JP3041035B2 - Electrosurgical instrument - Google Patents
Electrosurgical instrumentInfo
- Publication number
- JP3041035B2 JP3041035B2 JP2286823A JP28682390A JP3041035B2 JP 3041035 B2 JP3041035 B2 JP 3041035B2 JP 2286823 A JP2286823 A JP 2286823A JP 28682390 A JP28682390 A JP 28682390A JP 3041035 B2 JP3041035 B2 JP 3041035B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency output
- electrode plate
- monitoring device
- return electrode
- living tissue
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、高周波出力を発生する高周波出力発生手段
と、高周波出力発生手段から発生される高周波出力を制
御するスイッチが設けられたハンドピースと、生体組織
に装着する対極板と、対極板の装着状態を監視する監視
装置と、監視装置からの信号に基づき対極板の装着状態
が良好の場合にのみ高周波出力発生手段による高周波出
力の発生を許容する許容手段と、を備えた電気手術器に
関する。The present invention relates to a high-frequency output generating means for generating a high-frequency output, and a handpiece provided with a switch for controlling a high-frequency output generated from the high-frequency output generating means. A counter electrode to be attached to a living tissue, a monitoring device for monitoring the mounting state of the counter electrode, and a high-frequency output generating unit that generates high-frequency output only when the mounting state of the counter electrode is good based on a signal from the monitoring device. And an accepting means for allowing.
［従来の技術］ 従来、高周波出力を発生する高周波出力発生手段と、
高周波出力発生手段から発生される高周波出力を制御す
るスイッチが設けられたハンドピースと、生体組織に装
着する対極板と、対極板の装着状態を監視する監視装置
と、監視装置からの信号に基づき対極板の装着状態が良
好の場合にのみ高周波出力発生手段による高周波出力の
発生を許容する許容手段と、を備えた電気手術器が知ら
れている。この電気手術器は、対極板のはく離を検出し
て高周波出力を停止しており、検出方法としては、高周
波の手術用出力電流に比較的低周波の患者測定電流を重
畳させ、その低周波の患者測定電流により対極板の静電
容量を計測し、静電容量が小さくなったときに対極板が
はく離したと判定している。[Prior Art] Conventionally, a high-frequency output generating means for generating a high-frequency output,
A handpiece provided with a switch for controlling the high-frequency output generated from the high-frequency output generating means, a return electrode attached to the living tissue, a monitoring device for monitoring the mounting state of the return electrode, and a signal from the monitoring device. 2. Description of the Related Art An electrosurgical device including a permitting unit that allows a high-frequency output to be generated by a high-frequency output generating unit only when a mounting state of a return electrode is good is known. This electrosurgical device detects the separation of the return electrode plate and stops the high-frequency output.As a detection method, a relatively low-frequency patient measurement current is superimposed on a high-frequency surgical output current, and the low-frequency output is used. The capacitance of the return electrode is measured by the patient-measured current, and it is determined that the return electrode has come off when the capacitance decreases.
この電気手術器においては、メス先と生体組織とが接
触した後、出力を発生させる前に、ほんの短い時間だけ
比較的低周波の患者測定電流により対極板の装着状態を
調べてから手術用高周波出力を発生することによって安
全性を確保している。In this electrosurgical device, after the scalpel tip and the living tissue come into contact with each other, before the output is generated, the mounting state of the return electrode is examined for a relatively short time using a relatively low-frequency patient measurement current, and then the surgical high-frequency operation is performed. Output is generated to ensure safety.
［発明が解決しようとする課題］ 従来の電気手術器は、以上のように構成されているの
で、出力を発生させる前に、メス先と生体組織とを接触
せさ、患者測定電流を流した後でなければ手術用高周波
出力を発生することができず、この際、出力の立ち上が
りが鈍いと、切開の初めにメス先が生体組織に引っ掛か
るという課題があった。[Problem to be Solved by the Invention] Since the conventional electrosurgical device is configured as described above, before the output is generated, the scalpel and the living tissue are brought into contact with each other, and the patient measurement current is applied. A high-frequency output for surgery cannot be generated unless it is later, and at this time, if the output rises slowly, there is a problem that the scalpel tip gets caught in the living tissue at the beginning of the incision.
