JPH07100203A - Treatment device - Google Patents
Treatment deviceInfo
- Publication number
- JPH07100203A JPH07100203A JP5246959A JP24695993A JPH07100203A JP H07100203 A JPH07100203 A JP H07100203A JP 5246959 A JP5246959 A JP 5246959A JP 24695993 A JP24695993 A JP 24695993A JP H07100203 A JPH07100203 A JP H07100203A
- Authority
- JP
- Japan
- Prior art keywords
- perfusion
- electrode
- cutting
- visual field
- 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.)
- Withdrawn
Links
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Surgical Instruments (AREA)
- Endoscopes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は硬性鏡のシース内に洗浄
用の流体を流通させる灌流手段を備えた治療装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a therapeutic apparatus having a perfusion means for circulating a cleaning fluid in a sheath of a rigid endoscope.
【０００２】[0002]
【従来の技術】従来から例えば特開昭６３−１３２６４
８号公報に示すように経尿道的に体内に挿入され、前立
腺を切除する治療装置が知られている。この種の治療装
置では硬性鏡のシース内に生体組織を観察する光学視管
等の観察手段および生体組織切除用の高周波電流を流す
切除ワイヤ等の切除手段が挿通されている。2. Description of the Related Art Conventionally, for example, JP-A-63-13264
As shown in Japanese Patent Publication No. 8, there is known a therapeutic device which is inserted into the body transurethrally and excises the prostate. In this type of treatment device, an observation means such as an optical tube for observing living tissue and a cutting means such as a cutting wire for passing a high-frequency current for cutting living tissue are inserted through a sheath of a rigid endoscope.
【０００３】そして、例えば前立腺を切除する治療時に
は硬性鏡の先端部を経尿道的に前立腺の近傍位置まで導
くとともに、硬性鏡の光学視管の視野内に生体組織の患
部を挿入させ、この状態で切除ワイヤを目標の生体組織
の患部の近傍位置まで導いたのち、生体組織の患部の状
態を光学視管の視野内で目視しながら切除ワイヤを回動
操作し、光学視管の視野内の患部組織をこの切除ワイヤ
で切除するようにしている。Then, for example, at the time of treatment for excising the prostate, the distal end of the rigid endoscope is transurethrally guided to a position near the prostate, and the affected part of the biological tissue is inserted into the visual field of the optical endoscope of the rigid endoscope. After guiding the ablation wire to a position near the affected part of the target biological tissue with, rotate the ablation wire while visually observing the state of the affected part of the biological tissue within the visual field of the optical tube, The affected tissue is cut with this cutting wire.
【０００４】[0004]
【発明が解決しようとする課題】光学視管の視野内の患
部組織を生体組織切除用の切除ワイヤで切除する場合に
は切除した組織片、血液等により光学視管の対物レンズ
等が汚れるおそれがある。このように、光学視管の対物
レンズ等が汚れた場合には光学視管の視野が不明瞭にな
り、光学視管の視野内の観察像が見難くなる問題があ
る。そのため、切除ワイヤによる生体組織の切除作業が
難しくなる問題があるとともに、切除作業の途中で光学
視管を患者の体外に引き出し、光学視管の対物レンズ等
の汚れを落とす面倒な洗浄作業が必要になる問題があ
る。When the diseased tissue in the visual field of the optical tube is cut by a cutting wire for cutting a living tissue, the objective lens of the optical tube may be contaminated by the cut pieces of tissue, blood and the like. There is. As described above, when the objective lens or the like of the optical viewing tube is dirty, the visual field of the optical viewing tube becomes unclear, and there is a problem that the observation image in the visual field of the optical viewing tube becomes difficult to see. Therefore, there is a problem that the excision work of the living tissue by the excision wire becomes difficult, and a troublesome cleaning work is required to pull out the optical tube to the outside of the patient's body during the excision operation to remove the dirt such as the objective lens of the optical tube. There is a problem.
