JP2905152B2 - Endoscope air / liquid supply device - Google Patents
Endoscope air / liquid supply deviceInfo
- Publication number
- JP2905152B2 JP2905152B2 JP8232235A JP23223596A JP2905152B2 JP 2905152 B2 JP2905152 B2 JP 2905152B2 JP 8232235 A JP8232235 A JP 8232235A JP 23223596 A JP23223596 A JP 23223596A JP 2905152 B2 JP2905152 B2 JP 2905152B2
- Authority
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- Japan
- Prior art keywords
- liquid supply
- valve
- air
- liquid
- electromagnetic
- 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 - Lifetime
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- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、医療用内視鏡にお
ける送気送液装置の改良に関し、さらに詳しくは送液管
路および送気管路の洗浄を確実に行うことが可能な内視
鏡の送気送液装置に関するものである。
【０００２】
【従来の技術】電子内視鏡は、十二指腸、直腸、大腸、
食道、耳鼻、および膀胱などの生体の治療や検査に広く
用いられている。
【０００３】そして、内視鏡の送気送液装置は、術中に
内視鏡先端の観察光学系に付着する汚物や粘着物を除去
するために機能する。すなわち術中において、観察光学
系に汚物や粘着物が付着すると、内視鏡による観察視野
が阻害されるため、内視鏡の送液路から先端の送液ノズ
ルへ液体を供給して観察光学系に噴射させた後、さらに
送気路から先端送気ノズルへ気体を供給して観察光学系
に付着した液体を取除く作業が必要とされるのである。
【０００４】しかるに、術後において、内視鏡を患者の
体内から抜き出した後、内視鏡の送気管路および送液管
路には、体内から逆流した汚物や粘着物、および場合に
よっては造影剤などの薬物が付着しているため、定期的
に管路内を洗浄ないし消毒することがさらに必要とな
る。
【０００５】従来、内視鏡の送気送液管路を洗浄する手
段としては、管路端を内視鏡から取外して、これに注射
器のシリンダなどを連結することにより、管内に洗浄液
や気体を繰返し注入する方法および送気管路と送液管路
を何らかの手段で連結させておき、送気管路に送液し、
また送液管路に送気することが可能に構成して洗浄を行
なう方法などがとられてきた。
【０００６】
【発明が解決しようとする課題】しかるに、上述した従
来の内視鏡の送気送液管路の洗浄手段は、いずれも作業
が煩雑で、術者にとってきわめて面倒であるにも関わら
ず、送液管路および送気管路の洗浄を確実に行うことが
難しかった。
【０００７】本発明は上述した従来の内視鏡の送気送液
装置が有する問題点を解決するために検討した結果、達
成されたものである。
【０００８】したがって本発明の目的は、送気管路およ
び送液管路を効率良く且つ確実に洗浄することができる
内視鏡の送気送液装置を提供することにある。
【０００９】
【課題を解決するための手段】上記目的を達成するため
に本発明は、送気管路と送液管路に送液可能な送液モー
ドと、前記送気管路と前記送液管路に送気可能な送気モ
ードを有する内視鏡の送気送液装置において、前記送気
管路と前記送液管路を連通させる連通管から上流側及び
下流側のそれぞれに設けられる開閉弁と、前記開閉弁の
開閉時間、開閉順序を制御する制御手段とを具備するこ
とを特徴とする。また、前記連通管は開閉弁を有し、前
記制御手段は、前記送気管路及び前記送液管路に設けら
れる開閉弁と前記連通管に設けられる開閉弁の開閉時
間、開閉順序を制御ように構成することが好ましい。
【００１０】そして、本発明によれば、送気管路と送液
管路を連通させる連通管から上流側及び下流側のぞれぞ
れに設けられる開閉弁の開閉時間、開閉順序を制御する
ことにより、送気管路のみや送液管路のみに送液・送気
する等各管路の洗浄・除水処理を確実に行うことがで
き、また注入器の接続や洗浄作業中に術者が洗浄用の押
ボタンを押し続けるといった繁雑な作業が不要になると
共に、管路の汚れ具合など状況に応じた洗浄作業等を行
えるので、作業効率が向上し、ひいては術者の負担を軽
減することができる。
【００１１】
【発明の実施の形態】以下、本発明の内視鏡の送気送液
装置の実施の形態について図面を用いて詳細に説明す
る。
【００１２】図１は本発明の内視鏡の送気送液装置の概
略を示す斜視説明図、図２は図１における内視鏡先端部
の部分拡大斜視図、図３は内視鏡操作部の回路説明図で
あり、図４は本発明の内視鏡の送気送液装置における洗
浄制御手段の第１実施例を示す管路・回路接続説明図、
図５は同第２実施例を示す管路・回路接続説明図、図６
は同参考例を示す管路・回路接続説明図である。