更に、高電圧を発生するスプレイ凝固使用時には、メ
ス先と生体組織を接触させたすぐ後に、強力なアーク放
電が局所的に発生し、生体組織に過剰な損傷を与えてし
まうというおそれがあった。Furthermore, when using spray coagulation for generating a high voltage, a strong arc discharge is locally generated immediately after the scalpel tip is brought into contact with the living tissue, and there is a risk that the living tissue may be excessively damaged. .
発明の目的 本発明は、上述の事情に鑑みなされたもので、その目
的は操作性を向上した電気手術器を提供することにあ
る。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide an electrosurgical device with improved operability.
［課題を解決するための手段］ 上記目的を達成するために、本発明に係る電気手術器
は、高周波出力を発生する高周波出力発生手段と、前記
高周波出力発生手段で発生される高周波出力を生体組織
へ供給するメス先を有するハンドピースと、前記生体組
織に装着される対極板と、前記生体組織への高周波出力
の供給に先立って、前記対極板について静電容量を検出
し、これにより前記対極板の装着状態を監視する監視装
置と、前記監視装置からの信号に基づき前記対極板の装
着状態が良好の場合にのみ前記高周波出力発生手段によ
る高周波出力の発生を許容する許容手段と、前記監視装
置及び前記許容手段を機能させる通常制御と、前記監視
装置及び前記許容手段の機能を停止させる停止制御と、
を有する制御手段と、前記通常制御又は前記停止制御を
選択する選択手段と、を含むことを特徴とする。[Means for Solving the Problems] In order to achieve the above object, an electrosurgical instrument according to the present invention comprises a high-frequency output generating means for generating a high-frequency output, and a high-frequency output generated by the high-frequency output generating means. A handpiece having a scalpel tip to supply to the tissue, a return electrode attached to the living tissue, and, prior to the supply of the high-frequency output to the living tissue, detecting the capacitance of the return electrode, whereby the A monitoring device that monitors a mounting state of the return electrode plate, and an allowance unit that allows generation of a high-frequency output by the high-frequency output generation unit only when the mounting state of the return electrode plate is good based on a signal from the monitoring device, and Normal control for operating a monitoring device and the permitting unit, and stop control for stopping the functions of the monitoring device and the permitting unit,
And control means for selecting the normal control or the stop control.
また、本発明は、高周波出力を発生する高周波出力発
生手段と、前記高周波出力発生手段で発生される高周波
出力を生体組織へ供給するメス先を有するハンドピース
と、前記生体組織に装着される対極板と、前記生体組織
への高周波出力の供給に先立って、前記対極板について
静電容量を検出し、これにより前記対極板の装着状態を
監視する監視装置と、前記監視装置からの信号に基づき
前記対極板の装着状態が良好の場合にのみ前記高周波出
力手段による高周波出力の発生を許容する許容手段と、
前記監視装置及び前記許容手段を機能させる通常制御
と、電気手術モードに応じて前記監視装置及び前記許容
手段を機能させ又はその機能を停止する一部モード停止
制御と、電気手術モードによらずに前記監視装置及び前
記許容手段の機能を停止させる全部モード停止制御と、
を有する制御手段と、前記通常制御、前記一部モード停
止制御又は前記全部モード停止制御を選択する選択手段
と、を含むことを特徴とする。Further, the present invention provides a handpiece having a high-frequency output generating means for generating a high-frequency output, a female tip for supplying a high-frequency output generated by the high-frequency output generating means to a living tissue, and a counter electrode attached to the living tissue. Plate, prior to the supply of high-frequency output to the living tissue, detecting the capacitance of the return electrode plate, thereby monitoring the mounting state of the return electrode plate, based on a signal from the monitoring device Permitting means for permitting generation of high-frequency output by the high-frequency output means only when the mounting state of the return electrode plate is good,
Normal control for making the monitoring device and the permitting unit function, partial mode stop control for making the monitoring device and the permitting unit function or stop the function according to the electrosurgical mode, and without depending on the electrosurgical mode All mode stop control for stopping the functions of the monitoring device and the permitting unit,
And a selecting means for selecting the normal control, the partial mode stop control or the full mode stop control.
［実施例］ 以下、本発明の一実施例を図について説明する。Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
第１図は、本発明に係る電気手術器の構成を示すブロ
ック図である。FIG. 1 is a block diagram showing a configuration of an electrosurgical instrument according to the present invention.
