JPS63226368A - Magnetic field type hyperthermia apparatus - Google Patents
Magnetic field type hyperthermia apparatusInfo
- Publication number
- JPS63226368A JPS63226368A JP62059994A JP5999487A JPS63226368A JP S63226368 A JPS63226368 A JP S63226368A JP 62059994 A JP62059994 A JP 62059994A JP 5999487 A JP5999487 A JP 5999487A JP S63226368 A JPS63226368 A JP S63226368A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- living body
- alternating magnetic
- pair
- frequency current
- 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.)
- Pending
Links
- 206010020843 Hyperthermia Diseases 0.000 title 1
- 230000036031 hyperthermia Effects 0.000 title 1
- 238000000015 thermotherapy Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 201000011510 cancer Diseases 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
本発明は癌治療等に極めて有効な磁界型温熱治療装置に
関するものである。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a magnetic field type thermotherapy device that is extremely effective in cancer treatment and the like.
（従来の技術）
癌等の悪性腫瘍は正常細胞に比べて熱に弱い性質があり
、この性質に着目して癌細胞を選択的に長時間加熱する
ことで死滅させることを目的とした治療法がおる。これ
を「ハイバーサミャ」と称している。この温熱治療法に
おける加温方式としてＲＦ １ｔｌＥ温方式があり、電
界型と磁界型とが知られている。電界型は、平行平板間
に高周波電界をかけ、その間に配置された生体中に高周
波電流を流して生体の有する抵抗損によって加温するも
のであり、磁界型はコイルに高周波電流を流し、その交
番磁界中に生体を配置し、生体中に誘起される“うず電
流″と生体の有する抵抗損とによって加温するものであ
る。周波数はいずれも通常、８、１３．５６ 、２７．
１２ ＭＨｚが使用されている。(Prior art) Malignant tumors such as cancer have a property that they are more sensitive to heat than normal cells, and this treatment focuses on this property and aims to kill cancer cells by selectively heating them for a long time. There is. This is called ``hiversamya''. There is an RF 1tlE heating method as a heating method in this thermotherapy method, and electric field type and magnetic field type are known. The electric field type applies a high-frequency electric field between parallel plates, and a high-frequency current is passed through the living body placed between them to heat it by the resistance loss of the living body.The magnetic field type applies a high-frequency electric field to a coil and heats the living body. A living body is placed in an alternating magnetic field and heated by the "eddy current" induced in the living body and the resistance loss of the living body. The frequencies are usually 8, 13.56, 27.
12 MHz is used.
（発明が解決しようとする問題点）
上記の磁界型ＲＦ ７Ｊ１１温方式においては、表在組
織の加温が容易であるが、高周波（ＭＨ２）帯を使用す
る関係上、コイルに供給されるＲＦ雷電流生成する電源
部が複雑且つ高価にならざるを得す、高磁界を発生し１
りる装置の実現が困難であった。(Problems to be Solved by the Invention) In the magnetic field type RF 7J11 heating method described above, it is easy to heat the superficial tissue, but since a high frequency (MH2) band is used, the RF that is supplied to the coil is The power supply unit that generates the lightning current must be complicated and expensive, and it generates a high magnetic field.
It was difficult to realize a device that could do this.
そこで本発明は上記の欠点を除去するもので、簡単な構
成でおりながら、高磁界を容易に発生することができ、
しかも加温効率の良い磁界型温熱治療装置の提供を目的
としている。Therefore, the present invention aims to eliminate the above-mentioned drawbacks, and has a simple structure, yet can easily generate a high magnetic field.
Moreover, the purpose is to provide a magnetic field type thermotherapy device with high heating efficiency.
［発明の構成］
（問題点を解決するための手段）
本発明は、低周波電流を出力する電源部と、この低周波
電流を取り込んで生体印加用交番磁界を発生する交番磁
界発生部とを有するものである。[Structure of the Invention] (Means for Solving the Problems) The present invention comprises a power supply section that outputs a low frequency current, and an alternating magnetic field generating section that takes in this low frequency current and generates an alternating magnetic field for application to a living body. It is something that you have.
（作 用）
前記電源部より低周波電流を出力させ、この低周波電流
を前記交番磁界発生部に供給することで生体印加用交番
磁界を発生するようにしている。(Function) By outputting a low frequency current from the power supply section and supplying this low frequency current to the alternating magnetic field generating section, an alternating magnetic field for application to a living body is generated.
低周波電流の生成においては、高周波電流の生成に比べ
て回路構成上極めて有利で、簡単な構成でありながら亮
磁界発生のための大電流を容易に出ノＪできる。また、
高周波に比べて取り扱いが容易で、しかも発熱・加温作
用が磁界強度に比例するため熱発生効率が数十パーセン
ト良い。Generation of low frequency current is extremely advantageous in terms of circuit configuration compared to generation of high frequency current, and a large current for generating a bright magnetic field can be easily generated with a simple configuration. Also,
It is easier to handle than high-frequency waves, and the heat generation efficiency is several tens of percent higher because the heat generation and heating effects are proportional to the strength of the magnetic field.
（実施例） 以下、本発明の実施例について説明する。(Example) Examples of the present invention will be described below.
第１図（ａ）は本発明の一実施例装置の構成を示してい
る。同図に示すように本実施例装置は、電源部１．交番
磁界発生部２．制御部３．寝台４を有する。FIG. 1(a) shows the configuration of an apparatus according to an embodiment of the present invention. As shown in the figure, the device of this embodiment includes a power supply section 1. Alternating magnetic field generating section 2. Control unit 3. It has 4 beds.
電源部１は低周波数（数＋Ｋｔｆｚ以下）の交流電流を
出力するもので、この低周波電流は、後段に配置された
交番磁界発生部２に供給されるようになっている。The power supply unit 1 outputs an alternating current with a low frequency (less than a few + Ktfz), and this low frequency current is supplied to an alternating magnetic field generating unit 2 disposed at a subsequent stage.
交番磁界発生部２は、取り込まれた低周波電流に基づい
て生体印加用の交番磁界を発生するもので、その詳細な
構成については後述する。The alternating magnetic field generating section 2 generates an alternating magnetic field for application to a living body based on the taken in low frequency current, and its detailed configuration will be described later.
又、寝台装置４は生体Ｐを載置するもので、Ｙ方向に上
下動し、且つ、生体Ｐ＠載装した状態で矢印Ｘ方向に移
動可能な寝台天板５を僅えている。The bed device 4 is for placing the living body P, and has a bed top 5 which can move up and down in the Y direction and can move in the direction of the arrow X with the living body P placed thereon.
制御部３はこの寝台４及び前記電源部１の動作制御を司
るものである。The control section 3 controls the operation of the bed 4 and the power supply section 1.
次に第１図（ｂ）を参照して前記磁界発生部２の詳細に
ついて説明する。Next, details of the magnetic field generating section 2 will be explained with reference to FIG. 1(b).
同図に示すようにこの交番磁界発生部２は、所定の空隙
を有して対向配置された一対の磁極８゜９と、この一対
の磁極８．９を支持すると共に磁気回路を形成するヨー
ク１０と、前記磁極８．９の周囲に巻回装着され前記低
周波電流の供給により磁極８．９をそれぞれ励磁するコ
イル６．７とを備えて成る。前記寝台４上の生体Ｐは前
記一対の磁極８，９間に配置される。尚、１１はこの交
番磁界発生部２を載置するスタンドである。As shown in the figure, the alternating magnetic field generating section 2 includes a pair of magnetic poles 8.9 that are arranged opposite to each other with a predetermined gap, and a yoke that supports the pair of magnetic poles 8.9 and forms a magnetic circuit. 10, and a coil 6.7 which is wound around the magnetic pole 8.9 and excites the magnetic pole 8.9 by supplying the low frequency current. The living body P on the bed 4 is placed between the pair of magnetic poles 8 and 9. Note that 11 is a stand on which this alternating magnetic field generating section 2 is placed.