【００１３】図１において、１は内視鏡であり、これは
先端から後端にかけて、固体撮像素子（以下ＣＣＤと略
称する）および観察光学系などを内蔵する先端部２、術
者の操作で上下左右動する屈曲部３、導中部４および本
体部Ｅから構成されている。
【００１４】そして、本体部Ｅは屈曲部３を作動する操
作ノブ５およびその他図示していない種々の操作ボタン
や電源部などを具備しており、送気・送液管路６が接続
されている。
【００１５】さらに、送気・送液管路６の一端は送気ポ
ンプ６２を具備する送液ボトル６３に連結され、他端は
図２に示した内視鏡先端部２の送気ノズル２３および送
液ノズル２４に接続されている。
【００１６】なお、図２において、２１はＣＣＤ等を内
蔵るレンズ窓から構成される観察光学系、２２ａ、２２
ｂは照明用ファイバ―、２５は生検などに利用する鉗子
口であり、前記送気ノズル２３および送液ノズル２４
は、術中において観察光学系２１表面に付着した汚物な
どを洗浄、除去するために使用される。
【００１７】そして、上述の構成からなる本発明の内視
鏡の送気送液装置は、送気・送液管路６の途中に、洗浄
制御手段６４、すなわち電磁開閉弁とタイマ―回路との
組合せを設けたことを特徴とする。
【００１８】したがって、本発明で用いる内視鏡には、
図３に示したような全体回路が構成されている。
【００１９】すなわち、図３において、操作部７および
電源部８は、光源部９、ＣＣＤによる画像処理部１０お
よび送気・送液部１１に接続されており、これら光源部
９、画像処理部１０および送気・送液部１１は、夫々コ
ネクタ―１２を経て内視鏡全体に接続されている。
【００２０】そして、上記送気・送液部１１は、さらに
図４に示した電磁弁制御部６１を介して、洗浄制御手段
６４の各電磁開閉弁６４１、６４２、６４３、６４４へ
接続（図４の点線）されている。
【００２１】本発明の特徴とする洗浄制御手段６４は、
送気管路６５１および送液管路６５２の一端が送気ポン
プ６２を具備する送液ボトル６３に、また他端が送気ノ
ズル２３および送液ノズル２４へ夫々連結されている洗
浄管路の途中において、複数の電磁開閉弁を組合せ、こ
れを電磁弁制御部６１に組込んだタイマ―回路と連動せ
しめることにより構成されている。
【００２２】すなわち図４において、洗浄制御手段６４
は、送気管路６５１に第１の電磁開閉弁６４１および第
２の電磁開閉弁６４２を、また送液管路６５２に第３の
電磁開閉弁６４３および第４の電磁開閉弁６４４を夫々
直列せしめ、上記送気管路６５１における第１の電磁開
閉弁６４１と第２の電磁開閉弁６４２の中間位置と、上
記送液管路６５２における第３の電磁開閉弁６４３と第
４の電磁開閉弁６４４の中間位置とを、連通管６５３で
連結してなり、各電磁開閉弁６４１、６４２、６４３お
よび６４４の作動は、電磁弁制御部６１に組込まれたタ
イマ―回路（図示せず）により、次表のように作動する
ようになっている。
【００２３】
【表１】
すなわち術中のモ―ドにおいて、電磁開閉弁６４１、６
４２、６４３および６４４をすべてＯＦＦすれば、送気
・送液は中止され、電磁開閉弁６４１および６４２をＯ
Ｎ、電磁開閉弁６４３および６４４をＯＦＦすれば、送
気管路６５１への送気のみが、また電磁開閉弁６４１お
よび６４２をＯＦＦ、電磁開閉弁６４３および６４４を
ＯＮすれば、送液管路６５２への送液のみが遂行され
る。
【００２４】そして術後の洗浄モ―ドにおいて、電磁開
閉弁６４１をＯＦＦ、電磁開閉弁６４２、６４３および
６４４をＯＮすれば、送液ボトル６３中の液体は電磁開
閉弁６４３から電磁開閉弁６４４へ、また電磁開閉弁６
４３から連通管６５３を通って電磁開閉弁６４２へと流
れ、送気管路６５１ａおよび送液管路６５２ａの両者を
送液されて、両管路の洗浄が一定時間行なわれる。
【００２５】次に、自動的にタイマ―を切替えて、電磁
開閉弁６４３をＯＦＦ、電磁開閉弁６４１、６４２およ
び６４４をＯＮすれば、送気ポンプ６２から送られる気
体は、電磁開閉弁６４１から電磁開閉弁６４２へ、また
電磁開閉弁６４１から連通管６５３を通って電磁開閉弁
６４４へと流れ、送気管路６５１ａおよび送液管路６５
２ａの両者へと送気されて、両管路の乾燥を一定時間行
なうことになる。
【００２６】したがって、上述した送気・送液動作を、
一定時間ずつ、必要回数繰返して行なうように、タイマ
―回路を設定しておけば、操作部７の洗浄操作ボタン
（図示せず）を一度押すだけで、確実な管路洗浄が全自
動的に短時間で達成されることになるのである。
【００２７】上述の図４に示した第１実施例において
は、連通管６５３を気体および液体が逆流しないよう
に、送気ポンプ６２の圧力を調整する必要があるが、連
通管６５３の一部に逆止弁（図示せず）を設けることに
より、逆流の心配を解消することが可能である。
【００２８】また、図５に示した第２実施例は、連通管
６５３に対し、さらに第５の電磁開閉弁６４５を設け
て、その作動をタイマ―回路に連動させた点が上述した
第１実施例と相違している。
【００２９】この第２実施例においては、送気または送
液モ―ドに応じて第５の電磁開閉弁６４５を開閉するこ
とにより、連通管６５３における送気および送液を一層
確実なものとし、管路洗浄の効率化をさらに助長するこ
とができる。
【００３０】さらに、図６に示した参考例は、第２およ
び第４の電磁開閉弁を省略した点が、上述した第１およ
び第２実施例と相違している。
【００３１】すなわち図６において、洗浄制御手段６４
