JPH0538323A - Food device for endoscope - Google Patents
Food device for endoscopeInfo
- Publication number
- JPH0538323A JPH0538323A JP3195534A JP19553491A JPH0538323A JP H0538323 A JPH0538323 A JP H0538323A JP 3195534 A JP3195534 A JP 3195534A JP 19553491 A JP19553491 A JP 19553491A JP H0538323 A JPH0538323 A JP H0538323A
- Authority
- JP
- Japan
- Prior art keywords
- endoscope
- air
- fluid
- hood
- observation window
- 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- Withdrawn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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00091—Nozzles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
- A61B1/126—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements provided with means for cleaning in-use
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Endoscopes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、内視鏡の先端部に着脱
可能な内視鏡用フード装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endoscope hood device which can be attached to and detached from a distal end portion of an endoscope.
【０００２】[0002]
【従来の技術】体腔内などに細長な挿入部を挿入するこ
とによって、体腔内の深部などを観察したり、必要に応
じて処置具を用いることにより、治療処置なども行うこ
とのできる内視鏡が医療分野において広く用いられるよ
うになった。また、工業分野においても、ジェットエン
ジン内部とかプラント内部などの検査等に内視鏡が広く
用いられている。2. Description of the Related Art An endoscopic view capable of observing a deep part in a body cavity by inserting a slender insertion portion into the body cavity and performing a medical treatment by using a treatment tool as necessary. Mirrors have become widely used in the medical field. Further, also in the industrial field, endoscopes are widely used for inspecting the inside of jet engines or the inside of plants.
【０００３】従来の医療用内視鏡における挿入部先端側
の構成を図６に示す。この医療用内視鏡の挿入部５１の
先端部５２には観察窓５３が形成され、この観察窓５３
には対物レンズ系５４が取り付けられ、この対物レンズ
系５４の焦点面に配置したイメージガイド５５の先端面
に光学像を結ぶようにしてある。FIG. 6 shows the configuration of the distal end side of the insertion part in a conventional medical endoscope. An observation window 53 is formed in the distal end portion 52 of the insertion portion 51 of the medical endoscope, and the observation window 53 is formed.
An objective lens system 54 is attached to the optical system, and an optical image is formed on the front end surface of an image guide 55 arranged on the focal plane of the objective lens system 54.
【０００４】前記観察窓５３に隣接して送気・送水チャ
ンネル５６が形成されており、この送気・送水チャンネ
ル５６の先端には洗浄用のノズル５７が取り付けられて
いる。このノズル５７の先端は屈曲されて、観察窓５３
に取り付けられる対物レンズ系５４の外表面に向くよう
に取り付けられ、このノズル５７から噴出される洗浄水
などにより、体液などで汚れた対物レンズ系５４（観察
窓５３）の外表面を洗浄できるようにしている。An air / water feed channel 56 is formed adjacent to the observation window 53, and a cleaning nozzle 57 is attached to the tip of the air / water feed channel 56. The tip of the nozzle 57 is bent so that the observation window 53
Mounted on the outer surface of the objective lens system 54, and the cleaning water ejected from the nozzle 57 can clean the outer surface of the objective lens system 54 (observation window 53) that is contaminated with body fluid or the like. I have to.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、前記従
来例のようにノズル５７が屈曲しているので、内視鏡を
使用すると、このノズル５７の屈曲部分に汚物などが溜
まり易く、使用後の消毒液などによる消毒処理でも完全
に除去、滅菌することが困難になり、この消毒処理が完
全でないと、雑菌の繁殖源になり、次に使用する場合、
感染させてしまうという問題点があった。However, since the nozzle 57 is bent as in the prior art example, when an endoscope is used, dirt and the like are likely to accumulate in the bent portion of the nozzle 57, and disinfection after use. It becomes difficult to completely remove and sterilize even with disinfection treatment using liquid etc. If this disinfection treatment is not perfect, it will become a source of propagation of various bacteria, and when used next,
There was a problem that it caused infection.
【０００６】なお、実公昭６４−６８０４号公報では先
端部に送気・送水ノズルを設けたキャップを着脱自在で
取り付けられるようにしたものを開示している。この公
報において、送気・送水ノズルは送気・送水パイプに嵌
合するように、即ち、前記従来例のノズル５７を着脱可
能とした構成となっている。このため、キャップの構造
が複雑であると共に、キャップには依然として汚物など
が溜まり易くなっている。また、このキャップの消毒も
容易ではないなどの不具合があった。In Japanese Utility Model Publication No. 64-6804, a cap having an air / water supply nozzle at its tip is detachably attached. In this publication, the air / water feeding nozzle is configured to fit into the air / water feeding pipe, that is, the nozzle 57 of the conventional example is detachable. Therefore, the structure of the cap is complicated, and dirt and the like are still likely to accumulate in the cap. In addition, there is a problem that it is not easy to disinfect the cap.
