JP2906265B2 - High frequency hyperthermia treatment device matching device and high frequency hyperthermia treatment device - Google Patents
High frequency hyperthermia treatment device matching device and high frequency hyperthermia treatment deviceInfo
- Publication number
- JP2906265B2 JP2906265B2 JP5778790A JP5778790A JP2906265B2 JP 2906265 B2 JP2906265 B2 JP 2906265B2 JP 5778790 A JP5778790 A JP 5778790A JP 5778790 A JP5778790 A JP 5778790A JP 2906265 B2 JP2906265 B2 JP 2906265B2
- Authority
- JP
- Japan
- Prior art keywords
- matching
- high frequency
- load impedance
- treatment device
- hyperthermia treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Electrotherapy Devices (AREA)
Description
【発明の詳細な説明】 （イ）産業上の利用分野 この発明は、高周波温熱治療装置の整合装置及びこの
整合装置を用いた高周波温熱治療装置に関する。The present invention relates to a matching device for a high-frequency thermotherapy device and a high-frequency thermotherapy device using the matching device.
（ロ）従来の技術 一般に高周波温熱治療装置では、高周波信号を有効に
電極を介して負荷に供給するために、高周波出力回路と
治療用電極間に整合装置（マッチング回路）を設けてい
る。この種の整合装置として使用される回路には、第２
図（ａ）、第２図（ｂ）に示すＴ型平衡整合回路と、第
３図（ａ）、第３図（ｂ）に示すπ型平衡整合回路があ
る。第２図（ａ）に示す回路は、バラン１の出力側に可
変コンデンサVC1、VC2、VC3、VC4と可変インダクタンス
Ｌとで構成されるＴ型平衡回路が、可変コンデンサV
C1、VC2を連動で、さらに可変コンデンサVC3、VC4を連
動で変化させてマッチングを取るものである。また第２
図（ｂ）に示す回路はバラン１の出力側に可変インダク
タンスL1、L2、L3、L4と可変コンデンサVC1で構成され
るＴ型平衡回路が接続されてなるものであり、可変イン
ダクタンスL1、L2を連動で可変インダクタンスL3、L4を
連動で変化させて、マッチングを取るものである。(B) Conventional technology Generally, in a high-frequency thermotherapy device, a matching device (matching circuit) is provided between a high-frequency output circuit and a therapeutic electrode in order to effectively supply a high-frequency signal to a load via an electrode. Circuits used as this type of matching device include a second
There are a T-type balanced matching circuit shown in FIGS. 2A and 2B, and a π-type balanced matching circuit shown in FIGS. 2A and 2B. In the circuit shown in FIG. 2A, a T-type balanced circuit composed of variable capacitors VC 1 , VC 2 , VC 3 , VC 4 and a variable inductance L is provided on the output side of the balun 1.
In conjunction with C 1, VC 2, in which further varied interlocking the variable capacitor VC 3, VC 4 and matching. Also the second
The circuit shown in FIG. 2B is a circuit in which a T-type balanced circuit composed of variable inductances L 1 , L 2 , L 3 , L 4 and a variable capacitor VC 1 is connected to the output side of the balun 1 and is variable. The inductances L 1 and L 2 are linked and the variable inductances L 3 and L 4 are linked and changed to achieve matching.
また、第３図（ａ）に示す回路は、バラン１の出力側
に可変コンデンサVC1、VC2と可変インダクタンスL1、L2
で構成されるπ型平衡回路が接続されてなるものであ
り、可変インダクタンスL1、L2を連動してマッチングを
取る必要がある。第３図（ｂ）に示す回路はバラン１の
出力側に、可変インダクタンスL1、L2と可変コンデンサ
VC1、VC2で構成されるπ型平衡回路が接続されてなるも
のであり、可変コンデンサVC1、VC2を連動してマッチン
グを取る必要がある。The circuit shown in FIG. 3A has variable capacitors VC 1 , VC 2 and variable inductances L 1 , L 2
Are connected to each other, and it is necessary to match the variable inductances L 1 and L 2 in conjunction with each other. The circuit shown in FIG. 3 (b) has variable inductances L 1 and L 2 and a variable capacitor on the output side of balun 1.
A π-type balanced circuit composed of VC 1 and VC 2 is connected, and it is necessary to match the variable capacitors VC 1 and VC 2 in conjunction.