は、送気管路６５１に第１の電磁開閉弁６４１を、また
送液管路６５２に第２の電磁開閉弁６４２を夫々設け、
上記送気管路６５１における第１の電磁開閉弁６４１と
送気ノズル２３との中間位置と、上記送液管路６５２に
おける第２の電磁開閉弁６４２と送液ノズル２４との中
間位置とを、連通管６５３で連結すると共に、この連通
管６５３に第３の電磁開閉弁６４３を設けてなり、各電
磁開閉弁６４１、６４２および６４３の作動は、電磁弁
制御部６１に組込まれたタイマ―回路（図示せず）に接
続され、次のように作動する。
【００３２】すなわち術中のモ―ドにおいて、電磁開閉
弁６４１、６４２および６４３をすべてＯＦＦすれば、
送気・送液は中止され、電磁開閉弁６４１をＯＮ、電磁
開閉弁６４２および６４３をＯＦＦすれば、送気管路６
５１ａへの送気のみが、また電磁開閉弁６４２をＯＮ、
電磁開閉弁６４１および６４３をＯＦＦすれば、送液管
路６５２ａへの送液のみが遂行される。
【００３３】そして術後の洗浄モ―ドにおいて、電磁開
閉弁６４１をＯＦＦ、電磁開閉弁６４２および６４３を
ＯＮすれば、送液ボトル６３中の液体は電磁開閉弁６４
２から送液ノズル２４へ、また電磁開閉弁６４２から連
通管６５３および電磁開閉弁６４３を通って送気ノズル
２３へと流れ、送気管路６５１ａおよび送液管路６５２
ａの両者に送液されて、両管路の洗浄が一定時間行なわ
れる。
【００３４】次に、自動的にタイマ―を切替えて、電磁
開閉弁６４２をＯＦＦ、電磁開閉弁６４１および６４３
をＯＮすれば、送気ポンプ６２から送られる気体は、電
磁開閉弁６４１から送気ノズル２３へ、また電磁開閉弁
６４１から連通管６５３および電磁開閉弁６４３を通っ
て送液ノズル２４へと流れ、送気管路６５１ａおよび送
液管路６５２ａの両者へと送気されて、両管路の乾燥を
一定時間行なうことになる。
【００３５】この参考例は、上述した第１および第２実
施例に比較して、装置の小形化および省力化を計ること
が可能である。
【００３６】なお、上述した図１においては、洗浄制御
手段６４を、内視鏡１の外部に設けたが、これを内視鏡
操作部７の内部に設けることもできる。
【００３７】また、上述した各実施例においては、送気
管路６５１または送液管路６５２の両者に同時に送気ま
たは送液を行なう例について説明したが、各電磁開閉弁
の操作により、送気管路６５１または送液管路６５２の
いずれか一方にのみ送気または送液を繰返すことも勿論
可能である。
【００３８】そして、送気管路６５１および送液管路６
５２の先端は、上述した各実施例のように、送気ノズル
２３および送液ノズル２４に接続する方式以外に、両管
路の先端を連結して、単一のノズルから送液・送気を行
なう方式を採用することも可能である。
【００３９】さらに、上述した各実施例は、術後の管路
内を洗浄する操作について説明したが、術中における観
察光学系の洗浄に対して、本装置を使用することも勿論
可能である。
【００４０】
【発明の効果】以上詳述したように本発明によれば、送
気管路、送液管路内の洗浄・除水を確実に行うことがで
きると共に、また洗浄作業等を効率良く行えるので術者
の負担を軽減することができる。BACKGROUND OF THE INVENTION [0001] [Technical Field of the Invention The present invention relates to improvements in air feeding device in a medical endoscope, more particularly washing liquid pipe and feed gas conduit feeding The present invention relates to an endoscope air / liquid supply device capable of reliably performing an air supply / liquid supply device. [0002] Electronic endoscopes are used in the duodenum, rectum, large intestine,
It is widely used for treating and examining living bodies such as the esophagus, otolaryngology, and bladder. [0003] The air supply device of the endoscope functions to remove dirt and sticky substances attached to the observation optical system at the end of the endoscope during the operation. That is, if dirt or sticky substance adheres to the observation optical system during the operation, the observation field of view of the endoscope is obstructed. After that, it is necessary to further supply the gas from the air supply path to the tip air supply nozzle to remove the liquid attached to the observation optical system. [0004] However, after the operation, the endoscope is removed from the patient's body, and then the air and liquid supply lines of the endoscope are contaminated with dirt and sticky substances that have flowed back from the body and, in some cases, in contrast. Since a drug such as an agent is attached, it is further necessary to periodically clean or disinfect the inside of the pipeline. [0005] Conventionally, as means for cleaning an air supply / liquid supply line of an endoscope, a pipe end is detached from the endoscope and a cylinder or the like of a syringe is connected to the end so that a cleaning liquid or gas is supplied into the tube. A method of repeatedly injecting and connecting the air supply line and the liquid supply line by some means, and sending the liquid to the air supply line,
In addition, a method has been employed in which cleaning is performed by supplying air to a liquid supply pipe. [0006] The present invention is to provide a However, cleaning means of the air feeding pipe of a conventional endoscope described above, both work complicated, although it is very troublesome for the operator
Cleaning of the liquid supply line and the air supply line
Was Tsu or difficulty. The present invention has been achieved as a result of studying to solve the above-mentioned problems of the conventional endoscope air / liquid supply apparatus. SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an endoscope air / liquid supply device capable of efficiently and reliably cleaning the air / liquid supply line. [0009] SUMMARY OF THE INVENTION The present invention in order to achieve the above object, a feeding mode can be sent to the duct and the liquid feed conduit feeding, the liquid feed tube and the air feed conduit in air feeding device of an endoscope having a air capable air mode the road, the feed gas
An upstream side from a communication pipe that communicates the pipe with the liquid sending pipe and
An on-off valve provided on each of the downstream sides,
Opening and closing times, characterized that you and control means for controlling the opening and closing sequence. Further, the communication pipe has an on-off valve,
The control means is provided in the air supply line and the liquid supply line.
Opening and closing of the on-off valve and the on-off valve provided on the communication pipe
It is preferable to control the opening and closing order. [0010] Then, according to the present invention,, respectively from feed communicating pipe for communicating the duct and liquid feed line upstream and downstream
Controls the opening / closing time and opening / closing order of the on / off valve
In this way, liquid supply and air supply only to the air supply line or only the liquid supply line
Cleaning and dewatering of each pipeline.
The surgeon presses for cleaning while connecting the injector and cleaning.
When you no longer need to perform complicated tasks such as holding down the button
In both cases, cleaning work is performed according to the situation such as the degree of contamination on the pipeline.
Therefore, the working efficiency is improved, and the burden on the operator can be reduced. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings. FIG. 1 is a perspective explanatory view showing an outline of an air / liquid feeding apparatus for an endoscope according to the present invention, FIG. 2 is a partially enlarged perspective view of the endoscope end portion in FIG. 1, and FIG. FIG. 4 is an explanatory diagram of a circuit / circuit connection diagram showing a first embodiment of a cleaning control means in the air / liquid feeding device for an endoscope of the present invention;
FIG. 5 is an explanatory view of a pipeline / circuit connection showing the second embodiment, and FIG.
FIG. 4 is an explanatory diagram of a pipeline / circuit connection showing the reference example. In FIG. 1, reference numeral 1 denotes an endoscope, which is a distal end portion 2 having a solid-state image pickup device (hereinafter abbreviated as CCD), an observation optical system, and the like. It is composed of a bent portion 3 that moves up and down, left and right, a guiding portion 4 and a main body portion E. The main body E has an operation knob 5 for operating the bending portion 3 and various other operation buttons and a power supply (not shown). The air supply / liquid supply line 6 is connected to the main body E. I have. Further, one end of the air / liquid supply line 6 is connected to a liquid supply bottle 63 having an air supply pump 62, and the other end is provided with an air supply nozzle 23 of the endoscope end portion 2 shown in FIG. And a liquid supply nozzle 24. In FIG. 2, reference numeral 21 denotes an observation optical system comprising a lens window containing a CCD or the like;
b is an illumination fiber, 25 is a forceps port used for biopsy or the like, and the air supply nozzle 23 and the liquid supply nozzle 24 are used.
Is used for cleaning and removing dirt and the like adhering to the surface of the observation optical system 21 during the operation. The air / liquid supply device for an endoscope according to the present invention having the above-described structure is provided with a cleaning control means 64, that is, an electromagnetic opening / closing valve and a timer circuit, in the middle of the gas / liquid supply line 6. Is provided. Therefore, the endoscope used in the present invention includes:
An entire circuit as shown in FIG. 3 is configured. That is, in FIG. 3, the operation unit 7 and the power supply unit 8 are connected to a light source unit 9, an image processing unit 10 using a CCD, and an air / liquid supply unit 11, and these light source unit 9, image processing unit The air supply / liquid supply unit 11 is connected to the entire endoscope via a connector 12 respectively. The air supply / liquid supply unit 11 is further connected to each of the electromagnetic switching valves 641, 642, 643, 644 of the cleaning control means 64 via the electromagnetic valve control unit 61 shown in FIG. 4 (dotted line). The cleaning control means 64 which is a feature of the present invention comprises:
One end of the air supply line 651 and the liquid supply line 652 is connected to the liquid supply bottle 63 provided with the air supply pump 62, and the other end is in the middle of the cleaning line connected to the air supply nozzle 23 and the liquid supply nozzle 24. In this embodiment, a plurality of solenoid on-off valves are combined and linked with a timer circuit incorporated in the solenoid valve control unit 61. That is, in FIG.
The first electromagnetic on-off valve 641 and the second electromagnetic on-off valve 642 are connected in series to the air supply line 651, and the third electromagnetic on-off valve 643 and the fourth electromagnetic on-off valve 644 are connected in series to the liquid supply line 652, respectively. The middle position between the first electromagnetic on-off valve 641 and the second electromagnetic on-off valve 642 in the air supply line 651, and the third electromagnetic on-off valve 643 and the fourth electromagnetic on-off valve 644 in the liquid supply line 652. The intermediate position is connected to the intermediate position by a communication pipe 653, and the operation of each of the solenoid on-off valves 641, 642, 643, and 644 is controlled by a timer circuit (not shown) incorporated in the solenoid valve control unit 61 as shown in the following table. It works like this. [Table 1] That is, in the intraoperative mode, the solenoid on-off valves 641, 6
When all of the valves 42, 643 and 644 are turned off, the air supply and liquid supply are stopped, and the solenoid valves 641 and 642 are turned off.
N, if the electromagnetic on / off valves 643 and 644 are turned off, only air supply to the air supply line 651 is performed, and if the electromagnetic on / off valves 641 and 642 are turned off and the electromagnetic on / off valves 643 and 644 are turned on, the liquid supply line 652 is provided. Only the liquid transfer to is performed. In the post-operative cleaning mode, if the electromagnetic on / off valve 641 is turned off and the electromagnetic on / off valves 642, 643, and 644 are turned on, the liquid in the liquid supply bottle 63 is changed from the electromagnetic on / off valve 643 to the electromagnetic on / off valve 644. To the solenoid valve 6
From 43, the liquid flows through the communication pipe 653 to the electromagnetic on-off valve 642, and the liquid is sent through both the air supply pipe 651a and the liquid feed pipe 652a, and the two pipes are washed for a certain period of time. Next, when the timer is automatically switched and the electromagnetic on-off valve 643 is turned off and the electromagnetic on-off valves 641, 642 and 644 are turned on, the gas sent from the air supply pump 62 is transmitted from the electromagnetic on-off valve 641 The gas flows to the electromagnetic on-off valve 642 and from the electromagnetic on-off valve 641 through the communication pipe 653 to the electromagnetic on-off valve 644, and the air supply line 651 a and the liquid supply line 65.
The air is sent to both of 2a, and both pipes are dried for a certain period of time. Therefore, the above-mentioned air / liquid feeding operation is
If a timer circuit is set so as to be repeated a required number of times at a fixed time, a reliable pressurization operation can be performed automatically by pressing the cleaning operation button (not shown) of the operation unit once. It will be achieved in a short time. In the first embodiment shown in FIG. 4 described above, it is necessary to adjust the pressure of the air supply pump 62 so that gas and liquid do not flow back through the communication pipe 653. By providing a non-return valve (not shown) in the, it is possible to eliminate the risk of backflow. The second embodiment shown in FIG. 5 is different from the first embodiment in that a fifth solenoid on-off valve 645 is provided for the communication pipe 653 and the operation thereof is linked with a timer circuit. This is different from the embodiment. In the second embodiment, the fifth solenoid on-off valve 645 is opened and closed according to the air supply or liquid supply mode, so that the air supply and liquid supply in the communication pipe 653 can be made more reliable. In addition, the efficiency of pipe cleaning can be further enhanced. Further, the reference example shown in FIG. 6 is different from the first and second embodiments in that the second and fourth solenoid on-off valves are omitted. That is, in FIG. 6, the cleaning control means 64
Is provided with a first electromagnetic on-off valve 641 in the air supply line 651, and a second electromagnetic on-off valve 642 in the liquid supply line 652, respectively.
An intermediate position between the first electromagnetic on-off valve 641 and the air supply nozzle 23 in the air supply line 651 and an intermediate position between the second electromagnetic on-off valve 642 and the liquid supply nozzle 24 in the liquid supply line 652 are: A third electromagnetic switching valve 643 is provided in the communication pipe 653, and the operation of each of the electromagnetic switching valves 641, 642, and 643 is controlled by a timer circuit incorporated in the electromagnetic valve control unit 61. (Not shown) and operates as follows. That is, in the intraoperative mode, if all of the solenoid valves 641, 642 and 643 are turned off,
If the air supply / liquid supply is stopped and the electromagnetic on-off valve 641 is turned on and the electromagnetic on-off valves 642 and 643 are turned off, the air supply line 6
Only the air supply to 51a is turned on, and the solenoid on-off valve 642 is turned on.
If the electromagnetic on-off valves 641 and 643 are turned off, only liquid supply to the liquid supply pipe line 652a is performed. Then, in the post-operative cleaning mode, if the electromagnetic on-off valve 641 is turned off and the electromagnetic on-off valves 642 and 643 are turned on, the liquid in the liquid feed bottle 63 will be turned on.
2 to the liquid sending nozzle 24, and from the electromagnetic on / off valve 642 to the air sending nozzle 23 through the communication pipe 653 and the electromagnetic on / off valve 643, and to the air sending line 651a and the liquid sending line 652.
The liquid is sent to both of them, and the two channels are washed for a certain period of time. Next, the timer is automatically switched, the electromagnetic on / off valve 642 is turned off, and the electromagnetic on / off valves 641 and 643 are turned off.
Is turned on, the gas sent from the air supply pump 62 flows from the electromagnetic on / off valve 641 to the air supply nozzle 23, and from the electromagnetic on / off valve 641 to the liquid supply nozzle 24 through the communication pipe 653 and the electromagnetic on / off valve 643. Then, air is supplied to both the gas supply pipe 651a and the liquid supply pipe 652a, and drying of both pipes is performed for a certain period of time. [0035] This Example, compared to the first and second embodiments described above, it is possible to measure the miniaturization and power saving of the device. Although the cleaning control means 64 is provided outside the endoscope 1 in FIG. 1, the cleaning control means 64 may be provided inside the endoscope operating section 7. Also, in each of the above-described embodiments, an example has been described in which air is supplied or liquid is supplied to both the air supply pipe 651 and the liquid supply pipe 652 at the same time. Of course, it is also possible to repeat air supply or liquid supply to only one of the path 651 and the liquid supply pipe line 652. Then, the gas supply line 651 and the liquid supply line 6
In addition to the method of connecting to the air supply nozzle 23 and the liquid supply nozzle 24 as in each of the above-described embodiments, the distal end of the pipe 52 is connected to the ends of both conduits to supply liquid / air supply from a single nozzle. May be adopted. Further, in each of the above-described embodiments, the operation of cleaning the inside of the duct after the operation has been described. However, it is of course possible to use the present apparatus for cleaning the observation optical system during the operation. As described above in detail, according to the present invention, it is possible to reliably perform cleaning and water removal in the air supply pipe and the liquid supply pipe.
In addition, since the cleaning operation can be performed efficiently , the burden on the operator can be reduced.
【図面の簡単な説明】
【図１】図１は本発明の内視鏡の送気送液装置の概略を
示す斜視説明図。
【図２】図２は図１における内視鏡先端部の部分拡大斜
視図。
【図３】図３は内視鏡操作部の回路説明図である。
【図４】図４は本発明の内視鏡の送気送液装置における
洗浄制御手段の第１実施例を示す管路・回路接続説明
図。
【図５】図５は同第２実施例を示す管路・回路接続説明
図。
【図６】図６は同参考例を示す管路・回路接続説明図で
ある。
【符号の説明】
１…内視鏡
６…送気・送液管路
７…操作部
２１…観察光学系
２３…送気ノズル
２４…送液ノズル
６１…電磁弁制御部
６４…洗浄制御手段
６４１…第１の電磁開閉弁
６４２…第２の電磁開閉弁
６４３…第３の電磁開閉弁
６４４…第４の電磁開閉弁
６４５…第５の電磁開閉弁
６５１，６５１ａ…送気管路
６５２，６５２ａ…送液管路
６５３…連通管
Ｅ…本体部BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective explanatory view schematically showing an air / liquid feeding device of an endoscope according to the present invention. FIG. 2 is a partially enlarged perspective view of the distal end portion of the endoscope in FIG. 1; FIG. 3 is an explanatory diagram of a circuit of an endoscope operation unit. FIG. 4 is an explanatory view of a pipe / circuit connection showing a first embodiment of a cleaning control means in the air / liquid feeding device for an endoscope according to the present invention. FIG. 5 is an explanatory view of a pipeline / circuit connection showing the second embodiment. FIG. 6 is an explanatory view of a pipeline / circuit connection showing the reference example. [Description of Signs] 1 ... Endoscope 6 ... Air supply / liquid supply line 7 ... Operation unit 21 ... Observation optical system 23 ... Air supply nozzle 24 ... Liquid supply nozzle 61 ... Electromagnetic valve control unit 64 ... Cleaning control means 641 ... First electromagnetic on-off valve 642... Second electromagnetic on-off valve 643... Third electromagnetic on-off valve 644... Fourth electromagnetic on-off valve 645. Liquid supply pipe 653: communication pipe E: main body