【０００５】本発明は上記事情に着目してなされたもの
で、その目的は、観察手段の視野内の患部組織を切除手
段で切除する作業中、観察手段の視野内の観察像を観察
し易い状態で維持させることができ、切除作業の作業能
率の向上を図ることができる治療装置を提供することに
ある。The present invention has been made in view of the above circumstances, and an object thereof is to easily observe an observation image in the visual field of the observing means during the operation of excising the affected tissue in the visual field of the observing means by the excision means. It is an object of the present invention to provide a treatment device that can be maintained in a state and can improve the work efficiency of excision work.
【０００６】[0006]
【課題を解決するための手段】本発明は生体組織を観察
する観察手段および前記生体組織の切除手段が硬性鏡の
シース内に挿通されるとともに、流体供給部から供給さ
れる洗浄用の流体を前記シース内に流通させる灌流手段
が設けられた治療装置において、前記切除手段の駆動信
号に応じて前記流体供給部の動作を制御し、前記切除手
段による前記生体組織の切除動作時に前記流体供給部か
らの流体供給量を変化させて前記生体組織の切除片を前
記観察手段の視野外に除去する切除片除去手段を設けた
ものである。According to the present invention, an observing means for observing a living tissue and a cutting means for the living tissue are inserted into a sheath of a rigid endoscope, and a cleaning fluid supplied from a fluid supply section is supplied. In a treatment apparatus provided with a perfusion means for circulating the fluid in the sheath, the operation of the fluid supply unit is controlled according to a drive signal of the excision unit, and the fluid supply unit is operated when the excision unit excises the biological tissue. A cut piece removing means for removing the cut piece of the biological tissue outside the visual field of the observation means is provided by changing the amount of fluid supplied from the.
【０００７】[0007]
【作用】切除手段による生体組織の切除動作時にはこの
切除手段の駆動信号に応じて流体供給部からの流体供給
量を変化させ、生体組織の切除片を観察手段の視野外に
除去するようにしたものである。When the cutting operation of the living tissue is performed by the cutting means, the amount of the fluid supplied from the fluid supply unit is changed according to the drive signal of the cutting means to remove the cut piece of the living tissue outside the field of view of the observing means. It is a thing.
【０００８】[0008]
【実施例】以下、本発明の第１の実施例を図１乃至図３
（Ａ）を参照して説明する。図１は本発明の第１の実施
例の治療装置全体の概略構成を示すもので、１は例えば
レゼクトスコープ等の硬性鏡、２はこの硬性鏡１の光源
装置、３は高周波焼灼電源装置、４は灌流装置（流体供
給部）である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS.
This will be described with reference to (A). FIG. 1 shows a schematic configuration of the entire treatment apparatus according to the first embodiment of the present invention. Reference numeral 1 is a rigid scope such as a resectoscope, 2 is a light source apparatus for the rigid scope 1, 3 is a high frequency ablation power supply apparatus. Reference numeral 4 is a perfusion device (fluid supply unit).
【０００９】ここで、硬性鏡１には外套管であるシース
５が設けられており、このシース５内に生体組織を観察
する観察手段である光学視管６と、生体組織の切除手段
である高周波焼灼具７とが挿通されている。Here, the rigid endoscope 1 is provided with a sheath 5 which is an outer tube, and an optical tube 6 which is an observing means for observing a living tissue in the sheath 5 and a cutting means for the living tissue. The high frequency ablation device 7 is inserted.
【００１０】さらに、光学視管６の手元側の端部にはラ
イトガイドケーブル８の一端部が連結されている。この
ライトガイドケーブル８の他端部は光源装置２に接続さ
れている。Further, one end of a light guide cable 8 is connected to the end of the optical tube 6 on the proximal side. The other end of the light guide cable 8 is connected to the light source device 2.
【００１１】また、高周波焼灼具７にはこの焼灼具本体
７ａの先端部側に高周波焼灼用の電極（切除手段）９が
配設されている。さらに、この焼灼具本体７ａの基端部
側にはＡコード１０の一端部が連結されている。このＡ
コード１０の他端部は高周波焼灼電源装置３に接続され
ている。この高周波焼灼電源装置３にはフットスイッチ
１１が接続されている。Further, the high frequency cautery 7 is provided with an electrode (cutting means) 9 for high frequency cauterization on the tip side of the cautery body 7a. Further, one end of the A cord 10 is connected to the proximal end side of the cautery tool body 7a. This A
The other end of the cord 10 is connected to the high frequency ablation power supply device 3. A foot switch 11 is connected to the high frequency ablation power supply device 3.
【００１２】また、シース５の基端部側には手元側の操
作部１２が設けられている。この手元側操作部１２には
ハンドル１３が設けられており、このハンドル１３の操
作に連動して高周波焼灼具７の電極９がシース５の軸心
方向に沿って進退操作されるようになっている。An operating portion 12 on the proximal side is provided on the proximal end side of the sheath 5. A handle 13 is provided on the proximal side operation unit 12, and the electrode 9 of the high frequency ablation device 7 is operated to move back and forth along the axial direction of the sheath 5 in association with the operation of the handle 13. There is.
【００１３】さらに、シース５の手元側操作部１２には
送水口体１４および排水口体１５が突設されている。そ
して、送水口体１４には送水チューブ１６の一端部が、
また排水口体１５には排水チューブ１７の一端部がそれ
ぞれ連結されている。この排水チューブ１７の他端部は
図示しない排水用ボトル等に接続されている。Further, a water supply port body 14 and a drainage port body 15 are provided on the proximal side operation portion 12 of the sheath 5 so as to project therefrom. Then, one end of the water supply tube 16 is attached to the water supply port body 14.
One end of a drainage tube 17 is connected to the drainage body 15. The other end of the drainage tube 17 is connected to a drainage bottle or the like (not shown).
【００１４】また、送水チューブ１６の他端部は灌流装
置４に接続されている。この灌流装置４には灌流液の入
った容器１８が取付けられている。さらに、この灌流装
置４の内部には図２に示すロータリーポンプ１９が配設
されている。そして、このロータリーポンプ１９により
容器１８内の灌流液が送水チューブ１６を介して送水口
体１４側に供給されるようになっている。The other end of the water supply tube 16 is connected to the perfusion device 4. A container 18 containing a perfusate is attached to the perfusion device 4. Further, inside the perfusion device 4, a rotary pump 19 shown in FIG. 2 is arranged. Then, the rotary pump 19 supplies the perfusate in the container 18 to the water supply port body 14 side through the water supply tube 16.
【００１５】さらに、灌流装置４は信号線２０を介して
高周波焼灼電源装置３と接続されている。この場合、信
号線２０の一端部は図２に示すように灌流装置４の送受
信部２１に接続されている。この送受信部２１は制御部
２２に接続されている。この制御部２２には灌流装置４
のフロントパネル部２３、ロータリーポンプ１９の動作
を制御するロータリーポンプ制御部２４、灌流液の残量
を検出する灌流液残量検出部２５がそれぞれ接続されて
いる。なお、フロントパネル部２３には灌流装置４の灌
流量を設定する灌流量設定手段が設けられている。Further, the perfusion device 4 is connected to the high frequency ablation power supply device 3 via a signal line 20. In this case, one end of the signal line 20 is connected to the transmitter / receiver 21 of the perfusion device 4 as shown in FIG. The transmission / reception unit 21 is connected to the control unit 22. The control unit 22 includes the perfusion device 4
A front panel unit 23, a rotary pump control unit 24 that controls the operation of the rotary pump 19, and a perfusate residual amount detection unit 25 that detects the residual amount of the perfusate are connected to each other. The front panel section 23 is provided with a perfusion rate setting means for setting the perfusion rate of the perfusion apparatus 4.