【０００７】本発明は、これらの事情に鑑みてなされた
もので、簡単な構成で観察窓の外表面を洗浄できると共
に、汚物などが溜まりにくく消毒を容易かつ確実に行う
ことが可能な内視鏡用フード装置を提供することを目的
としている。The present invention has been made in view of the above circumstances, and it is possible to clean the outer surface of the observation window with a simple structure and to easily and surely disinfect the dirt and the like, because dirt and the like are not easily collected. It is intended to provide a hood device for a mirror.
【０００８】[0008]
【課題を解決するための手段】本発明の内視鏡用フード
装置は、内視鏡の挿入部先端に着脱自在のフード本体
と、このフード本体に設けられ、内視鏡の送気・送水チ
ャンネル開口部と対向するように位置して前記送気・送
水チャンネル開口部より送出される流体を内視鏡の観察
窓へ向かうように流れを変える流体方向変換部とを備え
たものである。A hood device for an endoscope according to the present invention includes a hood main body which is detachably attached to a distal end of an insertion portion of the endoscope, and an air supply / water supply of the endoscope provided on the hood main body. And a fluid direction changing portion which is positioned so as to face the channel opening portion and changes the flow of the fluid delivered from the air / water feeding channel opening portion toward the observation window of the endoscope.
【０００９】[0009]
【作用】内視鏡の挿入部先端にフード本体を着脱自在に
装着する。内視鏡の送気・送水チャンネル開口部と対向
するような位置にフード本体に設けられた流体方向変換
部は、送気・送水チャンネル開口部より送出される流体
を内視鏡の観察窓へ向かうように流れを変える。そし
て、この流体が観察窓へ向かって送出される。[Function] The hood body is detachably attached to the tip of the insertion portion of the endoscope. The fluid direction changing part provided in the hood main body at a position facing the air / water feeding channel opening of the endoscope transfers the fluid delivered from the air / water feeding channel opening to the observation window of the endoscope. Change the flow to go. Then, this fluid is delivered toward the observation window.
【００１０】[0010]
【実施例】以下、図面を参照して本発明の実施例を説明
する。図１及び図２は本発明の第１実施例に係り、図１
は内視鏡用フード装置を内視鏡先端部に装着した状態を
示す断面図、図２は内視鏡の全体の構成を示す説明図で
ある。Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 relate to a first embodiment of the present invention.
FIG. 2 is a cross-sectional view showing a state in which the endoscope hood device is attached to the endoscope distal end portion, and FIG. 2 is an explanatory view showing the overall configuration of the endoscope.
【００１１】図２に示すように、内視鏡１は体腔内など
に挿入できるように細長で可撓性を有する挿入部２と、
この挿入部２の後端に連設された太幅の操作部３と、こ
の操作部３の後端に形成された接眼部４と、前記操作部
３の側部から延出されたライトガイドケーブル５とから
なり、このライトガイドケーブル５の端部に取り付けた
コネクタ６を図示しない光源装置に着脱自在で接続する
ことができる。As shown in FIG. 2, the endoscope 1 has an elongated and flexible insertion portion 2 so that the endoscope 1 can be inserted into a body cavity or the like.
A wide operation section 3 continuously provided at the rear end of the insertion section 2, an eyepiece section 4 formed at the rear end of the operation section 3, and a light extending from the side of the operation section 3. The guide cable 5 and the connector 6 attached to the end of the light guide cable 5 can be detachably connected to a light source device (not shown).
【００１２】前記挿入部２は、先端側から硬質の先端部
７と、湾曲自在の湾曲部８と、可撓性の可撓管部９とか
らなり、操作部３に設けた湾曲ノブ１０を操作すること
によって、湾曲部８を湾曲できるようになっている。The insertion portion 2 is composed of a hard tip portion 7, a bendable bending portion 8 and a flexible flexible tube portion 9 from the tip side, and a bending knob 10 provided on the operation portion 3 is provided. The bending portion 8 can be bent by operating the bending portion 8.
【００１３】前記ライトガイドケーブル５のコネクタ６
を光源装置に接続することによって、光源装置内の図示
しないランプの白色光がライトガイド１１の端面に照射
され、このライトガイド１１により照明光がライトガイ
ドケーブル５，操作部３，挿入部２内を伝送され、先端
部７側の前端面に設けられた照明窓１２から前方に出射
され、図示しない被検体を照明する。Connector 6 of the light guide cable 5
Is connected to the light source device, white light of a lamp (not shown) in the light source device is emitted to the end surface of the light guide 11, and the light guide 11 emits illumination light into the light guide cable 5, the operation part 3, and the insertion part 2. Is transmitted and is emitted forward from an illumination window 12 provided on the front end face on the side of the tip portion 7 to illuminate a subject (not shown).
【００１４】照明された被検体は先端部７の観察窓１３
に設けた図１に示す対物レンズ系１４によって、その焦
点面に固定されたイメージガイド１５の一方の端面に光
学像が結ばれる。このイメージガイド１５によって接眼
部４側の他方の端面に光学像が伝送される。接眼部４に
は、イメージガイド１５の他方の端面に対向して図示し
ない接眼レンズが配置され、該接眼レンズを経て肉眼に
て拡大観察することができる。The illuminated subject is an observation window 13 at the tip 7.
An optical image is formed on one end surface of an image guide 15 fixed to the focal plane of the objective lens system 14 shown in FIG. An optical image is transmitted to the other end surface on the eyepiece 4 side by the image guide 15. An eyepiece lens (not shown) is arranged in the eyepiece portion 4 so as to face the other end surface of the image guide 15, and the observation can be performed with the naked eye through the eyepiece lens for magnified observation.
【００１５】また、前記内視鏡１には、図１に示すよう
に送気あるいは送水して観察窓１３の洗浄等を行うため
の送気・送水チャンネル１６が設けられ、先端部７の前
端面のチャンネル開口部１７より洗浄水等が流出するよ
うになっている。なお、送気・送水手段としては、例え
ば図２に示すように送気・送水チャンネル１６の手元側
開口部１８を設け、ここにシリンジ等を接続して送気・
送水しても良いし、送気・送水ポンプ等を備えた流体制
御装置を接続可能なようにし、送気・送水弁を操作する
ことによって送気・送水しても良い。Further, as shown in FIG. 1, the endoscope 1 is provided with an air / water supply channel 16 for supplying air or water to wash the observation window 13, and the like. Cleaning water or the like flows out through the channel opening 17 on the surface. As the air supply / water supply means, for example, as shown in FIG. 2, a hand side opening 18 of the air supply / water supply channel 16 is provided, and a syringe or the like is connected thereto to supply air.
Water may be supplied, or a fluid control device equipped with an air supply / water supply pump or the like may be connected and air supply / water supply may be performed by operating an air supply / water supply valve.
【００１６】前記内視鏡１の先端部７には、図１に示す
ようにフード装置２０が着脱自在に装着されるようにな
っている。フード本体部２１は略円筒状に構成されてお
り、内側には前記チャンネル開口部１７を塞ぐように流
体方向変換部としての逆流防止弁２２が設けられてい
る。この逆流防止弁２２は、チャンネル開口部１７を塞
ぐように図示しない弾性部材等で付勢されており、送気
・送水チャンネル１６から流体が送られると、この流体
によって押し上げられ、チャンネル開口部１７が開くよ
うになっている。また、逆流防止弁２２に設けられたス
トッパー２３がフード本体部２１の内側面に当接するこ
とによって、逆流防止弁２２が開いた状態で所定の角度
に位置するようになっている。A hood device 20 is detachably attached to the distal end portion 7 of the endoscope 1 as shown in FIG. The hood body 21 is formed in a substantially cylindrical shape, and a backflow prevention valve 22 as a fluid direction conversion portion is provided inside the hood body 21 so as to close the channel opening 17. The check valve 22 is biased by an elastic member or the like (not shown) so as to close the channel opening 17, and when a fluid is sent from the air / water feeding channel 16, the check valve 22 is pushed up by the fluid and the channel opening 17 is opened. Is designed to open. Further, the stopper 23 provided on the check valve 22 comes into contact with the inner side surface of the hood body 21, so that the check valve 22 is positioned at a predetermined angle in the open state.
【００１７】次に、本実施例の作用について説明する。
内視鏡１の先端部７にフード装置２０を装着し、挿入部
２を被検体に挿入して観察を行う。送気・送水を行う場
合には、送気・送水チャンネル１６より流体を送出す
る。このとき、逆流防止弁２２は流体によって押し上げ
られ、図１の破線で示すような状態で開く。そして、送
気・送水チャンネル１６から送られた流体は、逆流防止
弁２２によって向きが変えられ、観察窓１３の方向へ流
れる。これにより、観察窓１３に向かって送気あるいは
送水がなされ、観察窓１３の外表面に付着などしている
付着物を除去することができる。即ち、従来のノズルを
経て流体を噴出した場合と同様に、観察窓１３の外表
面、つまり対物レンズ系１４の外表面の洗浄が行われ
る。Next, the operation of this embodiment will be described.
The hood device 20 is attached to the distal end portion 7 of the endoscope 1, and the insertion portion 2 is inserted into the subject for observation. When performing air / water supply, the fluid is sent out from the air / water supply channel 16. At this time, the check valve 22 is pushed up by the fluid and opens in the state shown by the broken line in FIG. Then, the direction of the fluid sent from the air / water feeding channel 16 is changed by the check valve 22 and flows toward the observation window 13. As a result, air or water is supplied toward the observation window 13, and it is possible to remove deposits attached to the outer surface of the observation window 13. That is, the outer surface of the observation window 13, that is, the outer surface of the objective lens system 14 is cleaned as in the case where the fluid is ejected through the conventional nozzle.
【００１８】このようにして、患部などの観察に使用し
た後、内視鏡１を消毒する場合には、フード装置２０を
内視鏡１から取り外すことにより、内視鏡１は屈曲した
ノズル部分を有しないので確実に消毒することができ
る。また、フード装置２０も円筒形状の簡単な構造であ
るので、確実に消毒することができる。これらの操作は
簡単に行うことができる。なお、フード装置２０は、使
い捨てにすることもできる。In this way, when the endoscope 1 is disinfected after being used for observing an affected part or the like, the hood device 20 is detached from the endoscope 1 so that the endoscope 1 is bent at the bent nozzle portion. Since it does not have, it can be surely disinfected. Further, since the hood device 20 also has a simple cylindrical structure, it can be surely sterilized. These operations can be easily performed. The hood device 20 may be disposable.
【００１９】従って、汚物などが溜まることなく簡単な
作業で確実に消毒を行うことができる。これと共に、通
常のノズルを経て流体を噴出したものと同様の観察窓の
洗浄機能を簡単な構成で備えることができる。また、送
気・送水チャンネル１６より流体が送出されないとき
は、逆流防止弁２２によってチャンネル開口部１７は塞
がれているため、送気・送水チャンネル１６内に汚物等
が流入することを防止できる。Therefore, sterilization can be surely performed by a simple operation without collecting dirt and the like. Along with this, the observation window cleaning function similar to that of a case where the fluid is ejected through a normal nozzle can be provided with a simple configuration. Further, when the fluid is not delivered from the air / water channel 16, the backflow prevention valve 22 closes the channel opening 17, so that it is possible to prevent dirt and the like from flowing into the air / water channel 16. ..
【００２０】図３は本発明の第２実施例に係る内視鏡用
フード装置を内視鏡先端部に装着した状態を示す断面図
である。FIG. 3 is a sectional view showing a state in which the endoscope hood device according to the second embodiment of the present invention is attached to the distal end portion of the endoscope.
【００２１】第２実施例のフード装置３０は、内側にフ
ード保持用の突起部３１を有している。この突起部３１
が内視鏡先端部７に設けられたフード保持溝３２に係入
してフード本体が保持され、着脱自在に装着されるよう
になっている。フード装置３０の先端側には、内視鏡に
よる観察等が行えるように開口部３３が設けられてい
る。さらに、フード装置３０には、流体方向変換部とし
て送気・送水チャンネル１６のチャンネル開口部１７と
対向する位置に洗浄壁３４が設けられている。The hood device 30 of the second embodiment has a protrusion 31 for holding the hood inside. This protrusion 31
Is engaged with a hood holding groove 32 provided in the endoscope distal end portion 7, the hood main body is held, and is detachably mounted. An opening 33 is provided on the tip side of the hood device 30 so that observation with an endoscope can be performed. Further, the hood device 30 is provided with a washing wall 34 as a fluid direction changing portion at a position facing the channel opening 17 of the air / water feeding channel 16.
【００２２】本実施例では、フード装置３０は内視鏡先
端部７のフード保持溝３２に突起部３１が係入すること
によって装着、固定される。送気あるいは送水を行うと
きには、送気・送水チャンネル１６を介して流体が導か
れ、チャンネル開口部１７より噴出する。噴出した流体
は洗浄壁３４にぶつかって観察窓１３に向かって流れ
る。これにより、観察窓１３の外表面の洗浄が行われ
る。In the present embodiment, the hood device 30 is mounted and fixed by inserting the protrusion 31 into the hood holding groove 32 of the endoscope distal end portion 7. When performing air supply or water supply, the fluid is guided through the air supply / water supply channel 16 and ejected from the channel opening 17. The ejected fluid collides with the cleaning wall 34 and flows toward the observation window 13. As a result, the outer surface of the observation window 13 is cleaned.