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭63−220832（ＪＰ，Ａ) 特開 昭57−209035（ＪＰ，Ａ) 特開 昭60−48726（ＪＰ，Ａ) 実開 昭58−13202（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.6，ＤＢ名) A61B 1/00 - 1/32 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-62-220832 (JP, A) JP-A-57-209035 (JP, A) JP-A-60-48726 (JP, A) 13202 (JP, U) (58) Fields investigated (Int. Cl. 6 , DB name) A61B 1/00-1/32
Claims (1)
記送気管路と前記送液管路に送気可能な送気モードを有
する内視鏡の送気送液装置において、 前記送気管路と前記送液管路を連通させる連通管から上
流側及び下流側のそれぞれに設けられる開閉弁と、 前記開閉弁の開閉時間、開閉順序を制御する制御手段と
を具備す ることを特徴とする内視鏡の送気送液装置。 ２．前記連通管は開閉弁を有し、前記制御手段は、前記
送気管路及び前記送液管路に設けられる開閉弁と前記連
通管に設けられる開閉弁の開閉時間、開閉順序を制御す
ることを特徴とする請求項１記載の内視鏡の送気送液装
置。(57) [Claims] In an air supply and liquid supply device for an endoscope having a liquid supply mode capable of supplying liquid to an air supply conduit and a liquid supply conduit, and an air supply mode capable of supplying gas to the liquid supply conduit and the liquid supply conduit, Up from the communication pipe that connects the air supply pipe and the liquid supply pipe
On-off valves provided on each of the upstream side and the downstream side, and an opening / closing time of the on-off valve, control means for controlling an opening / closing order,
An air / liquid supply device for an endoscope , comprising: 2. The communication pipe has an on-off valve, and the control means
An air supply line and an on-off valve provided in the liquid supply line and the connection;
The air / liquid supply device for an endoscope according to claim 1 , wherein the opening / closing time and the opening / closing order of an opening / closing valve provided in the passage are controlled .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8232235A JP2905152B2 (en) | 1996-09-02 | 1996-09-02 | Endoscope air / liquid supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8232235A JP2905152B2 (en) | 1996-09-02 | 1996-09-02 | Endoscope air / liquid supply device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62054246A Division JP2602822B2 (en) | 1987-03-11 | 1987-03-11 | Endoscope air / liquid supply device |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9273109A Division JPH10113331A (en) | 1997-10-06 | 1997-10-06 | Endoscope device |
| JP10084561A Division JP2905190B2 (en) | 1998-03-30 | 1998-03-30 | Endoscope air / liquid supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09164113A JPH09164113A (en) | 1997-06-24 |
| JP2905152B2 true JP2905152B2 (en) | 1999-06-14 |
Family
ID=16936100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8232235A Expired - Lifetime JP2905152B2 (en) | 1996-09-02 | 1996-09-02 | Endoscope air / liquid supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2905152B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602006001252D1 (en) * | 2005-05-25 | 2008-07-03 | Fujinon Corp | Water supply device for an endoscope |
| EP3656284A1 (en) | 2008-04-16 | 2020-05-27 | United States Endoscopy Group, Inc. | Adaptor for a water bottle of an endoscope |
| EP2473088B1 (en) | 2009-08-31 | 2017-12-13 | United States Endoscopy Group, Inc. | In-line gas adaptor for endoscopic apparatus |
| WO2011032067A1 (en) | 2009-09-14 | 2011-03-17 | Bracco Diagnostics Inc. | In-line gas adaptor for endoscopic apparatus |
| EP2830477A1 (en) | 2012-03-30 | 2015-02-04 | Bracco Diagnostics Inc. | Water bottle cap assemblies for an endoscopic device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57209035A (en) * | 1981-06-16 | 1982-12-22 | Olympus Optical Co | Air and water supply apparatus of endoscope |
| JPS5813202U (en) * | 1981-07-17 | 1983-01-27 | オリンパス光学工業株式会社 | Endoscope air and water supply device |
| JPS6048726A (en) * | 1983-08-30 | 1985-03-16 | 旭光学工業株式会社 | Air and water feeder of endoscope |
-
1996
- 1996-09-02 JP JP8232235A patent/JP2905152B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09164113A (en) | 1997-06-24 |
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