions such as the waveform, frequency, and treatment time of the electrical stimulation signal as shown in FIG. The electrical stimulation conditions can be set and adjusted close to the patient.

最近、電極を電極カバーで覆い、電極カバーの開口部を生体に接触させ、電極カバー内を陰圧にして電極を生体に吸着させる吸着式の電極も使用されているが、この場合は操作部Jに吸着圧を調節する圧力調節器を設けると、より快適な刺激をおこなうことができる。
吸着圧が強すぎると不快感があるし、弱すぎると電極が脱落し、治療に支障をきたし、その対応に手間を取られるためである。吸着導子を使用する場合、電極コードIにポンプと空気接続する空気回路を設けている。
Recently, an adsorption type electrode that covers the electrode with an electrode cover, makes the opening of the electrode cover contact the living body, and makes the inside of the electrode cover negative pressure to adsorb the electrode to the living body has been used. If J is provided with a pressure regulator for adjusting the adsorption pressure, more comfortable stimulation can be performed.
This is because if the adsorption pressure is too strong, there will be discomfort, and if it is too weak, the electrode will fall off, which will interfere with the treatment and will take time to deal with it. When the adsorption conductor is used, the electrode cord I is provided with an air circuit for air connection with the pump.

本発明の構成例である。It is an example of composition of the present invention. 干渉低周波治療器の構成例である。It is a structural example of an interference low frequency treatment device.

C:電気刺激装置 D:遠隔スタンド
E:表示器 F:ヒータ
G:電極 H:接続コード
I:電極コード J:操作部
21:搬送波発生部 22:干渉波発生部
23:位相器 24、25:増幅器
26、27:電極 28:制御部
29:ポンプ 2A:表示器
A:入力部 B:出力部
C: Electrical stimulator D: Remote stand E: Display F: Heater G: Electrode H: Connection code I: Electrode code J: Operation part 21: Carrier wave generation part 22: Interference wave generation part 23: Phaser 24, 25: Amplifiers 26 and 27: Electrode 28: Control unit 29: Pump 2A: Display A: Input unit B: Output unit

Claims (3)

生体を電気刺激する電気刺激信号を発生する電気刺激装置と、
前記電気刺激装置から隔離し離れた場所の患者に前記電気刺激装置の電気刺激信号を供給する電極と、
前記電気刺激装置から隔離し離れた場所の患者を治療するための電気刺激信号の出力を調整するための出力調節器と、
前記出力調節器を有する遠隔スタンドと、
を有する遠隔電気刺激装置において、
離し離れた場所において、電気刺激をおこなわないときに前記電極を保存する電極保存部
前記電気刺激装置とコードで接続され電力供給されることで、前記電極保存部に保存している電極を加温するヒータ遠隔スタンドに設けたことを特徴とする、遠隔電気刺激装置。
An electrical stimulation device for generating an electrical stimulation signal for electrically stimulating a living body;
An electrode for supplying an electrical stimulation signal of the electrical stimulation device to a patient at a location remote from the electrical stimulation device;
An output regulator for adjusting the output of an electrical stimulation signal for treating a patient at a location remote from the electrical stimulation device;
A remote stand having the output regulator;
In a remote electrical stimulator having
In interval apart away, and an electrode storage unit for storing the electrode when not performed electrical stimulation,
Said that the power is connected by the electrical stimulation device and the code is supplied, characterized in that a heater for heating the electrodes are stored in the electrode storage unit provided in the remote station, remote electrostimulation device.
前記電気刺激装置が出力する電気刺激信号の波形や周波数に関するパラメータを入力する入力部の一部又は全部を前記電気刺激装置だけではなく前記遠隔スタンドにも設けたことを特徴とする、請求項1記載の遠隔電気刺激装置。 2. A part or all of an input unit for inputting a parameter relating to a waveform and a frequency of an electrical stimulation signal output from the electrical stimulation device is provided not only in the electrical stimulation device but also in the remote stand. The remote electrical stimulation device as described. 前記電気刺激装置は複数の電流を生体に供給して生体で発生する干渉低周波で生体を刺激する干渉低周波治療器であり、前記遠隔スタンドで、前記複数の電流の各々の電流の周波数と、前記干渉低周波の周波数、前記複数の電流の各々の電流の強さのバランスを調節することができるようにしたことを特徴とする、請求項1又は請求項2記載の遠隔電気刺激装置。 The electrical stimulation device is an interference low-frequency treatment device that stimulates a living body with interference low-frequency generated in the living body by supplying a plurality of currents to the living body, and at the remote stand, the frequency of each of the plurality of currents The remote electrical stimulation device according to claim 1, wherein a balance between the frequency of the interference low frequency and the current intensity of each of the plurality of currents can be adjusted.
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