上記の構成において、制御部３の制御により、寝台天板
５上の生体Ｐが磁極８，９間に配置され、この状態で電
源部１よりコイル６，７に低周波電流が供給されると、
この低周波電流によって交番磁界が発生し、これが生体
Ｐに印／ＪＯされる。生体の構成組織や体液は全て電気
を通す導体と考えることができ、従って、前記交番磁界
の印ｈＩにより生体中にうず電流が流れる。交番磁界の
方向と垂直な閉ループに流れるうず電流の密度■は、■
＝μ・Ｒ−Ｂ−ＣＯ３（２πｆｔ＞
但しμ：導電率 Ｒ：半径
Ｂ：磁束密度 ｆ：周波数
と表わされ、このうず電流と生体の有する抵抗損とによ
って生体Ｐが加温される。しかして細胞膜の電気特性か
ら数十ＫｔｌＺ以下の低周波では、体内うず電流による
刺激作用と発熱・ＩＪ０温作田作用顕著で（数十ＫＨｚ
以上では発熱・加温作用が主体）、この刺激作用により
代謝促進が図られるため治療効果が大きい。In the above configuration, under the control of the control unit 3, the living body P on the bed top plate 5 is placed between the magnetic poles 8 and 9, and in this state, low frequency current is supplied from the power supply unit 1 to the coils 6 and 7. ,
This low-frequency current generates an alternating magnetic field, which is applied to the living body P. All of the constituent tissues and body fluids of a living body can be considered as conductors that conduct electricity, and therefore, eddy currents flow in the living body due to the application of the alternating magnetic field hI. The density of the eddy current flowing in a closed loop perpendicular to the direction of the alternating magnetic field is
=μ·R−B−CO3(2πft> where μ: conductivity R: radius B: magnetic flux density f: frequency, and the living body P is heated by this eddy current and the resistance loss of the living body. However, due to the electrical characteristics of cell membranes, at low frequencies of several tens of KtlZ or less, stimulation effects due to body eddy currents, heat generation, and IJ0 warming effects are noticeable (several tens of KHz).
In the above cases, the main effect is fever/warming), and this stimulating effect promotes metabolism, so it has a large therapeutic effect.
交番磁界強度及び周波数は制御部３によって制御される
。The alternating magnetic field strength and frequency are controlled by the control unit 3.
このように本実施例装置にあっては、低周波電流によっ
て交番磁界を発生させるようにしたので、高周波電流に
よる場合に比べて大電流化が容易である。特に商用電源
周波数（５０乃至１２０Ｋｌ（Ｚ）をそのまま適用する
ことも可能で、この場合の電源部は極めて簡単に構成す
ることができる。又、高周波に比べて取り扱いも容易で
あり、発熱・加温作用も磁界強度に比例するので熱発生
効率が数十パーセント良くなり、表在組織のみならず生
体深部の／Ｊｌｌ温も可能であり、コイル６．７それぞ
れの中心部に磁極８，９を配置しているため均一性の良
い磁場が形成され生体Ｐ中のうず電流及び抵抗損も一桟
になるなど種々の利点を有する。In this way, in the device of this embodiment, since the alternating magnetic field is generated using a low frequency current, it is easier to increase the current compared to when using a high frequency current. In particular, it is possible to apply the commercial power supply frequency (50 to 120 Kl (Z) as is), and the power supply section in this case can be configured extremely easily.In addition, it is easier to handle than high frequency, and it does not generate heat or heat. Since the warming effect is also proportional to the magnetic field strength, the heat generation efficiency is improved by several tens of percent, and it is possible to heat not only the superficial tissues but also the deep parts of the body. Because of the arrangement, a highly uniform magnetic field is formed, and eddy current and resistance loss in the living body P are reduced to one beam, which has various advantages.
尚、本発明は上記実施例に限定されるものではなく、種
々の変形実施が可能となる。例えば第１図（ｂ＞ではヨ
ーク１０により生体Ｐを包囲するように磁気回路を形成
したが、第２図に示ずように略コ字状のヨーク１０Ａに
よって磁気回路を形成しても良い。かかる構成に８３い
ては、交番磁場中への生体Ｐの出し入れが容易になる。Note that the present invention is not limited to the above-mentioned embodiments, and various modifications can be made. For example, in FIG. 1(b), the magnetic circuit is formed by the yoke 10 so as to surround the living body P, but the magnetic circuit may be formed by a substantially U-shaped yoke 10A as shown in FIG. With such a configuration 83, it becomes easy to take the living body P into and out of the alternating magnetic field.