電気手術器10は、制御部12を有しており、制御部12に
は、高周波出力を制御するフットスイッチ14及び動作条
件等を入力する操作パネル16が接続されている。The electrosurgical instrument 10 has a control unit 12, to which a foot switch 14 for controlling a high-frequency output and an operation panel 16 for inputting operation conditions and the like are connected.
更に、制御部12には、高周波出力発生手段としての高
周波電力増幅器18及び対極板20の装着状態を監視する監
視装置としての容量検出部22が接続されており、高周波
電力増幅器18により増幅された高周波電力はトランス24
を介してハンドピース26へ供給されるようになってい
る。Further, the control unit 12 is connected to a high-frequency power amplifier 18 as high-frequency output generation means and a capacity detection unit 22 as a monitoring device for monitoring the mounting state of the return electrode plate 20, and the high-frequency power amplifier 18 is amplified by the high-frequency power amplifier 18. High frequency power transformer 24
Is supplied to the handpiece 26 via the.
また、容量検出部22にはハンドピース26と対極板20と
が接続されている。Further, the handpiece 26 and the return electrode plate 20 are connected to the capacitance detection unit 22.
更に、制御部12は、第２図に詳示するように、容量検
出部22からの信号に基づき対極板20の装着状態が良好の
場合にのみ高周波電力増幅器18による高周波出力の発生
を許容する許容手段28を備えており、操作パネル16に
は、許容手段28の機能の停止方法を選択する「手段１」
スイッチ30、「手段２」スイッチ32、「手段３」スイッ
チ34が配設されている。Further, as shown in detail in FIG. 2, the control unit 12 allows the high-frequency power amplifier 18 to generate a high-frequency output based on a signal from the capacitance detection unit 22 only when the mounting state of the return electrode plate 20 is good. The control panel 16 is provided with a permitting means 28, and "operation 1" for selecting a method of stopping the function of the permitting means 28 is provided on the operation panel 16.
A switch 30, a "means 2" switch 32 and a "means 3" switch 34 are provided.
ついで、本実施例の作用について説明する。 Next, the operation of the present embodiment will be described.
「手段１」スイッチ30がONされた場合、許容手段28が
作動し、制御部12は、フットスイッチ14からの入力信号
を受信すると、容量検出部22を作動させ、メス先26aが
生体組織50に接触すると直ちに対極板20の静電容量検出
を行う。When the "means 1" switch 30 is turned on, the permitting means 28 is actuated. When the control unit 12 receives an input signal from the foot switch 14, the control unit 12 actuates the capacity detecting unit 22 and the female tip 26a As soon as the contact is made, the capacitance of the return electrode plate 20 is detected.
そして、容量検出部22は検出結果を制御部12へ送り、
制御部12の許容手段28はこの検出結果に基づき対極板20
の装着状態が良好であると判断した場合、高周波電力増
幅器18に出力許可信号を発生して高周波出力の供給を許
容する。Then, the capacity detection unit 22 sends the detection result to the control unit 12, and
The permitting means 28 of the control unit 12 sets the return electrode 20 based on the detection result.
When it is determined that the mounting state of is high, an output permission signal is generated in the high-frequency power amplifier 18 to allow the supply of the high-frequency output.
また、「手段２」スイッチ32がONされた場合、制御部
12は、フットスイッチ14からの入力信号を受信すると、
電気手術器10の予め設定されている動作条件を参照し、
出力モードにスプレイ凝固モードが設定されている場合
は、容量検出部22を作動させず、直ちにスプレイ凝固の
出力を発生させる。When the “means 2” switch 32 is turned on, the control unit
12 receives the input signal from the foot switch 14,
With reference to the preset operating conditions of the electrosurgical instrument 10,
When the spray coagulation mode is set as the output mode, the output of the spray coagulation is immediately generated without operating the capacity detection unit 22.
また、動作条件が切開モードに設定されている場合
は、許容手段28は作動し、制御部12は、フットスイッチ
14からの入力信号を受信すると、容量検出部22を作動さ
せ、メス先26aが生体組織50に接触すると直ちに対極板2
0の静電容量検出を行う。When the operating condition is set to the incision mode, the permitting means 28 operates, and the control unit 12
When receiving the input signal from 14, the capacitance detecting section 22 is activated, and the counter electrode 2 is immediately
Perform zero capacitance detection.
そして、容量検出部22は検出結果を制御部12へ送り、
制御部12はこの検出結果に基づき対極板20の装着状態が
良好であると判断した場合、高周波電力増幅器18に出力
許可信号を発生して高周波出力の供給を許容する。Then, the capacity detection unit 22 sends the detection result to the control unit 12, and
When the control unit 12 determines that the mounting state of the return electrode plate 20 is good based on the detection result, the control unit 12 generates an output permission signal to the high-frequency power amplifier 18 to permit the supply of the high-frequency output.
これにより、スプレイ凝固モードの場合、スプレイ凝
固がメス先26aと生体組織50とが接触する前から使用で
き、メス先26aが生体組織50に膠着することがなくな
る。Accordingly, in the case of the spray coagulation mode, the spray coagulation can be used before the knife tip 26a comes into contact with the living tissue 50, and the knife tip 26a does not stick to the living tissue 50.
更に、「手段３」スイッチ34がONされた場合、制御部
12は、フットスイッチ14からの入力信号を受信すると、
いかなる動作条件が設定されていても許容手段28の機能
を停止し、高周波電力増幅器18に出力許可信号を発生し
て高周波出力の供給を行う。Further, when the "means 3" switch 34 is turned on, the control unit
12 receives the input signal from the foot switch 14,
Even if any operating conditions are set, the function of the permitting means 28 is stopped, an output permission signal is generated in the high-frequency power amplifier 18, and a high-frequency output is supplied.
このようにすると、出力の立上がりが鈍い場合でも、
切開初期のメス先26aの引っ掛かり等がなくなる。In this way, even if the output rises slowly,
The scalpel tip 26a is not caught at the initial stage of the incision.
なお、上述実施例においては、「手段１」スイッチ3
0、「手段２」スイッチ32、「手段３」スイッチ34は操
作パネル16上に配置されていたが、これに限らず、ハン
ドピース26上に配置してもよい。In the above embodiment, the “means 1” switch 3
0, the “means 2” switch 32 and the “means 3” switch 34 are arranged on the operation panel 16, but are not limited thereto, and may be arranged on the handpiece 26.
また、既にハンドピース26上に配置されているスイッ
チが所定条件を満たした場合に、「手段１」スイッチ、
「手段２」スイッチ、「手段３」スイッチとして機能す
るようにしてもよい。When the switches already arranged on the handpiece 26 satisfy the predetermined condition, the “means 1” switch,
You may make it function as a "means 2" switch and a "means 3" switch.
［発明の効果］ 以上説明したように、本発明に係る電気手術器によれ
ば、切開の初めにメス先が生体組織に引っ掛かることを
防止でき、またスプレイ凝固時にアーク放電が局所的に
発生することを防止でき、これにより操作性を向上する
ことができる。[Effects of the Invention] As described above, according to the electrosurgical instrument according to the present invention, it is possible to prevent the scalpel tip from being caught in a living tissue at the beginning of an incision, and an arc discharge is locally generated during spray coagulation. Can be prevented, thereby improving the operability.
更に、切開の初めにメス先が生体組織に引っ掛かるお
それがあるモードだけ許容手段の機能を停止し、操作性
を向上することができる。Further, the function of the permitting means is stopped only in the mode in which the knife tip may be caught in the living tissue at the beginning of the incision, and the operability can be improved.
第１図は、本発明の一実施例による電気手術器の構成を
示すブロック図、 第２図は、その要部を示すブロック図である。 10…電気手術器 14…フットスイッチ 18…高周波電力増幅器 20…対極板 22…容量検出部 26…ハンドピース 28…許容手段 30…「手段１」スイッチ 32…「手段２」スイッチ 34…「手段３」スイッチFIG. 1 is a block diagram showing a configuration of an electrosurgical device according to one embodiment of the present invention, and FIG. 2 is a block diagram showing a main part thereof. 10 electrosurgical device 14 foot switch 18 high-frequency power amplifier 20 counter electrode plate 22 capacitance detector 26 handpiece 28 permissible means 30 means 1 switch 32 means 2 switch 34 means 3 "switch
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭64−76846（ＪＰ，Ａ) 特開 昭63−257544（ＪＰ，Ａ) 特開 昭60−176642（ＪＰ，Ａ) 実開 昭61−185405（ＪＰ，Ｕ) 特表 平２−501894（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) A61B 18/00 - 18/28 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-64-76846 (JP, A) JP-A-63-257544 (JP, A) JP-A-60-176642 (JP, A) 185405 (JP, U) Table 2-501894 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) A61B 18/00-18/28
Claims (2)
と、 前記高周波出力発生手段で発生される高周波出力を生体
組織へ供給するメス先を有するハンドピースと、 前記生体組織に装着される対極板と、 前記生体組織への高周波出力の供給に先立って、前記対
極板について静電容量を検出し、これにより前記対極板
の装着状態を監視する監視装置と、 前記監視装置からの信号に基づき前記対極板の装着状態
が良好の場合にのみ前記高周波出力発生手段による高周
波出力の発生を許容する許容手段と、 前記監視装置及び前記許容手段を機能させる通常制御
と、前記監視装置及び前記許容手段の機能を停止させる
停止制御と、を有する制御手段と、 前記通常制御又は前記停止制御を選択する選択手段と、 を含むことを特徴とする電気手術器。1. A handpiece having a high-frequency output generating means for generating a high-frequency output, a female tip for supplying a high-frequency output generated by the high-frequency output generating means to a living tissue, and a return electrode plate attached to the living tissue Prior to supply of a high-frequency output to the living tissue, a monitoring device that detects the capacitance of the return electrode plate, thereby monitoring the mounting state of the return electrode plate, based on a signal from the monitoring device, An allowance unit that allows the high-frequency output generation unit to generate a high-frequency output only when the mounting state of the return electrode plate is good; a normal control that causes the monitoring device and the allowance unit to function; An electrosurgical instrument, comprising: control means having stop control for stopping a function; and selecting means for selecting the normal control or the stop control.
と、 前記高周波出力発生手段で発生される高周波出力を生体
組織へ供給するメス先を有するハンドピースと、 前記生体組織に装着される対極板と、 前記生体組織への高周波出力の供給に先立って、前記対
極板について静電容量を検出し、これにより前記対極板
の装着状態を監視する監視装置と、 前記監視装置からの信号に基づき前記対極板の装着状態
が良好の場合にのみ前記高周波出力手段による高周波出
力の発生を許容する許容手段と、 前記監視装置及び前記許容手段を機能させる通常制御
と、電気手術モードに応じて前記監視装置及び前記許容
手段を機能させ又はその機能を停止する一部モード停止
制御と、電気手術モードによらずに前記監視装置及び前
記許容手段の機能を停止させる全部モード停止制御と、
を有する制御手段と、 前記通常制御、前記一部モード停止制御又は前記全部モ
ード停止制御を選択する選択手段と、 を含むことを特徴とする電気手術器。2. A handpiece having a high-frequency output generating means for generating a high-frequency output, a handpiece having a female tip for supplying a high-frequency output generated by the high-frequency output generating means to a living tissue, and a counter electrode plate attached to the living tissue Prior to supply of a high-frequency output to the living tissue, a monitoring device that detects the capacitance of the return electrode plate, thereby monitoring the mounting state of the return electrode plate, based on a signal from the monitoring device, Permitting means for permitting the generation of high-frequency output by the high-frequency output means only when the mounting state of the return electrode plate is good, normal control for operating the monitoring device and the permitting device, and the monitoring device according to an electrosurgical mode And a partial mode stop control for causing or stopping the function of the permitting means, and stopping the functions of the monitoring device and the permitting means regardless of the electrosurgical mode. And the whole mode stop control to be,
An electrosurgical device comprising: a control unit having: a selection unit that selects the normal control, the partial mode stop control, or the full mode stop control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2286823A JP3041035B2 (en) | 1990-10-24 | 1990-10-24 | Electrosurgical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2286823A JP3041035B2 (en) | 1990-10-24 | 1990-10-24 | Electrosurgical instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04158857A JPH04158857A (en) | 1992-06-01 |
| JP3041035B2 true JP3041035B2 (en) | 2000-05-15 |
Family
ID=17709501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2286823A Expired - Fee Related JP3041035B2 (en) | 1990-10-24 | 1990-10-24 | Electrosurgical instrument |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3041035B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101495931B1 (en) | 2007-03-27 | 2015-02-25 | 내셔널 유니버시티 코포레이션 쉬가 유니버시티 어브 메디칼 사이언스 | Microwave surgical device |
-
1990
- 1990-10-24 JP JP2286823A patent/JP3041035B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101495931B1 (en) | 2007-03-27 | 2015-02-25 | 내셔널 유니버시티 코포레이션 쉬가 유니버시티 어브 메디칼 사이언스 | Microwave surgical device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04158857A (en) | 1992-06-01 |
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