JPH02172455A - Method and device of detecting pain sensation - Google Patents
Method and device of detecting pain sensationInfo
- Publication number
- JPH02172455A JPH02172455A JP32829388A JP32829388A JPH02172455A JP H02172455 A JPH02172455 A JP H02172455A JP 32829388 A JP32829388 A JP 32829388A JP 32829388 A JP32829388 A JP 32829388A JP H02172455 A JPH02172455 A JP H02172455A
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- electromuscle
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Links
- 230000008058 pain sensation Effects 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title abstract description 6
- 230000001133 acceleration Effects 0.000 claims abstract description 65
- 238000001514 detection method Methods 0.000 claims abstract description 50
- 230000003183 myoelectrical effect Effects 0.000 claims description 36
- 230000000638 stimulation Effects 0.000 claims description 15
- 230000002232 neuromuscular Effects 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 5
- 230000036982 action potential Effects 0.000 description 3
- 206010013082 Discomfort Diseases 0.000 description 2
- 208000003443 Unconsciousness Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、生体に電気的又は機械的刺激を与えて治療
を行うための当該痛覚を検出すする方法及びこれを実施
するための装置に関する。Detailed Description of the Invention (Industrial Application Field) The present invention relates to a method of detecting pain sensation for treatment by applying electrical or mechanical stimulation to a living body, and an apparatus for carrying out the method. .
（従来の技術）
従来より、生体に電気的刺激を与えて疼痛、肩凝り、そ
の他の不快感を緩和したつ治療したりする治療装置、或
いは、生体にローラ等によって機械的に刺激を与えて疼
痛、肩凝り、その他の不快感を緩和したり治療したりす
る治療装置が実用に供されている。これら治療装置はい
ずれも患者の患部に電気的又は機械的刺激を与えるため
の、コンピュータ等で構成した制御部を具え、この制御
部によって電極から適度な電気的刺激信号を患部に与え
たり、或いは、制御部によって適度な強度でローラを駆
動させて患部に機械的刺激を与える手法を採っている。(Prior Art) Conventionally, there have been treatment devices that provide electrical stimulation to a living body to relieve and treat pain, stiff shoulders, and other discomfort, or mechanical stimulation that is applied to a living body using rollers or the like. BACKGROUND OF THE INVENTION Treatment devices that alleviate or treat pain, stiff shoulders, and other discomforts are in practical use. All of these treatment devices are equipped with a control unit configured with a computer or the like to apply electrical or mechanical stimulation to the affected area of the patient, and this control unit applies appropriate electrical stimulation signals to the affected area from the electrodes, or , a method is adopted in which a control unit drives a roller at an appropriate intensity to apply mechanical stimulation to the affected area.
このように、従来の手法であっても患部に電気的又は機
械的刺激を適切に、場合によってはその強度を調整しな
がら、与えることは可能である。In this way, even with conventional techniques, it is possible to appropriately apply electrical or mechanical stimulation to the affected area, adjusting the intensity as the case may be.
（発明が解決しようとする課題）
しかしながら、従来の手法では、患者が痛みとか、その
他の不快感を感じた時、その痛み、不快感等の発生箇所
すなわち患部に適切に刺激信号を与えるためには、患者
自ら、刺激選択ボタン又はダイヤルで患部の箇所の選択
を行って制御部に患部箇所の指定の指令を与え、この指
令に応答して指定された患部に、疼痛等に応じた適切な
大きざの刺激を与える必要があったため、患者にとり、
この患部箇所の正しい選択指定は著しく煩わしい操作で
あった。(Problem to be Solved by the Invention) However, in the conventional method, when a patient feels pain or other discomfort, it is difficult to appropriately apply a stimulation signal to the location where the pain or discomfort occurs, that is, the affected area. The patient himself/herself selects the affected area using the stimulus selection button or dial and gives a command to the control unit to specify the affected area. Because it was necessary to give a large stimulus, it was difficult for the patient.
Correctly selecting and specifying the affected area is a very troublesome operation.