交番磁界発生部の重量が低下する１等の利点がある。又
、第３図に示すように、略コ字状のヨーク１０Ａの中央
部より回転軸３２を延在形成し、この回転軸３２を略し
字状の架台３４によって回転自在に支持し、回転駆動手
段３５の回転起動によって略コ字状のヨーク１０Ａを回
転するようにしてもよい。This has the first advantage that the weight of the alternating magnetic field generating section is reduced. Further, as shown in FIG. 3, a rotating shaft 32 is formed extending from the center of the substantially U-shaped yoke 10A, and this rotating shaft 32 is rotatably supported by an oval-shaped pedestal 34, and is rotatably driven. The substantially U-shaped yoke 10A may be rotated by starting the rotation of the means 35.
ここでは、回転駆動手段３５として、モータ３０と、こ
のモータ３０のシャフトに軸支されたウオーム３１と、
前記回転軸３２に取り付けられウオーム３１に噛合する
ウオームホイル３３とを有して成るものを適用して（１
）る。かかる構成によれば、モータ３０の回転により、
牛体Ｐに対する交番磁界印加角を調整できるという利点
を有する。尚、ウオームギヤの代わりにベルトやチェー
ン等を適用することもできる。Here, as the rotational driving means 35, a motor 30, a worm 31 pivotally supported by the shaft of the motor 30,
A worm wheel 33 attached to the rotating shaft 32 and meshing with the worm 31 is applied (1).
). According to this configuration, by the rotation of the motor 30,
This has the advantage that the application angle of the alternating magnetic field to the cow body P can be adjusted. Note that a belt, chain, or the like may be used instead of the worm gear.
［発明の効果１
以上詳述したように本発明によれば、簡単な構成であり
ながら高磁界を容易に発生することができ、しかも加熱
効率の良い磁界型温熱治療装置を提供することができる
。[Advantageous Effects of the Invention 1] As detailed above, according to the present invention, it is possible to provide a magnetic field-type thermotherapy device that has a simple configuration, can easily generate a high magnetic field, and has high heating efficiency. .
第１図（ａ＞は本発明一実施例装置のブ［１ツク図、第
１図（ｂ）は本実施例装置における交番磁界発生部の説
明図、第２図及び第３図は他の実施例の説明図でおる。
１・・・電源部、２・・・交番ｖｉ１Ｐｉ１発生部、６
．７・・・コイル、８，９・・・一対の磁極、１０．１
０Ａ−・・ヨーク、Ｐ・・・生体。
代理人 弁理士 則 近 憲 借問
大 胡 典 夫ＣＧ）
第 １ 図FIG. 1 (a) is a block diagram of an apparatus according to an embodiment of the present invention, FIG. This is an explanatory diagram of an embodiment. 1... Power supply section, 2... Police box vi1Pi1 generation section, 6
．． 7... Coil, 8, 9... Pair of magnetic poles, 10.1
0A-... York, P... Living body. Agent: Patent Attorney Nori Chika
Norio Ogo CG) Figure 1
Claims (2)
を取り込んで生体印加用交番磁界を発生する交番磁界発
生部とを有することを特徴とする磁界型温熱治療装置。(1) A magnetic field-type thermotherapy device characterized by having a power supply unit that outputs a low-frequency current, and an alternating magnetic field generation unit that takes in the low-frequency current and generates an alternating magnetic field for application to a living body.
配置された一対の磁極と、この一対の磁極を固定すると
共に磁気回路を形成するヨークと、前記低周波電流の供
給により前記一対の磁極を励磁するコイルとを有する特
許請求の範囲第１項記載の磁界型温熱治療装置。(2) The alternating magnetic field generating section includes a pair of magnetic poles that are arranged opposite to each other with a predetermined gap, a yoke that fixes the pair of magnetic poles and forms a magnetic circuit, and a yoke that fixes the pair of magnetic poles and forms a magnetic circuit. The magnetic field type thermotherapy device according to claim 1, further comprising a coil that excites a pair of magnetic poles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62059994A JPS63226368A (en) | 1987-03-17 | 1987-03-17 | Magnetic field type hyperthermia apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62059994A JPS63226368A (en) | 1987-03-17 | 1987-03-17 | Magnetic field type hyperthermia apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63226368A true JPS63226368A (en) | 1988-09-21 |
Family
ID=13129231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62059994A Pending JPS63226368A (en) | 1987-03-17 | 1987-03-17 | Magnetic field type hyperthermia apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63226368A (en) |
-
1987
- 1987-03-17 JP JP62059994A patent/JPS63226368A/en active Pending
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