（ハ）発明が解決しようとする課題 上記した従来の高周波温熱治療装置の整合装置では、
いずれも整合回路の可変インダクタンス（コイル）や可
変コンデンサがペアで必要であり、平衡を保って配置す
る必要があり、又その分大型化する問題がある。又コイ
ルやコンデンサは最低でも２つ以上の調整ができるよう
にする必要があるが、調整が複雑である上に、広い整合
範囲から目的の整合を取るのに時間が必要であり、交互
に何度も調整する必要がある。また、自動整合するため
にはソフトが複雑となり、自動整合に時間が必要となる
等の問題がある。(C) Problems to be Solved by the Invention In the above-mentioned matching device of the conventional high-frequency hyperthermia treatment device,
In each case, a variable inductance (coil) and a variable capacitor of the matching circuit are required in pairs, and they need to be arranged in a balanced manner, and there is a problem that the size is increased accordingly. In addition, it is necessary to make at least two adjustments for the coil and capacitor. However, the adjustment is complicated and it takes time to obtain the desired matching from a wide matching range. It is necessary to adjust the degree. In addition, there is a problem that software is complicated for automatic alignment and time is required for automatic alignment.
この発明は、上記問題点に着目してなされたものであ
って、構成が簡単で調整が容易な整合装置を提供するこ
とを目的としている。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a matching device having a simple configuration and easy adjustment.
（ニ）課題を解決するための手段及び作用 この発明の高周波温熱治療装置の整合装置は、負荷イ
ンピーダンスの実数部を調整し得る第１の整合部と、負
荷インピーダンスの虚数部を調整し得る第２の整合部と
を備えている。(D) Means and Action for Solving the Problems The matching device of the high-frequency thermotherapy device of the present invention has a first matching portion capable of adjusting the real part of the load impedance and a second matching portion capable of adjusting the imaginary part of the load impedance. And two matching sections.
また、この発明の高周波温熱治療装置は、高周波信号
出力回路より治療電極間に高周信号を印加して治療を行
うものにおいて、前記高周波信号出力回路と前記治療電
極間に、負荷インピーダンスの実数部を調整し得る第１
の整合部と、負荷インピーダンスの虚数部を調整し得る
第２の整合部とを備えている。Further, the high-frequency thermotherapy device of the present invention is configured to apply a high frequency signal between the treatment electrodes from a high-frequency signal output circuit to perform treatment, wherein a real part of a load impedance is provided between the high-frequency signal output circuit and the treatment electrode. Can adjust the first
And a second matching unit capable of adjusting the imaginary part of the load impedance.
この高周波温熱治療装置の整合装置及び高周波温熱治
療装置では、第１の整合部で調整を行うことにより、負
荷インピーダンスの実数部が虚数部と分離して整合が取
られる。又第２の整合部で調整を行うことにより、負荷
インピーダンスの虚数部が実数部と分離して整合が取ら
れる。In the matching device and the high-frequency thermotherapy device of the high-frequency hyperthermia device, the real part of the load impedance is separated from the imaginary part and adjusted by performing adjustment in the first matching unit. In addition, by performing the adjustment in the second matching section, the imaginary part of the load impedance is separated from the real part to achieve matching.
（ホ）実施例 以下、実施例により、この発明をさらに詳細に説明す
る。(E) Examples Hereinafter, the present invention will be described in more detail with reference to examples.
第１図は、この発明の一実施例を示す高周波温熱治療
装置の整合装置の回路図である。FIG. 1 is a circuit diagram of a matching device of a high-frequency thermotherapy device according to an embodiment of the present invention.
第１図において、入力端子Piには可変コンデンサVC3
の一端が接続され、この可変コンデンサVC3の他端はバ
ラン１の入力コイルLPに接続され、入力コイルLPの他端
は、入力ケーブルの接地端子PGに接続されている。さら
に入力コイルLPに並列にコイルＬが接続されている。In Figure 1, the input terminal P i variable capacitor VC 3
The one end of the connection, the other end of the variable capacitor VC 3 is connected to the input coil L P of the balun 1, the other end of the input coil L P is connected to the ground terminal P G input cable. Coil L is connected in parallel to a further input coil L P.
バラン１の出力コイルLSの一端には可変コンデンサVC
1の一端が接続され、この可変コンデンサVC1の他端には
治療用電極２が接続される。また、出力コイルLSの他端
には可変コンデンサVC2の一端が接続され、この可変コ
ンデンサVC2の他端には治療用電極３が接続される。治
療に際しては、治療用電極２、３間に患部（負荷）４が
挟持される。可変コンデンサVC1、VC2は連動で容量が変
化されるようになっている。A variable capacitor VC is connected to one end of the output coil L S of the balun 1.