そこで、この出願の発明者は種々の研究を行ったところ
、痛み等が生ずると、神経筋に活動電位すなわち筋電が
発生すると共に、この痛みに応答して身体に動きが生ず
ることに着目し、痛覚を検出することにより、痛み、凝
り及び又はその他の不快感を感している箇所を自動的に
検出することが出来ることを発見した。Therefore, the inventor of this application conducted various studies and focused on the fact that when pain or the like occurs, action potentials, or myoelectricity, are generated in the nerve muscles, and the body also moves in response to this pain. have discovered that by detecting pain sensation, it is possible to automatically detect areas experiencing pain, stiffness, and/or other discomfort.
この発明の目的は、上述した従来の問題点に鑑み、疼痛
等の不快感発生箇所の選定を患者の手動選択に替わり自
動的に行えるようにするための、痛覚検出方法及び製画
を提供することにある。In view of the above-mentioned conventional problems, it is an object of the present invention to provide a pain detection method and drawing that allow automatic selection of the location where discomfort such as pain occurs instead of manual selection by the patient. There is a particular thing.
（課題を解決するための手段）
この目的の達成を図るため、この発明による痛覚検出方
法によれば、
筋電信号と、生体の動きによる加速度信号とを検出し、
これら検出された節電及び加速度信号のタイミングがあ
った時痛覚を検出したとして、電気的又は機械的刺激を
与えるための痛覚検出信号を発生させることを特徴とす
る。(Means for Solving the Problem) In order to achieve this objective, according to the pain detection method according to the present invention, a myoelectric signal and an acceleration signal due to the movement of a living body are detected,
The present invention is characterized in that when the timing of these detected power saving and acceleration signals is met, a pain sensation is detected and a pain detection signal for applying electrical or mechanical stimulation is generated.
さらに、この発明による痛覚検出装置によれば、
筋電検出電極と、筋電検出回路と、筋電比較器とを具え
る筋電検出部、
加速度センサと、加速度検出回路と、加速度比較器とを
具える加速度検出部、及び
前記筋電比較器からの筋電出力と前記加速度比較器から
の加速度出力との論理積信号を、電気的又は機械的刺激
信号を与えるための痛覚検出信号として、出力する論理
演算回路
を具えることを特徴とする。Furthermore, according to the pain detection device according to the present invention, the myoelectric detection section includes a myoelectric detection electrode, a myoelectric detection circuit, and a myoelectric comparator, an acceleration sensor, an acceleration detection circuit, and an acceleration comparator. and an AND signal of the myoelectric output from the myoelectric comparator and the acceleration output from the acceleration comparator as a pain detection signal for giving an electrical or mechanical stimulation signal, It is characterized by comprising a logical operation circuit that outputs.
（作用）
この発明の方法及び装置によれば、生体である身体に痛
みが発生すると筋電が発生するので、筋電検出部を設け
この発生した筋電を検出して筋電検出信号を得る。一方
、痛みが発生すると、通常は身体に動きが生じて加速度
が発生するので、加速度検出部を設けて身体の動きの加
速度を検出して加速度信号を得る。そして、両信号のタ
イミングが一致したことを論理演算回路で検出する構成
となっているので、患部に痛覚が発生したことを確英（
こ検出することが可能である。身体の所要箇所に、筋電
検出電極と加速度センサを設置すれば、痛覚が検出され
た患部位ＩＩヲ特定することが出来る。(Operation) According to the method and device of the present invention, myoelectricity is generated when pain occurs in a living body, so a myoelectricity detection section is provided to detect the generated myoelectricity and obtain a myoelectricity detection signal. . On the other hand, when pain occurs, the body usually moves and acceleration is generated, so an acceleration detection section is provided to detect the acceleration of the body movement and obtain an acceleration signal. Since the configuration is such that a logical operation circuit detects when the timings of both signals match, it can be confirmed with certainty that pain sensation has occurred in the affected area.
It is possible to detect this. By installing myoelectricity detection electrodes and acceleration sensors at required locations on the body, it is possible to specify the affected area II where the sensation of pain is detected.
（実施例）
以下、図面を参照してこの発明の痛覚検出方法及びその
装置の実施例につき説明する。(Embodiments) Hereinafter, embodiments of the pain detection method and device of the present invention will be described with reference to the drawings.
第１図は痛覚検出を行うための、この発明の痛覚検出装
置の好適実施例を示すブロック図である。FIG. 1 is a block diagram showing a preferred embodiment of the pain detection device of the present invention for detecting pain.
先ず、この発明においては、筋電の発生を検出するため
の筋電検出部１００、身体の動きを検出するための加速
度検出部２００及び雨検出信号に一致から痛覚検出信号
を出力するための論理演算回路３００を設ける。First, in this invention, a myoelectricity detection section 100 for detecting the occurrence of myoelectricity, an acceleration detection section 200 for detecting body movement, and a logic for outputting a pain detection signal based on coincidence with a rain detection signal. An arithmetic circuit 300 is provided.
この実施例では、筋電検出部１００を筋電検出電極１１
０、筋電検出回路１２０と、筋電比較器１３０とを以っ
て構成する。筋電検出電極１１０は所定の患部に取り付
けられ、筋電従って神経筋の活動電位を電圧信号として
検出する。筋−電検出回路１２０は、この実施例では、
電極１１０からの筋電信号を増幅する前言増幅器１２２
と、この前置増幅器１２２からの信号から主として商用
の５０及び６０Ｈｚの信号と１００Ｈｚ以上の信号を雑
音として除去するためのフィルタ１２４と、このフィル
タ１２４ヲ経て得られた筋電信号の絶対値を増幅して筋
電比較器１３０へ出力する絶対値増幅器１２６とを以っ
て構成する。筋電比較器＋３０は、その一方の入力とし
て、この検出された筋電信号が供給されると共に、他方
の入力として、筋電基準電圧が供給され、筋電信号が筋
電基準電圧よりも大であるときに筋電が検出されたとし
で筋電出力を出力する。In this embodiment, the myoelectric detection section 100 is replaced by the myoelectric detection electrode 11.
0. It is composed of a myoelectric detection circuit 120 and a myoelectric comparator 130. The myoelectricity detection electrode 110 is attached to a predetermined affected area and detects myoelectricity, that is, neuromuscular action potential, as a voltage signal. In this embodiment, the myoelectrical detection circuit 120 includes:
Pre-amplifier 122 amplifies the myoelectric signal from electrode 110
and a filter 124 for removing mainly commercial 50 and 60 Hz signals and signals of 100 Hz or more as noise from the signal from this preamplifier 122, and the absolute value of the myoelectric signal obtained through this filter 124. The absolute value amplifier 126 amplifies and outputs the amplified signal to the myoelectric comparator 130. The myoelectric comparator +30 is supplied with the detected myoelectric signal as one input, and is supplied with the myoelectric reference voltage as the other input, so that the myoelectric signal is larger than the myoelectric reference voltage. It is assumed that myoelectricity is detected when , and a myoelectricity output is output.
この筋電基準電圧は予め経験により定めることが出来、
これを適当な基準電圧設定手段Ｅ１又は治療装置の制御
部に設けたメモリ（図示せず）予め格納しておいて、こ
れを読出して与えるように構成することが出来る。This myoelectric reference voltage can be determined in advance through experience,
It is possible to store this in advance in an appropriate reference voltage setting means E1 or in a memory (not shown) provided in the control unit of the treatment apparatus, and to read and provide the same.
ここで説明した筋電検出電極１１０、前言増幅器１２２
、フィルタ１２４、絶対増幅器１２６、筋電比較器１３
０及び基準電圧設定手段Ｅ１の各構成成分自体は従来の
通常の技術を用いて容易かつ簡単に構成することが出来
、又、その回路構成は設計に応じて任意好適な構成とす
ることが出来る。Myoelectric detection electrode 110 and preamplifier 122 described here
, filter 124, absolute amplifier 126, myoelectric comparator 13
0 and each component of the reference voltage setting means E1 can be constructed easily and simply using conventional techniques, and the circuit configuration can be any suitable configuration depending on the design. .
ところで、この筋電信号は、神経筋に痛みが感じている
場合はもとより、神経筋に痛みを感じていない場合でも
゛、すなわち、無意識の時でも発生する場合がある。そ
のような無意識時に発生する筋電信号を除去する必要が
ある。Incidentally, this myoelectric signal may be generated not only when a person is feeling neuromuscular pain, but also when the person is not feeling neuromuscular pain, that is, even when the person is unconscious. It is necessary to remove such myoelectric signals generated during unconsciousness.
そのため、この発明では、痛みを感じた時、身体に動き
が起ることに着目し、この身体の動きによる加速度を検
出してこの加速度が検出されていると同時に筋電信号も
検出されていれば、これは神経筋の痛み等の不快感に起
因する活動電位に基づく痛覚であると断定することが出
来る。Therefore, in this invention, we focus on the fact that movement occurs in the body when we feel pain, and detect the acceleration caused by this movement of the body. For example, it can be concluded that this is pain sensation based on action potentials caused by discomfort such as neuromuscular pain.
そこで、この発明では、加速度検出部２００を設けてい
る。この実施例では、加速度検出部２００を加速度セン
サ２１０と、加速度検出回路２２０と、加速度比較器２
３０・とを以って構成する。Therefore, in this invention, an acceleration detection section 200 is provided. In this embodiment, the acceleration detection section 200 includes an acceleration sensor 210, an acceleration detection circuit 220, and an acceleration comparator 2.
30.
加速度センサ２１０は所定の患部、好ましくは、筋電検
出電極１１０間又はその近傍に取り付け、神経筋に疼痛
、肩凝り、その他の不快感等を感じた時これに起因して
主する身体の動きを検出して電圧信号としての加速度信
号を出力する。The acceleration sensor 210 is attached to a predetermined affected area, preferably between or near the myoelectric detection electrodes 110, and detects the main body movements caused by neuromuscular pain, stiff shoulders, or other discomfort. is detected and outputs an acceleration signal as a voltage signal.
加速度検出回路２２０は、この実施例では、電極２１０
からの加速度信号を増幅する前置増幅器２２２と、この
前言増幅器２２２からの増幅された加速度信号から主と
して商用の５０及び６０Ｈｚの信号と１００Ｈｚ以上の
信号を雑音として除去するためのフィルタ２２４と、こ
のフィルタ２２４ヲ経て得られた加速度信号の絶対値を
増幅して加速度比較器２３０へ出力する絶対値増幅器２
２６とを以って構成する。加速度比較器２３０は、その
一方の入力として、この検出された加速度信号が供給さ
れると共に、他方の入力として、加速度基準電圧が供給
され、加速度信号がこの加速度基準電圧よりも大である
ときに加速度検出したとして加速度出力を出力する。こ
の加速度基準電圧は予め経験により定めることが出来、
これを適当な基準電圧設定手段Ｅ２又は治療装置の制御
部に設けたメモリ（図示せず）予め格納しておいて、こ
れを読出して与えるように構成することが出来る。Acceleration detection circuit 220, in this example, connects electrode 210
a preamplifier 222 for amplifying the acceleration signal from the preamplifier 222; a filter 224 for removing mainly commercial 50 and 60Hz signals and signals of 100Hz or more as noise from the amplified acceleration signal from the preamplifier 222; an absolute value amplifier 2 that amplifies the absolute value of the acceleration signal obtained through the filter 224 and outputs it to the acceleration comparator 230;
26. The acceleration comparator 230 is supplied with this detected acceleration signal as one input thereof, and is supplied with an acceleration reference voltage as its other input, and when the acceleration signal is greater than this acceleration reference voltage, Outputs acceleration output as if acceleration has been detected. This acceleration reference voltage can be determined in advance by experience,
It is possible to store this in advance in an appropriate reference voltage setting means E2 or in a memory (not shown) provided in the control unit of the treatment apparatus, and to read it out and provide it.
ここで説明した加速度検出電極２１０、前言増幅器２２
２、フィルタ２２４、絶対値増幅器２２６、加速度比較
器２３０及び基準電圧設定手段Ｅ２の各構成成分自体は
従来の通常の技術を用いて容易かつ簡単に構成すること
が出来、又、その回路構成は設計に応じて任意好適な構
成とすることが出来る。Acceleration detection electrode 210 and preamplifier 22 described here
2. The filter 224, the absolute value amplifier 226, the acceleration comparator 230, and the reference voltage setting means E2 can be easily and simply constructed using conventional techniques, and the circuit configuration thereof is as follows. Any suitable configuration can be used depending on the design.
さらに、この実施例では、筋電検出部１００の筋電比較
器１３０からの筋電出力と、加速度検出部２００の加速
度比較器２３０からの加速度出力とを論理演算回路３０
０へ送り、論理演算回路３００からこれら両信号の論理
積信号を、電気的又は機械的刺激信号を与えるための痛
覚検出信号として、出力する。従って、筋電出力と加速
度出力の両信号のタイミングが一致している場合にのみ
、痛みに起因する節電及び身体の動きが生じでいると判
定して、痛覚検出信号が治療装置の制御部（図示せず）
に送られる。この論理演算回路３００は従来の通常の技
術を用いて簡単かつ容易に構成することが出来、又、そ
の回路構成は設計に応じて任意好適な構成とすることが
出来る。Further, in this embodiment, the myoelectric output from the myoelectric comparator 130 of the myoelectric detection unit 100 and the acceleration output from the acceleration comparator 230 of the acceleration detection unit 200 are input to the logic operation circuit 30.
0, and the logic operation circuit 300 outputs an AND signal of these two signals as a pain detection signal for providing an electrical or mechanical stimulation signal. Therefore, only when the timings of both myoelectric output and acceleration output signals match, it is determined that power saving and body movement due to pain are occurring, and the pain detection signal is transmitted to the control unit of the treatment device ( (not shown)
sent to. This logic operation circuit 300 can be constructed simply and easily using conventional techniques, and its circuit configuration can be any suitable configuration depending on the design.
（発明の効果）
上述した説明からも明らかなように、この発明の痛覚検
出方法及び痛覚検出信号によれば、神経筋の疼痛、肩凝
り、その他の不快感に起因する節電及び身体の動きの加
速度を検出して、筋電出力及び加速度出力の両者のタイ
ミングが一致した場合のみ痛覚検出信号を出力する構成
となっているので、患部での痛覚の検出を確実に自動的
に行なえる。従って、この発明によれば、この痛覚検出
信号を治療装置の制御部へ送り、刺激信号の制御に用い
ることが出来るので、従来の治療装置のような患者自身
による痛覚の発生箇所の手動選択繰作を行わずに、痛覚
検出信号を用いて自動的に痛覚発生箇所に選択はもとよ
り、所要に応じその刺激の大きざの制御をも行うことが
可能となるという利益を奏する。(Effects of the Invention) As is clear from the above description, the pain detection method and pain detection signal of the present invention can reduce power consumption and reduce body movement caused by neuromuscular pain, stiff shoulders, and other discomforts. Since it is configured to detect acceleration and output a pain detection signal only when the timings of both myoelectric output and acceleration output match, it is possible to reliably and automatically detect pain in the affected area. Therefore, according to the present invention, this pain detection signal can be sent to the control unit of the treatment device and used to control the stimulation signal, so that unlike conventional treatment devices, the patient can manually select the location where the pain sensation occurs. This has the advantage that it is possible to automatically select the location where a pain sensation is generated using the pain detection signal, and also to control the size of the stimulus as required, without having to perform any operations.
である。It is.