【００１６】また、制御部２２には電極９の駆動信号
（高周波焼灼電源装置３のフットスイッチ１１のオン、
オフ信号）に応じて灌流装置４のロータリーポンプ１９
の動作を制御し、電極９による生体組織の切除動作時に
ロータリーポンプ１９からの流体供給量を増大して生体
組織の切除片を光学視管６の視野外に除去する切除片除
去手段が設けられている。そして、フロントパネル部２
３の灌流量設定手段からの設定信号は制御部２２に入力
され、この制御部２２からの指示によりロータリーポン
プ制御部２４を介してロータリーポンプ１９の回転量が
制御されて灌流装置４からの流体供給量が増減されるよ
うになっている。Further, the control unit 22 has a drive signal for the electrode 9 (the foot switch 11 of the high frequency ablation power supply 3 is turned on,
The rotary pump 19 of the perfusion device 4 according to the off signal).
And a cutting piece removing means for increasing the amount of fluid supplied from the rotary pump 19 during the cutting operation of the living tissue by the electrode 9 to remove the cutting piece of the living tissue outside the visual field of the optical tube 6. ing. And the front panel section 2
The setting signal from the perfusion rate setting unit 3 is input to the control unit 22, and the rotation amount of the rotary pump 19 is controlled via the rotary pump control unit 24 according to an instruction from the control unit 22, and the fluid from the perfusion device 4 is controlled. The supply is increased or decreased.
【００１７】次に、上記構成の作用について説明する。
まず、前立腺を切除する治療時には硬性鏡１が経尿道的
に体内に挿入される。そして、高周波焼灼具７の電極９
が治療目的部位である前立腺の近傍位置まで導かれる。Next, the operation of the above configuration will be described.
First, at the time of treatment for removing the prostate, the rigid endoscope 1 is inserted into the body through the urethra. And the electrode 9 of the high-frequency cautery device 7
Is guided to a position near the prostate gland, which is the target area for treatment.
【００１８】さらに、硬性鏡１の光学視管６の視野内に
前立腺の患部が挿入された状態で、高周波焼灼具７の電
極９が目標の患部の近傍位置まで導かれる。このように
前立腺の患部の状態を光学視管６の視野内で目視しなが
ら高周波焼灼具７の電極９が患部組織と対応する位置に
位置決めされた状態で、フットスイッチ１１が踏み込み
操作される。Further, with the affected part of the prostate inserted in the visual field of the optical tube 6 of the rigid endoscope 1, the electrode 9 of the high frequency ablation device 7 is guided to a position near the target affected part. In this manner, the foot switch 11 is depressed while the electrode 9 of the high frequency ablation device 7 is positioned at a position corresponding to the affected tissue while visually observing the condition of the affected part of the prostate within the visual field of the optical tube 6.
【００１９】このようにフットスイッチ１１が踏み込ま
れてオン操作されると、電極９への通電がオン状態に切
換え操作され、この電極９で患部の生体組織が高周波焼
灼され、切除される。When the foot switch 11 is depressed and turned on as described above, the energization of the electrode 9 is switched to the on state, and the living tissue of the affected area is ablated by the electrode 9 and excised.
【００２０】また、この高周波焼灼具７の動作時に電極
９への通電がオンになった情報は信号線２０を介してＨ
ｉｇｈ，Ｌｏｗのレベル信号、又はアスキーコード文字
列のコマンド等として灌流装置４の送受信部２１を介し
て制御部２２に伝えられる。Further, information that the energization of the electrode 9 is turned on during the operation of the high frequency cautery 7 is H through the signal line 20.
It is transmitted to the control unit 22 via the transmission / reception unit 21 of the perfusion device 4 as a level signal of high, Low, a command of an ASCII code character string, or the like.
【００２１】制御部２２ではこの電極９の駆動信号に応
じて電極９による生体組織の切除動作時にロータリーポ
ンプ１９からの流体供給量を増大して生体組織の切除片
を光学視管６の視野外に除去する切除片除去手段が機能
する。The control unit 22 increases the fluid supply amount from the rotary pump 19 during the excision operation of the biological tissue by the electrode 9 in response to the drive signal of the electrode 9 to remove the excised piece of the biological tissue from the visual field of the optical scope 6. The excision piece removing means for removal functions.
【００２２】この切除片除去手段は例えば図３（Ａ）に
示すようにフットスイッチ１１のオンオフ操作にともな
い灌流量を増加させる灌流量増加スイッチがオンオフ操
作されるようになっている。この場合、灌流量増加スイ
ッチは例えば図３（Ａ）に示すようにフットスイッチ１
１のオン動作時点ｔ1 からｄ1 時間遅延されたｔ2 時点
で、オン操作される。これにより、ロータリーポンプ１
９の回転量が高められ、予めフロントパネル部２３の灌
流量設定手段に設定された灌流量の設定値、又は制御部
２２内に記憶されている灌流量の設定値より灌流流体の
供給量が増加される。In this excision piece removing means, for example, as shown in FIG. 3 (A), an irrigation flow rate increasing switch for increasing the irrigation flow rate with the on / off operation of the foot switch 11 is turned on / off. In this case, the irrigation flow rate increase switch is, for example, as shown in FIG.
The ON operation is performed at the time point t 2 delayed by d 1 time from the ON operation time point 1 of 1 . This allows the rotary pump 1
The rotation amount of 9 is increased, and the supply amount of the perfusion fluid is larger than the set value of the perfusion rate set in advance in the perfusion rate setting means of the front panel section 23 or the set value of the perfusion rate stored in the control section 22. Will be increased.
【００２３】また、フットスイッチ１１のオフ操作時に
はフットスイッチ１１のオフ動作時点ｔ3 からｄ2 時間
遅延されたｔ4 時点で、灌流量増加スイッチがオフ操作
される。これにより、ロータリーポンプ１９の回転量が
設定回転量に戻され、予めフロントパネル部２３の灌流
量設定手段に設定された灌流量の設定値、又は制御部２
２内に記憶されている灌流量の設定値まで灌流流体の供
給量が減少される。Further, when the foot switch 11 is turned off, the perfusion rate increase switch is turned off at a time point t 4 delayed by d 2 hours from the time point t 3 at which the foot switch 11 is turned off. As a result, the rotation amount of the rotary pump 19 is returned to the set rotation amount, and the set value of the irrigation flow rate set in advance by the irrigation flow rate setting means of the front panel unit 23 or the control unit 2 is set.
The supply amount of the perfusion fluid is reduced to the set value of the perfusion flow stored in 2.
【００２４】このとき、制御部２２では予めフロントパ
ネル部２３の灌流量設定手段に設定された灌流量の設定
値、又は制御部２２内に記憶されている灌流量の設定値
に応じて灌流量増加スイッチのオン、オフ動作の遅延時
間ｄ1 、ｄ2 が設定され、上記パラメータに応じてロー
タリーポンプ制御部２４がロータリーポンプ１９の回転
量を変化させる。従って、図３（Ａ）に示すようにフッ
トスイッチ１１のオンオフ（電極９への通電のＯＮ，Ｏ
ＦＦ）に応じて灌流量を増減することができる。At this time, in the control unit 22, the perfusion amount set in advance in the perfusion setting unit of the front panel unit 23 or the perfusion amount stored in the control unit 22 is set in accordance with the set perfusion amount. The delay times d 1 and d 2 of the on / off operation of the increasing switch are set, and the rotary pump control unit 24 changes the rotation amount of the rotary pump 19 according to the above parameters. Therefore, as shown in FIG. 3 (A), the foot switch 11 is turned on / off (energization to the electrode 9 is turned on and off).
The perfusion rate can be increased or decreased according to FF).
【００２５】そこで、上記構成のものにあっては高周波
焼灼具７の電極９による生体組織の切除動作時にはこの
電極９の駆動信号に応じてシース５内に供給される灌流
流体の供給量が従来よりも増加されるので、光学視管６
の視野内の患部組織を高周波焼灼具７の電極９で切除す
る作業中、シース５内に供給される大流量の灌流流体に
よって生体組織の切除片を光学視管６の視野外に確実に
除去することができる。そのため、光学視管６の視野内
の患部組織を高周波焼灼具７の電極９で切除する作業
中、切除した組織片、血液等により光学視管６の対物レ
ンズ等が汚れるおそれがないので、光学視管６の視野内
の観察像を観察し易い状態で維持させることができ、切
除作業の作業能率の向上を図ることができる。Therefore, in the case of the above-mentioned structure, the supply amount of the perfusion fluid supplied into the sheath 5 according to the drive signal of the electrode 9 during the excision operation of the living tissue by the electrode 9 of the high-frequency cautery 7 is conventional. The optical tube 6
During the work of excising the affected tissue in the visual field of the patient with the electrode 9 of the high-frequency cautery 7, a large amount of the perfusion fluid supplied into the sheath 5 reliably removes the excised piece of the biological tissue outside the visual field of the optical tube 6. can do. Therefore, during the work of cutting the affected tissue in the field of view of the optical tube 6 with the electrode 9 of the high-frequency cautery 7, there is no possibility that the cut lens piece, blood, or the like will contaminate the objective lens or the like of the optical tube 6. It is possible to maintain the observation image in the visual field of the visual tube 6 in an easily observable state, and improve the work efficiency of the excision work.
【００２６】また、図３（Ｂ）は高周波焼灼具７の電極
９による生体組織の切除動作時にこの電極９の駆動信号
に応じてシース５内に供給される灌流流体の供給量を増
加させる場合の灌流流体の灌流量の増減のパターンの変
形例を示すものである。すなわち、ここではフットスイ
ッチ１１のオン動作時点ｔ1 からの灌流流体の供給量の
増加率がＡ1 に設定され、フットスイッチ１１のオフ動
作時点ｔ3 からの灌流流体の供給量の減少率がＡ2 にそ
れぞれ設定されたものである。Further, FIG. 3B shows a case where the supply amount of the perfusion fluid supplied into the sheath 5 is increased in response to the drive signal of the electrode 9 during the excision operation of the biological tissue by the electrode 9 of the high frequency ablation device 7. 7 shows a modification of the pattern of increase / decrease in the perfusion flow rate of the perfusion fluid. That is, here, the increase rate of the supply amount of the perfusion fluid from the on operation time t 1 of the foot switch 11 is set to A 1, and the decrease rate of the supply amount of the perfusion fluid from the off operation time t 3 of the foot switch 11 is set to A 1. They are set to A 2 , respectively.
【００２７】また、光学視管６の視野内の患部組織を高
周波焼灼具７の電極９で切除する作業中におけるシース
５内に供給される灌流流体の灌流量の増減のパターンは
図３（Ｃ）に示すように最大灌流量ＦH を通る曲線とな
るように制御部２２内で計算し、ロータリーポンプ制御
部２４を駆動する構成にしてもよい。Further, the pattern of increase / decrease in the perfusion flow rate of the perfusion fluid supplied into the sheath 5 during the operation of excising the affected tissue in the visual field of the optical tube 6 with the electrode 9 of the high frequency cautery 7 is shown in FIG. The calculation may be performed in the control unit 22 so as to obtain a curve that passes through the maximum perfusion flow rate F H as shown in (4), and the rotary pump control unit 24 may be driven.
【００２８】また、図４は本発明の第２の実施例を示す
ものである。これは、高周波焼灼電源装置３と灌流装置
４との間にシステムコントローラ３１等の他の装置を介
在させ、このシステムコントローラ３１によって電極９
の駆動信号（高周波焼灼電源装置３のフットスイッチ１
１のオン、オフ信号）に応じて灌流装置４のロータリー
ポンプ１９の動作を制御し、電極９による生体組織の切
除動作時にロータリーポンプ１９からの流体供給量を増
大して生体組織の切除片を光学視管６の視野外に除去す
る構成にしたものである。なお、図４中で、３２は膀
胱、３３は前立腺、３４は硬性鏡１の排水チューブ１７
に接続された排水用ボトルである。このように高周波焼
灼電源装置３以外の装置の情報により灌流量を増減する
ようにしても良く、この場合も、上記実施例と同様の効
果を得ることができる。なお、本発明は上記実施例に限
定されるものではなく、本発明の要旨を逸脱しない範囲
で種々変形実施できることは勿論である。FIG. 4 shows a second embodiment of the present invention. This is because another device such as a system controller 31 is interposed between the high frequency ablation power supply device 3 and the perfusion device 4, and the system controller 31 causes the electrode 9 to move.
Drive signal (foot switch 1 of high frequency cautery power supply 3
The operation of the rotary pump 19 of the perfusion device 4 is controlled according to the ON / OFF signal of 1, and the amount of fluid supplied from the rotary pump 19 is increased during the cutting operation of the biological tissue by the electrode 9 to remove the cut piece of the biological tissue. It is configured to be removed outside the visual field of the optical tube 6. In FIG. 4, 32 is a bladder, 33 is a prostate, 34 is the drainage tube 17 of the rigid endoscope 1.
Is a drainage bottle connected to. In this way, the perfusion rate may be increased or decreased based on the information of devices other than the high frequency ablation power supply device 3, and in this case, the same effect as that of the above-described embodiment can be obtained. It should be noted that the present invention is not limited to the above-mentioned embodiments, and it is needless to say that various modifications can be made without departing from the gist of the present invention.
【００２９】[0029]
【発明の効果】本発明によれば切除手段の駆動信号に応
じて流体供給部の動作を制御し、切除手段による生体組
織の切除動作時に流体供給部からの流体供給量を変化さ
せて生体組織の切除片を観察手段の視野外に除去する切
除片除去手段を設けたので、観察手段の視野内の患部組
織を切除手段で切除する作業中、観察手段の視野内の観
察像を観察し易い状態で維持させることができ、切除作
業の作業能率の向上を図ることができる。According to the present invention, the operation of the fluid supply section is controlled according to the drive signal of the cutting means, and the amount of fluid supplied from the fluid supply section is changed during the cutting operation of the living tissue by the cutting means to change the living tissue. Since the cut piece removing means for removing the cut piece outside the field of view of the observing means is provided, it is easy to observe the observation image in the field of view of the observing means during the work of cutting the diseased tissue in the field of view of the observing means with the cutting means. It can be maintained in the state, and the work efficiency of the excision work can be improved.
【図１】 本発明の第１の実施例の治療装置の概略構成
図。FIG. 1 is a schematic configuration diagram of a treatment apparatus according to a first embodiment of the present invention.
【図２】 同実施例の要部の概略構成図。FIG. 2 is a schematic configuration diagram of a main part of the embodiment.
【図３】 （Ａ）は同実施例の作用を説明するための灌
流流体の灌流量の増減の制御パターンを示す特性図、
（Ｂ）は灌流流体の灌流量の増減の制御パターンの変形
例を示す特性図、（Ｃ）は灌流流体の灌流量の増減の制
御パターンの他の変形例を示す特性図。FIG. 3A is a characteristic diagram showing a control pattern for increasing / decreasing a perfusion flow rate of a perfusion fluid for explaining the operation of the same embodiment;
(B) is a characteristic diagram showing a modified example of a control pattern for increasing / decreasing the perfusion flow rate of the perfusion fluid, and (C) is a characteristic diagram showing another modified example of the control pattern for increasing / decreasing the perfusion flow rate of the perfusion fluid.