1 is connected to one end, and the other end of the variable capacitor VC1 is connected to the treatment electrode 2. Further, the other end of the output coil L S is connected to one end of the variable capacitor VC 2, this is the other end of the variable capacitor VC 2 is therapeutic electrodes 3 are connected. During treatment, an affected part (load) 4 is sandwiched between the treatment electrodes 2 and 3. The capacitances of the variable capacitors VC 1 and VC 2 are changed in conjunction with each other.
上記のように接続構成される実施例回路において、バ
ラン１の入力側の可変コンデンサVC3、コイルL1で負荷
インピーダンスの実数値調整部（第１の整合部）５を構
成し、バラン１の出力側の可変コンデンサVC1、VC2で負
荷インピーダンスの虚数値調整部（第２の整合部）６を
構成している。In the embodiment circuit configured as described above, the variable capacitor VC 3 on the input side of the balun 1 and the coil L 1 constitute a real-value adjusting unit (first matching unit) 5 for the load impedance. The variable capacitors VC 1 and VC 2 on the output side constitute an imaginary value adjusting section (second matching section) 6 for the load impedance.
この実施例回路において、整合を取る場合は、先ず実
数値調整部５が可変コンデンサVC3を変化させて、負荷
インピーダンスの実数値のみを調整し、整合を取る。実
数値調整部５は100％の実数変化はできないが、可変コ
ンデンサVC3とコイルL1の定数を選択することにより、
ほぼ実数上を変動できるポイントがある。In this example circuit, if matching, first real value adjusting section 5 by changing the variable capacitor VC 3, to adjust only the real value of the load impedance, matching. Although the real value adjusting unit 5 cannot change the real number by 100%, by selecting the constants of the variable capacitor VC 3 and the coil L 1 ,
There is a point that can fluctuate almost on real numbers.
次に、虚数値調整部５の可変コンデンサVC1、VC2を変
化させて負荷インピーダンスの虚数値のみを調整し、整
合を取る。Next, only the imaginary value of the load impedance is adjusted by changing the variable capacitors VC 1 and VC 2 of the imaginary value adjusting unit 5 to achieve matching.
以上のように、この実施例回路では、負荷インピーダ
ンスの実数値と虚数値を分離して個別に調整することが
できる。As described above, in the circuit of this embodiment, the real value and the imaginary value of the load impedance can be separately adjusted.
（ヘ）発明の効果 この発明によれば、負荷インピーダンスの実数部を調
整し得る第１の整合部と、負荷インピーダンスの虚数部
を調整し得る第２の整合部とを備えるものであるから、 整合回路の部品数が少なくなり小型化できる上、エネ
ルギー損失も少なくなる。(F) Effects of the Invention According to the present invention, the first matching section that can adjust the real part of the load impedance and the second matching section that can adjust the imaginary part of the load impedance are provided. The number of components of the matching circuit is reduced, the size can be reduced, and the energy loss is reduced.
平衡を保って配置する必要がある部分が半減し、その
分調整、設計が容易となる。The parts that need to be arranged in a balanced manner are halved, and adjustment and design are facilitated accordingly.
実数部と虚数部を個別に調整できるので、調整が簡単
となり、交互に調整する必要がなく、調整時間が短くな
る。Since the real part and the imaginary part can be adjusted individually, the adjustment is simplified, there is no need to perform the adjustment alternately, and the adjustment time is shortened.
自動整合するときでも、ソフトウェア構成が簡単であ
り、やはり整合時間が短くなる。Even when performing automatic matching, the software configuration is simple and the matching time is also short.
治療中に発汗等で整合がずれても簡単に再調整し、整
合が取れる。Even if the alignment is misaligned due to sweating or the like during treatment, it can be easily readjusted and the alignment can be obtained.
等の利点がある。There are advantages such as.
第１図は、この発明の一実施例を示す高周波温熱治療装
置の整合装置の回路図、第２図（ａ）、第２図（ｂ）
は、従来のＴ型平衡整合回路を示す回路図、第３図
（ａ）、第３図（ｂ）は、従来のπ型平衡整合回路を示
す回路図である。 1:バラン、２・3:治療用電極、5:実数値調整部、6:虚数
値調整部。FIG. 1 is a circuit diagram of a matching device of a high-frequency thermotherapy device showing one embodiment of the present invention, and FIGS. 2 (a) and 2 (b).