００・・・筋電検出部、 ＋１０・・・筋電検出電極
２０・・・筋電検出回路、 ＋２２．２２２・・・前置
増幅器２４．２２４・・・フィルタ
２６．２２６−・・絶対値増幅器
３０・・・筋電比較器、 ２１０−・・加速度センサ
２２０・・・加速度検出回路、２３０・・・加速度比較
器３００・・・論理演算回路
Ｅ、、Ｅ２・・・基準電圧設定手段。00...Myoelectric detection unit, +10...Myoelectric detection electrode 20...Myoelectric detection circuit, +22.222...Preamplifier 24.224...Filter 26.226-...Absolute value Amplifier 30... myoelectric comparator, 210... acceleration sensor 220... acceleration detection circuit, 230... acceleration comparator 300... logical operation circuit E,, E2... reference voltage setting means.
Claims (2)
に当り、 筋電信号と、生体の動きによる加速度信号とを検出し、
これら検出された節電及び加速度信号のタイミングがあ
った時痛覚を検出したとして、電気的又は機械的刺激を
与えるための痛覚検出信号を発生させる ことを特徴とする痛覚検出方法。(1) When performing treatment by applying electrical or mechanical stimulation to a living body, detect myoelectric signals and acceleration signals due to the movement of the living body,
A pain detection method characterized by generating a pain detection signal for applying electrical or mechanical stimulation when a pain sensation is detected at the timing of these detected power saving and acceleration signals.
を具える節電検出部、 加速度センサと、加速度検出回路と、加速度比較器とを
具える加速度検出部、及び 前記節電比較器からの節電出力と前記加速度比較器から
の加速度出力との論理積信号を、電気的又は機械的刺激
信号を与えるための痛覚検出信号として、出力する論理
演算回路 を具えることを特徴とする痛覚検出装置。(2) A power saving detecting section comprising a power saving detecting electrode, a power saving detecting circuit, and a power saving comparator; an acceleration detecting section comprising an acceleration sensor, an acceleration detecting circuit, and an acceleration comparator; and the power saving comparator. Pain detection characterized by comprising a logic operation circuit that outputs an AND signal of the power saving output of the power saving output and the acceleration output from the acceleration comparator as a pain detection signal for giving an electrical or mechanical stimulation signal. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32829388A JPH02172455A (en) | 1988-12-26 | 1988-12-26 | Method and device of detecting pain sensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32829388A JPH02172455A (en) | 1988-12-26 | 1988-12-26 | Method and device of detecting pain sensation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02172455A true JPH02172455A (en) | 1990-07-04 |
| JPH0364127B2 JPH0364127B2 (en) | 1991-10-04 |
Family
ID=18208612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32829388A Granted JPH02172455A (en) | 1988-12-26 | 1988-12-26 | Method and device of detecting pain sensation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02172455A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001080744A1 (en) * | 2000-04-26 | 2001-11-01 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Pain inferring device and pain inferring method |
| JP2016116626A (en) * | 2014-12-19 | 2016-06-30 | テルモ株式会社 | Pain evaluation method of liquid medicine administration, and selection method of liquid medicine administration |
| KR20170102004A (en) * | 2015-01-10 | 2017-09-06 | 드보라 둘렌 | Method and apparatus for diagnosing and validating patient care and measuring autonomic function for results |
-
1988
- 1988-12-26 JP JP32829388A patent/JPH02172455A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001080744A1 (en) * | 2000-04-26 | 2001-11-01 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Pain inferring device and pain inferring method |
| JP2016116626A (en) * | 2014-12-19 | 2016-06-30 | テルモ株式会社 | Pain evaluation method of liquid medicine administration, and selection method of liquid medicine administration |
| KR20170102004A (en) * | 2015-01-10 | 2017-09-06 | 드보라 둘렌 | Method and apparatus for diagnosing and validating patient care and measuring autonomic function for results |
| JP2018507078A (en) * | 2015-01-10 | 2018-03-15 | デュレン、デボラ | Method and apparatus for measuring autonomic function for diagnosis and verification of patient treatment and outcome |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0364127B2 (en) | 1991-10-04 |
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