【図４】 本発明の第２の実施例の治療装置の概略構成
図。FIG. 4 is a schematic configuration diagram of a treatment apparatus according to a second embodiment of the present invention.
１…硬性鏡、４…灌流装置（流体供給部）、５…シー
ス、６…光学視管、９…電極（切除手段）、２２…制御
部（切除片除去手段）。DESCRIPTION OF SYMBOLS 1 ... Rigid endoscope, 4 ... Perfusion apparatus (fluid supply part), 5 ... Sheath, 6 ... Optical tube, 9 ... Electrode (excision means), 22 ... Control part (excision piece removal means).
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成６年１月１８日[Submission date] January 18, 1994
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】図面[Document name to be corrected] Drawing
【補正対象項目名】図４[Name of item to be corrected] Fig. 4
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【図４】 [Figure 4]
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ａ６１Ｂ 1/307 1/31 17/39 ３１５ (72)発明者 内久保 明伸 東京都渋谷区幡ヶ谷２丁目43番２号 オリ ンパス光学工業株式会社内 (72)発明者 田口 晶弘 東京都渋谷区幡ヶ谷２丁目43番２号 オリ ンパス光学工業株式会社内 (72)発明者 金子 守 東京都渋谷区幡ヶ谷２丁目43番２号 オリ ンパス光学工業株式会社内─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification number Office reference number FI Technical indication location A61B 1/307 1/31 17/39 315 (72) Inventor Akinobe Uchikubo 2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Industry Co., Ltd., 43-2 (72) Inventor Akihiro Taguchi 2 Hatagaya, Shibuya-ku, Tokyo 2-43 Olympus Optical Co., Ltd. (72) Mamoru Kaneko 2 Hatagaya, Shibuya-ku, Tokyo 43-2, Olympus Optical Co., Ltd.
Claims (1)
生体組織の切除手段が硬性鏡のシース内に挿通されると
ともに、流体供給部から供給される洗浄用の流体を前記
シース内に流通させる灌流手段が設けられた治療装置に
おいて、前記切除手段の駆動信号に応じて前記流体供給
部の動作を制御し、前記切除手段による前記生体組織の
切除動作時に前記流体供給部からの流体供給量を変化さ
せて前記生体組織の切除片を前記観察手段の視野外に除
去する切除片除去手段を設けたことを特徴とする治療装
置。1. An irrigation device for observing a living tissue and a cutting means for the living tissue are inserted into a sheath of a rigid endoscope, and a cleaning fluid supplied from a fluid supply unit is circulated in the sheath. In the treatment device including means, the operation of the fluid supply unit is controlled according to the drive signal of the cutting unit, and the amount of fluid supplied from the fluid supply unit is changed during the cutting operation of the biological tissue by the cutting unit. The treatment device is provided with a cut piece removing means for removing the cut piece of the biological tissue outside the field of view of the observation means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5246959A JPH07100203A (en) | 1993-10-01 | 1993-10-01 | Treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5246959A JPH07100203A (en) | 1993-10-01 | 1993-10-01 | Treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07100203A true JPH07100203A (en) | 1995-04-18 |
Family
ID=17156275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5246959A Withdrawn JPH07100203A (en) | 1993-10-01 | 1993-10-01 | Treatment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07100203A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006198212A (en) * | 2005-01-21 | 2006-08-03 | Pentax Corp | Electronic endoscope system |
| WO2014046162A1 (en) | 2012-09-21 | 2014-03-27 | オリンパスメディカルシステムズ株式会社 | Surgery device |
-
1993
- 1993-10-01 JP JP5246959A patent/JPH07100203A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006198212A (en) * | 2005-01-21 | 2006-08-03 | Pentax Corp | Electronic endoscope system |
| WO2014046162A1 (en) | 2012-09-21 | 2014-03-27 | オリンパスメディカルシステムズ株式会社 | Surgery device |
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