Is a circuit diagram showing a conventional T-type balanced matching circuit, and FIGS. 3 (a) and 3 (b) are circuit diagrams showing a conventional π-type balanced matching circuit. 1: balun, 2-3: therapeutic electrode, 5: real value adjustment unit, 6: imaginary value adjustment unit.
フロントページの続き (72)発明者 ▲高▼橋 則幸 京都府京都市下京区中堂寺南町17番地 サイエンスセンタービル 株式会社オム ロンライフサイエンス研究所内 (72)発明者 坂本 環 京都府京都市下京区中堂寺南町17番地 サイエンスセンタービル 株式会社オム ロンライフサイエンス研究所内 (72)発明者 斉藤 誠 京都府京都市下京区中堂寺南町17番地 サイエンスセンタービル 株式会社オム ロンライフサイエンス研究所内 (56)参考文献 特開 平２−13477（ＪＰ，Ａ) 特開 平１−113074（ＪＰ，Ａ) 特開 昭59−207148（ＪＰ，Ａ) 特開 昭59−49761（ＪＰ，Ａ) 特開 昭61−232865（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) A61N 1/40 Continued on the front page (72) Inventor ▲ Taka ▼ Noriyuki Hashi 17 Science Center Building, Omron Life Science Research Institute, 17, Shimogyo-ku, Kyoto-shi, Kyoto (72) Inventor Tamaki Sakamoto Chudo-ji, Shimogyo-ku, Kyoto, Kyoto 17 Minamicho Science Center Building Omron Life Science Laboratory Co., Ltd. (72) Inventor Makoto Saito 17 Science Center Building Nakadoji Minamicho, Shimogyo-ku, Kyoto, Kyoto Prefecture Omron Life Science Research Laboratories Co., Ltd. JP-13477 (JP, A) JP-A-1-1133074 (JP, A) JP-A-59-207148 (JP, A) JP-A-59-49761 (JP, A) JP-A-61-232865 (JP, A) (58) Fields surveyed (Int.Cl. 6 , DB name) A61N 1/40
Claims (2)
るための高周波温熱治療装置の整合装置であって、 負荷インピーダンスの実数部を調整し得る第１の整合部
と、負荷インピーダンスの虚数部を調整し得る第２の整
合部とを備えたことを特徴とする高周波温熱治療装置の
整合装置。1. A matching device for a high-frequency thermotherapy device for efficiently supplying a high-frequency signal to a therapeutic electrode, comprising: a first matching portion capable of adjusting a real part of a load impedance; and an imaginary part of the load impedance. And a second matching unit that can adjust the temperature of the high-frequency thermotherapy device.
信号を印加して治療を行う高周波温熱治療装置におい
て、前記高周波信号出力回路と前記治療電極間に、負荷
インピーダンスの実数部を調整し得る第１の整合部と、
負荷インピーダンスの虚数部を調整し得る第２の整合部
とを備えたことを特徴とする高周波温熱治療装置。2. A high-frequency thermotherapy device for applying a high-frequency signal between treatment electrodes from a high-frequency signal output circuit to perform treatment, wherein a real part of a load impedance is adjusted between the high-frequency signal output circuit and the treatment electrodes. A first matching unit to obtain;
A high frequency thermotherapy device comprising: a second matching unit capable of adjusting an imaginary part of the load impedance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5778790A JP2906265B2 (en) | 1990-03-08 | 1990-03-08 | High frequency hyperthermia treatment device matching device and high frequency hyperthermia treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5778790A JP2906265B2 (en) | 1990-03-08 | 1990-03-08 | High frequency hyperthermia treatment device matching device and high frequency hyperthermia treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03258270A JPH03258270A (en) | 1991-11-18 |
| JP2906265B2 true JP2906265B2 (en) | 1999-06-14 |
Family
ID=13065597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5778790A Expired - Fee Related JP2906265B2 (en) | 1990-03-08 | 1990-03-08 | High frequency hyperthermia treatment device matching device and high frequency hyperthermia treatment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2906265B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES3041928T3 (en) * | 2015-12-22 | 2025-11-17 | Thermatool Corp | High frequency power supply system with closely regulated output for heating a workpiece |
| KR101860803B1 (en) * | 2016-07-22 | 2018-05-25 | 주식회사 루트로닉 | An apparatus for delivering radiofrequency energy and an method for controlling that |
-
1990
- 1990-03-08 JP JP5778790A patent/JP2906265B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03258270A (en) | 1991-11-18 |
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Legal Events
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|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |