JPH08280706A - High frequency cautery device - Google Patents
High frequency cautery deviceInfo
- Publication number
- JPH08280706A JPH08280706A JP7092706A JP9270695A JPH08280706A JP H08280706 A JPH08280706 A JP H08280706A JP 7092706 A JP7092706 A JP 7092706A JP 9270695 A JP9270695 A JP 9270695A JP H08280706 A JPH08280706 A JP H08280706A
- Authority
- JP
- Japan
- Prior art keywords
- counter electrode
- electrode plate
- type
- monitor
- monitoring
- 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.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、外科手術や内視鏡下処
置等に利用される高周波焼灼装置、いわゆる電気メス装
置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high frequency ablation device, which is a so-called electric scalpel device, which is used for surgical operations and endoscopic treatments.
【０００２】[0002]
【従来の技術】電気メスの出力方式の１つであるモノポ
ーラ方式はメス先から出される高周波電流を、対極板と
呼ばれる広い面積をもった電極で回収する構成になって
いる。対極板は通常、患者の太腿部や臀部の体表面に装
着され、ケーブルによって電気メス装置に接続される。
また、対極板で高周波電流が正しく回収できない状態が
発生すると、意図しない部位での熱傷を引き起こす虞が
あるので、これを回避するようモニター回路が装備され
ている。2. Description of the Related Art A monopolar system, which is one of the output systems of electric scalpels, has a structure in which a high-frequency current emitted from the tip of a scalpel is collected by an electrode having a large area called a counter electrode plate. The return electrode is typically attached to the body surface of the patient's thigh or buttocks and is connected to the electrocautery device by a cable.
Further, if a state in which the high-frequency current cannot be correctly recovered occurs in the counter electrode plate, there is a risk of causing burns at an unintended portion. Therefore, a monitor circuit is provided to avoid this.
【０００３】電気メス用の対極板には大きく分けて２つ
の種類が存在する。その１つは図１（ａ）で示すよう
に、１枚のシート１に１枚の電極２を設けて成る単極タ
イプの対極板３であり、この対極板３は電極２に２本の
コード４を接続し、それらによりループを形成する。も
う１つのタイプは図１（ｂ）で示すように、１枚のシー
ト５に間隔を置いて２枚以上の電極６を配置して１枚の
シート状に構成された分割タイプの対極板７であり、各
電極５には別々のコード８が接続され、各電極６を患者
に装着することで患者の体表面を含むループを形成す
る。There are roughly two types of counter electrodes for electric scalpels. One of them is a monopolar type counter electrode plate 3 in which one sheet 1 is provided with one electrode 2 as shown in FIG. 1A, and this counter electrode plate 3 has two electrodes 2 each. Connect the cords 4 and form a loop with them. The other type is, as shown in FIG. 1 (b), a split type counter electrode plate 7 configured as one sheet by arranging two or more electrodes 6 on one sheet 5 at intervals. A separate cord 8 is connected to each electrode 5, and each electrode 6 is attached to the patient to form a loop including the body surface of the patient.
【０００４】対極板が正しく装着しているかを検知する
モニター回路は従来からこれら２つのタイプの対極板に
それぞれ対応した方式が存在する。つまり、単極タイプ
の対極板用モニター回路は２本のコード４と電極２から
成るループに微小の電圧を印加し、電流が流れるかどう
かでループの連続性を検知し、これによりコード４の断
線や電気メス装置との接続不良の有無を判断する。ま
た、分割タイプの対極板用モニター回路は各電極６間に
直流または交流の微小電流を流して、各電極６間の抵抗
またはインピーダンスを検出し、対極板７の患者への接
触状態を判断するものである。Conventionally, as a monitor circuit for detecting whether the counter electrode is properly mounted, there is a system corresponding to each of these two types of counter electrodes. In other words, the unipolar type monitor circuit for the counter electrode applies a minute voltage to the loop composed of the two cords 4 and the electrode 2, and detects the continuity of the loop by checking whether or not the current flows, and thus the cord 4 Determine if there is a wire break or a poor connection with the electrosurgical unit. In addition, the split type counter electrode monitor circuit allows a minute current of direct current or alternating current to flow between the electrodes 6 to detect resistance or impedance between the electrodes 6 and determine the contact state of the counter electrode 7 with the patient. It is a thing.
【０００５】そこで、従来の電気メス装置は前述した２
種類のタイプの対極板３，７が使えるようにするため
に、分割タイプの対極板用モニター回路を単極タイプで
も便宜的に利用可能になし、使用する対極板３，７の種
類によって切り換えて機能させていた。例えば、電気メ
ス装置に接続するコネクターの形状を異ならせてその種
類を判別して行ったり（特開昭６４−７６８４６号公報
参照）、ユーザーが選択スイッチを押したりする方法が
あった。Therefore, the conventional electric scalpel device has the above-mentioned 2
In order to make it possible to use different types of return electrodes 3 and 7, the divided type return electrode monitor circuit is not available even for the single pole type for convenience, and can be switched depending on the type of return electrodes 3 and 7 to be used. It was working. For example, there is a method in which the shape of the connector connected to the electric scalpel device is made different and the type is discriminated (see Japanese Patent Application Laid-Open No. 64-76846), or the user pushes a selection switch.
【０００６】[0006]
【発明が解決しようとする課題】対極板のタイプを判別
するため、対極板のコネクタの形状を変え、その種類を
検出するようにすると、その接続部分の構造が複雑化し
てしまい、コストアップに繋がる。また、使用する対極
板のタイプをユーザーに選択させる方法では操作ミスに
つながる虞れがあるため、必ずしも望ましいものではな
い。If the shape of the counter electrode plate connector is changed and the type of the counter electrode plate is detected in order to determine the type of the counter electrode plate, the structure of the connecting portion becomes complicated and the cost is increased. Connect. Further, the method of allowing the user to select the type of the counter electrode to be used may lead to an operation error and is not always desirable.
【０００７】本発明は前記課題に着目してなされたもの
であり、その目的とするところは単極タイプの対極板と
分割タイプの対極板とを使用するにあたり、それら対極
板のタイプを容易かつ確実に判断してモニター回路を動
作させ、より安全性を高めた高周波焼灼装置を提供する
ことにある。The present invention has been made in view of the above problems, and an object of the present invention is to use a single pole type return electrode plate and a split type return electrode plate in a simple and easy manner. An object of the present invention is to provide a high-frequency ablation device in which the safety is enhanced by operating the monitor circuit with certainty.
【０００８】[0008]
【課題を解決する手段および作用】前記の問題点を解決
するために本発明は単極タイプの対極板と分割タイプの
対極板とを用いる高周波焼灼装置において、単極タイプ
の対極板および分割タイプの対極板を接続する対極板接
続手段と、単極タイプの対極板の状態のモニターを直流
電圧で行うモニター手段と、分割タイプの対極板の状態
のモニターを交流電圧で行うモニター手段と、前記両モ
ニター手段を動作させて接続した対極板の装着状態を検
出する手段とを具備する。そして、各タイプの対極板の
状態を監視する。SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a high frequency ablation device using a monopolar type counter electrode plate and a split type counter electrode plate. A counter electrode connecting means for connecting the counter electrode plate, a monitor means for monitoring the state of the single electrode type counter electrode plate with a DC voltage, a monitor means for monitoring the state of the split type counter electrode plate with an AC voltage, and And means for operating both monitor means to detect a mounting state of the connected counter plate. Then, the state of each type of return plate is monitored.
【０００９】[0009]
【実施例】以下、図面を参照して、本発明の一実施例を
説明する。図２は電気メス装置の基本的な構成を概略的
に示す。図２において、１０は電気メス本体、１１は電
気メスハンドピース、１２は対極板である。電気メス本
体１０には、高周波電流発生回路１３、絶縁のための出
力トランス１４、低周波阻止（カット）用コンデンサ１
５、対極板モニター１６、アクティブコネクタ１７、対
極板コネクタ１８、表示手段１９および制御手段２０が
設けられている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 2 schematically shows the basic configuration of the electric scalpel device. In FIG. 2, 10 is an electric knife body, 11 is an electric knife handpiece, and 12 is a counter electrode plate. The electric knife body 10 includes a high frequency current generating circuit 13, an output transformer 14 for insulation, and a low frequency blocking (cutting) capacitor 1.
5, a counter electrode monitor 16, an active connector 17, a counter electrode connector 18, display means 19 and control means 20 are provided.
【００１０】そして、前記高周波電流発生回路１３で、
切開や凝固機能を発揮するための高周波電流を発生し、
出力トランス１４で絶縁及び昇圧を行う。その出力はア
クティブ側と対極板側とに分けられ、感電を防止するた
めの低周波阻止用コンデンサ１５を経由して各コネクタ
１７，１８に導かれる。アクティブコネクタ１７には術
者が操作するハンドピース１１が接続される。ハンドピ
ース１１の先端電極から出力される高周波電流が患者の
術部に集中的に与えられることにより術部の切開や凝固
が行われる。Then, in the high frequency current generating circuit 13,
Generates high-frequency current to exert the incision and coagulation function,
The output transformer 14 performs insulation and boosting. The output is divided into the active side and the counter plate side, and is led to the connectors 17 and 18 via the low frequency blocking capacitor 15 for preventing electric shock. The handpiece 11 operated by the operator is connected to the active connector 17. The high frequency current output from the tip electrode of the handpiece 11 is intensively applied to the surgical site of the patient, so that the surgical site is incised and coagulated.
【００１１】一方、対極板コネクタ１８には患者に装着
された対極板１２が接続され、ハンドピース１１側から
出された高周波電流を広い面積で回収する。さらに、対
極板コネクタ１８に接続された対極板１２の状態を対極
板モニター１６で監視する。その結果、対極板１２の状
態が異常であると、高周波電流発生回路１３に出力禁止
信号を送ったり、表示手段１９に異常信号を送り異常表
示を行ったりする。これらの動作は制御手段２０によっ
て制御される。On the other hand, the counter electrode connector 18 attached to the patient is connected to the counter electrode connector 18 to collect the high frequency current emitted from the handpiece 11 side in a wide area. Further, the state of the counter electrode plate 12 connected to the counter electrode plate connector 18 is monitored by the counter electrode plate monitor 16. As a result, if the state of the counter electrode plate 12 is abnormal, an output prohibition signal is sent to the high frequency current generation circuit 13 or an abnormal signal is sent to the display means 19 to display an abnormal display. These operations are controlled by the control means 20.
【００１２】次に、図３を参照して、前記対極板モニタ
ー１６の構成を具体的に示す。ここで図２と同様のもの
についてはその説明を省略する。対極板モニター１６は
大きく２つの構成部分に分かれている。すなわち、単極
対極板モニター部２１の部分と分割対極板モニター部２
２の部分から成る。まず、単極対極板モニター部２１
は、独立電源２３、フォトカプラ２４、ローパスフィル
タ２５、及びこれらを制御して導通を検出する導通検知
手段２６を備える。対極板コネクタ１８の端子、独立電
源２３、フォトカプラ２４の発光ダイオード及びローパ
スフィルタ２５は直列に接続されて閉ループ回路を形成
している。そして、フォトカプラ２４の受光素子の出力
が導通検知手段２６に入力される。Next, referring to FIG. 3, the structure of the counter electrode monitor 16 will be specifically shown. Here, description of the same components as those in FIG. 2 will be omitted. The counter electrode monitor 16 is roughly divided into two components. That is, the part of the monopolar return electrode monitor unit 21 and the divided return electrode monitor unit 2
It consists of two parts. First, the monopolar return electrode monitor section 21
Is provided with an independent power supply 23, a photocoupler 24, a low-pass filter 25, and a continuity detecting unit 26 that controls these to detect continuity. The terminal of the counter electrode connector 18, the independent power supply 23, the light emitting diode of the photocoupler 24 and the low pass filter 25 are connected in series to form a closed loop circuit. Then, the output of the light receiving element of the photocoupler 24 is input to the conduction detecting means 26.
【００１３】一方、分割対極板モニター部２２は直流を
阻止する手段の直流阻止コンデンサ２７、パルストラン
ス２８、及びこれらを制御してパルストランス２８を介
したインピーダンスの大きさを検出するインピーダンス
検出手段２９を備える。 単極対極板モニター部２１と
分割対極板モニター部２２はいずれも前記対極板コネク
タ１８に接続されている。On the other hand, the divided return electrode monitor unit 22 includes a DC blocking capacitor 27 as a unit for blocking DC, a pulse transformer 28, and an impedance detecting unit 29 for controlling them to detect the magnitude of impedance through the pulse transformer 28. Equipped with. Both the monopolar counter electrode monitor section 21 and the divided counter electrode monitor section 22 are connected to the counter electrode connector 18.
【００１４】この対極板コネクタ１８に接続される前記
対極板１２としては図１（ａ）で説明したものと同様な
単極タイプ対極板１２ａと、図１（ｂ）で説明したもの
と同様な分割タイプ対極板１２ｂとの２種類のタイプの
ものが用意されている。また、単極タイプ対極板１２ａ
のプラグ３１と分割タイプ対極板１２ｂのプラグ３２は
同形式で共通タイプのものが用いられ、前記電気メス本
体１０の同じ対極板コネクタ１８に対して接続できるよ
うになっている。The counter electrode plate 12 connected to the counter electrode plate connector 18 is a single-pole type counter electrode plate 12a similar to that described in FIG. 1A, and the same as that described in FIG. 1B. Two types are available, a split type counter electrode plate 12b. Also, a single pole type counter plate 12a
The plug 31 and the plug 32 of the split type counter electrode 12b are of the same type and common type, and can be connected to the same counter electrode connector 18 of the electric scalpel body 10.
【００１５】この電気メス装置に単極タイプの対極板１
２ａを使用する場合には、そのプラグ３１を対極板コネ
クタ１８に接続する。この接続がなされると、独立電源
２３から直流電流ｉdcが発生し、ローパスフィルタ２５
を介して、対極板１２ａのコードを通り帰還するループ
ができる。このため、フォトカプラ２４が動作してその
信号を導通検知手段２６へ伝える。導通検知手段２６
は、単極タイプの対極板１２ａが正しく接続されたこ
と、或いはコードの断線などがないことの判断を行う。
その結果が制御回路２０に伝えられ、所望の動作を行う
ことになる。This electrosurgical knife device has a monopolar type counter plate 1
When using 2a, the plug 31 is connected to the counter electrode connector 18. When this connection is made, a DC current idc is generated from the independent power source 23, and the low-pass filter 25
A loop for returning through the cord of the counter electrode plate 12a is formed via. Therefore, the photocoupler 24 operates and transmits the signal to the conduction detecting means 26. Continuity detection means 26
Determines whether the monopolar type counter electrode plate 12a is correctly connected or that the cord is not broken.
The result is transmitted to the control circuit 20 and the desired operation is performed.
【００１６】一方、電気メス装置に分割タイプの対極板
１２ｂを使用する場合には、そのプラグ３２を対極板コ
ネクタ１８に接続する。この接続がなされると、インピ
ーダンス検出手段２９の動作によりパルストランス２８
の２次側から微小の交流電源ｉacが発生し、直流阻止コ
ンデンサ２７を介して対極板１２ｂのコードを通り、こ
の分割タイプ対極板１２ｂが患者に装着されたときのイ
ンピーダンスＺを含むループができる。これによりその
装着インピーダンスＺの大きさを表す信号がパルストラ
ンス２８の１次側に現れ、インピーダンス検出手段２９
に伝えられ、その結果、分割タイプの対極板１２ｂが患
者に正しく装着されたこと、或いはコードの断線などが
ないことが判断される。その結果が制御回路２０に伝え
られ、所望の動作を行うことになる。ここで、ローパス
フィルタ２５と直流阻止コンデンサ２７はお互いの検出
用電流（ｉac、ｉdc）の干渉を防止する機能を発揮す
る。On the other hand, when the split type counter electrode plate 12b is used in the electric scalpel device, the plug 32 is connected to the counter electrode connector 18. When this connection is made, the pulse transformer 28 is operated by the operation of the impedance detecting means 29.
A small AC power source iac is generated from the secondary side, passes through the code of the counter electrode plate 12b via the DC blocking capacitor 27, and forms a loop including the impedance Z when the split type counter electrode plate 12b is attached to the patient. . As a result, a signal representing the magnitude of the mounting impedance Z appears on the primary side of the pulse transformer 28, and the impedance detecting means 29.
As a result, it is determined that the split type return electrode plate 12b is correctly attached to the patient or that the cord is not broken. The result is transmitted to the control circuit 20 and the desired operation is performed. Here, the low-pass filter 25 and the DC blocking capacitor 27 have a function of preventing the detection currents (iac, idc) from interfering with each other.
【００１７】次に、前記構成によって対極板１２をモニ
ターする手順の第１の例を、図４に示すフローに沿って
説明する。図示しないスイッチ等により電源がオンされ
ると、単極タイプの対極板モニター部２１と分割タイプ
の対極板モニター部２２が起動する。単極タイプのモニ
ター部２１として導通検知手段２６の結果が『ＯＫ』で
あれば、電気メスの出力が許可される。導通検知手段２
６の結果が『ＮＧ』である場合、分割タイプのモニター
としてインピーダンス検知手段２９の結果が『ＯＫ』で
あれば電気メスの出力が許可される。そのインピーダン
ス検知手段２９の結果が『ＮＧ』であると、もはや対極
板１２は正常な状態にないと判断され、電気メスの出力
は禁止され、また警告表示等を行う。この方法であれ
ば、各対極板１２ａ，１２ｂのモニターを常に行うこと
ができる。Next, a first example of the procedure for monitoring the counter electrode 12 with the above-mentioned structure will be described with reference to the flow shown in FIG. When the power is turned on by a switch or the like (not shown), the monopolar type counter electrode monitor unit 21 and the split type counter electrode monitor unit 22 are activated. If the result of the conduction detecting means 26 as the monopolar type monitor unit 21 is "OK", the output of the electric knife is permitted. Continuity detection means 2
When the result of No. 6 is "NG", the output of the electric knife is permitted if the result of the impedance detection means 29 as the split type monitor is "OK". If the result of the impedance detecting means 29 is "NG", it is judged that the counter electrode 12 is no longer in a normal state, the output of the electric knife is prohibited, and a warning display is given. With this method, the counter electrodes 12a and 12b can always be monitored.
【００１８】次に、前記構成によって対極板１２をモニ
ターする手順の第２の例を、図５に示すフローに沿って
説明する。電源がオンされると、まず、単極タイプの対
極板モニター部２１を起動する。この単極タイプのモニ
ターとしての導通検知手段２６の結果が『ＯＫ』であれ
ば電気メスの出力が許可され、また、その結果が『Ｎ
Ｇ』の場合も含めて単極タイプの対極板モニター部２１
の動作を停止する。Next, a second example of the procedure for monitoring the counter electrode 12 with the above configuration will be described with reference to the flow shown in FIG. When the power is turned on, first, the monopolar type counter plate monitor unit 21 is activated. If the result of the conduction detecting means 26 as the monitor of this single pole type is "OK", the output of the electric knife is permitted, and the result is "N".
"G" including the case of monopolar type counter plate monitor unit 21
Stop the operation of.
【００１９】この後に、分割タイプの対極板モニター２
２を起動する。この分割タイプのモニターとして、イン
ピーダンス検知手段２９の結果が『ＯＫ』であれば、電
気メスの出力は許可される。また『ＮＧ』の場合、もは
や対極板１２は正常状態にないと判断され、電気メスの
出力は禁止され、また警告表示を行い、分割タイプの対
極板モニター２２の動作を停止させる。この方法であれ
ば、お互いのモニター部２１，２２が時分割的に作動す
るため、相互の干渉をなくすことができる。After this, the split type counter plate monitor 2
Start up 2. As a monitor of this division type, if the result of the impedance detection means 29 is "OK", the output of the electric knife is permitted. In the case of "NG", it is determined that the counter electrode plate 12 is no longer in a normal state, the output of the electric knife is prohibited, a warning is displayed, and the operation of the split type counter electrode plate monitor 22 is stopped. According to this method, since the monitor units 21 and 22 operate in a time division manner, mutual interference can be eliminated.
【００２０】なお、本発明では以上述べたような手順に
限らず、各モニターを必要に応じて機能させて対極板１
２の状態を監視することが可能である。 ［付記］前述した構成によれば、少なくとも以下のよう
な事項が得られる。 1-1 ．単極タイプの対極板と分割タイプの対極板とを使
用する高周波焼灼装置において、単極タイプの対極板お
よび分割タイプの対極板を接続する対極板接続手段と、
単極タイプの対極板の装着状態のモニターを直流電圧で
行うモニター手段と、分割タイプの対極板の装着状態の
モニターを交流電圧で行うモニター手段と、前記両モニ
ター手段を動作させて接続した対極板の装着状態を検出
する手段とを具備し、各タイプの対極板の状態の検出を
同時に監視することを特徴とする高周波焼灼装置。 1-2 ．単極タイプの対極板の装着状態のモニターを直流
電圧で行うモニター手段はローパスフィルタを介して対
極板接続手段に接続され、分割タイプの対極板の装着状
態のモニターを交流電圧で行う第２のモニター手段は直
流阻止手段を介して前記対極板接続手段に接続したこと
を特徴とする付記1-1 項に記載の高周波焼灼装置。In the present invention, the procedure is not limited to the above-described procedure, and each monitor is made to function as necessary, and the counter electrode plate 1 is
It is possible to monitor two conditions. [Additional Remarks] According to the above-described configuration, at least the following items can be obtained. 1-1. In a high-frequency ablation device using a monopolar type counter electrode plate and a split type counter electrode plate, a counter electrode plate connecting means for connecting the monopolar type counter electrode plate and the split type counter electrode plate,
Monitoring means for monitoring the mounting state of the single-pole type counter electrode with a DC voltage, monitoring means for monitoring the mounting state of the split type counter electrode with an AC voltage, and a counter electrode connected by operating both the monitoring means. A high-frequency ablation device comprising means for detecting the mounting state of a plate and simultaneously monitoring the detection of the state of each type of counter electrode plate. 1-2. The monitoring means for monitoring the mounted state of the single pole type counter plate with a DC voltage is connected to the counter pole plate connecting means via a low pass filter, and the second type for monitoring the mounted state of the split type counter plate with an AC voltage. The high frequency ablation device according to item 1-1, wherein the monitor means is connected to the counter electrode connecting means via a DC blocking means.
【００２１】2-1 ．単極タイプの対極板と分割タイプの
対極板とを使用する高周波焼灼装置において、単極タイ
プの対極板および分割タイプの対極板を接続する対極板
接続手段と、単極タイプの対極板の装着状態のモニター
を例えば直流電圧で行うモニター手段と、分割タイプの
対極板の装着状態のモニターを例えば交流電圧で行うモ
ニター手段と、前記両モニター手段を時分割で動作させ
て接続した対極板の装着状態を検出する手段とを具備
し、各タイプの対極板の装着状態の検出をある時間は１
方のモニター手段を機能させ、ある時間は他方のモニタ
ー手段を機能させてそれぞれの各対極板の装着状態を独
立に監視することを特徴とする高周波焼灼装置。 3-1 ．単極タイプの対極板と分割タイプの対極板とを使
用する高周波焼灼装置において、単極タイプの対極板と
分割タイプの対極板の各コネクタをそれぞれ接続可能な
共通の対極板接続手段を設け、単極タイプの対極板の装
着状態のモニターを直流電圧で行うモニター手段と、分
割タイプの対極板の装着状態のモニターを交流電圧で行
うモニター手段とを有し、前記各モニター手段は前記対
極板接続手段に接続され、前記両モニター手段を動作さ
せて接続した対極板の装着状態を検出し、どちらも異常
であることを判断すると電気メスの出力を禁止する制御
手段を具備し、各タイプの対極板の装着状態の検出を監
視することを特徴とする高周波焼灼装置。2-1. In a high-frequency ablation device using a monopolar type counter electrode plate and a split type counter electrode plate, a counter electrode plate connecting means for connecting the monopolar type counter electrode plate and the split type counter electrode plate, and mounting of the monopolar type counter electrode plate For example, a monitor means for monitoring the condition with a DC voltage, a monitor means for monitoring the condition with a split type counter plate mounted with an AC voltage, and a counter plate with both monitor means operated in a time division manner and connected And a means for detecting the state, and detecting the mounting state of each type of counter electrode for a certain period of time is 1
A high-frequency ablation device characterized in that one monitor means is made to function and the other monitor means is made to function for a certain time to independently monitor the mounting state of each counter electrode plate. 3-1. In a high-frequency ablation device that uses a single-pole type counter electrode plate and a split-type counter electrode plate, a common counter-electrode plate connecting means that can connect the respective connectors of the single-pole type counter electrode plate and the split-type counter electrode plate is provided, There is a monitoring means for monitoring the mounting state of the single pole type counter electrode with a DC voltage, and a monitoring means for monitoring the mounting state of the split type counter electrode plate with an AC voltage, each of the monitoring means being the counter electrode plate. The control means is connected to the connection means, detects the mounting state of the connected counter plates by operating both of the monitor means, and prohibits the output of the electric knife when it is determined that both are abnormal. An induction cauterization device characterized by monitoring detection of the mounting state of a counter electrode.
【００２２】[0022]
【発明の効果】以上説明したように本発明によれば、単
極タイプの対極板と分割タイプの対極板を使用できるに
も拘らず、各対極板の種別を判別する手段を特別に設け
ることなく、各タイプに応じたモニターを行うことがで
き、それら対極板の状態を容易かつ確実に判断して装置
の安全性がより向上するという効果が得られる。As described above, according to the present invention, although a single-pole type counter electrode plate and a split type counter electrode plate can be used, a means for discriminating the type of each counter electrode plate is specially provided. Instead, it is possible to perform monitoring according to each type, and it is possible to easily and surely determine the state of the counter electrode plate and to improve the safety of the device.
【図１】（ａ）は単極タイプの対極板の構成図、（ｂ）
は分割タイプの対極板の構成図。FIG. 1A is a configuration diagram of a monopolar type counter electrode plate, and FIG.
Is a block diagram of a split type counter electrode.
【図２】本発明の一実施例の電気メス装置の基本的な構
成を概略的に示す説明図。FIG. 2 is an explanatory view schematically showing the basic configuration of the electric scalpel device of one embodiment of the present invention.
【図３】同じく前記電気メス装置の対極板モニターの構
成を具体的に示す説明図。FIG. 3 is an explanatory view specifically showing the structure of a counter electrode monitor of the electric scalpel device.
【図４】同じく対極板をモニターする一例の手順のフロ
ーチャート。FIG. 4 is a flowchart of an example of a procedure for monitoring the return electrode.
【図５】同じく対極板をモニターする他の例の手順のフ
ローチャート。FIG. 5 is a flowchart of the procedure of another example of monitoring the return electrode.
１０…電気メス本体、１１…電気メスハンドピース、１
２…対極板、１２ａ…単極タイプ対極板、１２ｂ…分割
タイプ対極板、１３…高周波電流発生回路、１４…出力
トランス、１５…低周波カット用コンデンサ、１６…対
極板モニター、１７…アクティブコネクタ、１８…対極
板コネクタ、１９…表示手段、２０…制御手段２０、２
１…単極対極板モニター部、２２…分割対極板モニター
部、２３…独立電源、２４…フォトカプラ、２５…ロー
パスフィルタ、２６…導通検知手段、２７…直流阻止コ
ンデンサ、２８…パルストランス、２９…インピーダン
ス検出手段。10 ... Electric knife body, 11 ... Electric knife handpiece, 1
2 ... Counter plate, 12a ... Single pole type counter plate, 12b ... Split type counter plate, 13 ... High frequency current generating circuit, 14 ... Output transformer, 15 ... Low frequency cut capacitor, 16 ... Counter plate monitor, 17 ... Active connector , 18 ... Counter electrode connector, 19 ... Display means, 20 ... Control means 20, 2
DESCRIPTION OF SYMBOLS 1 ... Single pole counter electrode monitor part, 22 ... Divided return electrode plate monitor part, 23 ... Independent power supply, 24 ... Photocoupler, 25 ... Low pass filter, 26 ... Continuity detection means, 27 ... DC blocking capacitor, 28 ... Pulse transformer, 29 ... impedance detection means.
Claims (1)
とを用いる高周波焼灼装置において、 単極タイプの対極板および分割タイプの対極板を接続す
る対極板接続手段と、 単極タイプの対極板の状態のモニターを行うモニター手
段と、 分割タイプの対極板の状態のモニターを行うモニター手
段と、 前記両モニター手段を動作させて接続した対極板の装着
状態を検出する手段とを具備し、各タイプの対極板の状
態を監視することを特徴とする高周波焼灼装置。1. A high-frequency ablation device using a monopolar type counter electrode plate and a split type counter electrode plate, comprising: a monopolar type counter electrode plate and a split type counter electrode plate; It is provided with monitor means for monitoring the condition of the counter electrode plate, monitor means for monitoring the condition of the split type counter electrode plate, and means for operating the both monitor means to detect the mounting condition of the connected counter electrode plate. , A high-frequency ablation device characterized by monitoring the condition of each type of counter electrode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09270695A JP3580895B2 (en) | 1995-04-18 | 1995-04-18 | Induction cautery equipment |
| US08/631,272 US6039732A (en) | 1995-04-18 | 1996-04-12 | Electric operation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09270695A JP3580895B2 (en) | 1995-04-18 | 1995-04-18 | Induction cautery equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08280706A true JPH08280706A (en) | 1996-10-29 |
| JP3580895B2 JP3580895B2 (en) | 2004-10-27 |
Family
ID=14061931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09270695A Expired - Fee Related JP3580895B2 (en) | 1995-04-18 | 1995-04-18 | Induction cautery equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3580895B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008500080A (en) * | 2004-05-25 | 2008-01-10 | エルベ エレクトロメディツィン ゲーエムベーハー | Method and measuring device for measuring transition impedance between two parts of a subdivided neutral electrode |
| US11918269B2 (en) | 2018-09-07 | 2024-03-05 | Cilag Gmbh International | Smart return pad sensing through modulation of near field communication and contact quality monitoring signals |
| US11950860B2 (en) | 2021-03-30 | 2024-04-09 | Cilag Gmbh International | User interface mitigation techniques for modular energy systems |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018114482A1 (en) * | 2018-06-16 | 2019-12-19 | Olympus Winter & Ibe Gmbh | Electrosurgical device |
-
1995
- 1995-04-18 JP JP09270695A patent/JP3580895B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008500080A (en) * | 2004-05-25 | 2008-01-10 | エルベ エレクトロメディツィン ゲーエムベーハー | Method and measuring device for measuring transition impedance between two parts of a subdivided neutral electrode |
| US11918269B2 (en) | 2018-09-07 | 2024-03-05 | Cilag Gmbh International | Smart return pad sensing through modulation of near field communication and contact quality monitoring signals |
| US11950823B2 (en) | 2018-09-07 | 2024-04-09 | Cilag Gmbh International | Regional location tracking of components of a modular energy system |
| US11950860B2 (en) | 2021-03-30 | 2024-04-09 | Cilag Gmbh International | User interface mitigation techniques for modular energy systems |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3580895B2 (en) | 2004-10-27 |
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