【００２３】患部などの観察に使用した後に内視鏡１を
消毒する場合には、第１実施例と同様にフード装置３０
を内視鏡１から取り外し、容易にかつ確実に消毒するこ
とができる。フード装置３０は突起部３１、開口部３３
等を有するだけの簡単な構造であるので、第１実施例と
比較しても消毒、滅菌性に優れている。When the endoscope 1 is disinfected after being used for observing an affected area, the hood device 30 is used as in the first embodiment.
Can be removed from the endoscope 1 and sterilized easily and surely. The hood device 30 has a protrusion 31 and an opening 33.
Since it has a simple structure including only the above, it is excellent in disinfection and sterilization properties as compared with the first embodiment.
【００２４】従って、第１実施例と同様に、簡単な構成
により通常のノズルを経て流体を噴出したものと同様の
観察窓の洗浄機能を有すると共に、汚物などが溜まるこ
となく簡単な作業で消毒処理を完全に行うことができ
る。Therefore, similar to the first embodiment, it has the same cleaning function of the observation window as the one in which the fluid is ejected through the normal nozzle with a simple structure, and the disinfection is carried out by a simple operation without collecting dirt and the like. The processing can be done completely.
【００２５】図４は本発明の第３実施例に係る内視鏡用
フード装置の構成を示す断面図である。FIG. 4 is a sectional view showing the construction of the endoscope hood device according to the third embodiment of the present invention.
【００２６】第３実施例は第２実施例の変形例である。
フード装置３５は、内視鏡先端部７のフード保持溝３２
に係入するフード保持用の突起部３１と、内視鏡による
観察等が行えるように先端側に開口部３３が設けられて
いる。本実施例では、第２実施例と異なり、曲面状の洗
浄壁３６が設けられている。この洗浄壁３６にチャンネ
ル開口部１７より噴出した流体がぶつかり、第２実施例
と同様に観察窓１３に向かって流れ、観察窓１３の外表
面の洗浄が行われる。その他の構成、作用及び効果は第
２実施例と同様である。The third embodiment is a modification of the second embodiment.
The hood device 35 includes the hood holding groove 32 of the endoscope distal end portion 7.
A hood-holding protrusion 31 that engages with the hood and an opening 33 on the distal end side are provided so that observation with an endoscope can be performed. In the present embodiment, unlike the second embodiment, a curved cleaning wall 36 is provided. The fluid ejected from the channel opening 17 collides with the cleaning wall 36 and flows toward the observation window 13 as in the second embodiment, and the outer surface of the observation window 13 is cleaned. Other configurations, operations and effects are similar to those of the second embodiment.
【００２７】図５は本発明の第４実施例に係る内視鏡用
フード装置を内視鏡先端部に装着した状態を示す断面図
である。FIG. 5 is a cross-sectional view showing a state in which the endoscope hood device according to the fourth embodiment of the present invention is attached to the distal end portion of the endoscope.
【００２８】第４実施例のフード装置４０は、第２実施
例と同様に内側にフード保持用の突起部４１を有してお
り、この突起部４１が内視鏡先端部７に設けられたフー
ド保持溝４２に係入し、着脱自在に装着されるようにな
っている。また、フード装置４０の先端側には、内視鏡
による観察等が行えるように開口部４３が設けられてい
る。さらに、フード装置４０には、送気・送水チャンネ
ル１６のチャンネル開口部１７と対向して一方の端部が
位置するようにノズル４４が設けられている。このノズ
ル４４の他方の端部は、観察窓１３に向かって開口する
ように位置している。The hood device 40 of the fourth embodiment has a protrusion 41 for holding the hood on the inside similarly to the second embodiment, and the protrusion 41 is provided on the distal end portion 7 of the endoscope. The hood holding groove 42 is engaged and detachably mounted. Further, an opening 43 is provided on the tip side of the hood device 40 so that observation with an endoscope can be performed. Further, the hood device 40 is provided with a nozzle 44 so that one end thereof is located so as to face the channel opening 17 of the air / water feeding channel 16. The other end of the nozzle 44 is positioned so as to open toward the observation window 13.
【００２９】本実施例では、第２実施例と同様にフード
装置４０の突起部４１がフード保持溝４２に係入するこ
とによって内視鏡先端部７に装着、固定される。送気あ
るいは送水を行うときには、送気・送水チャンネル１６
を介して流体が導かれ、チャンネル開口部１７より噴出
する。噴出した流体は対向するノズル４４内に導かれ、
ノズル４４の他端より観察窓１３に向かって噴出する。
これにより、観察窓１３の外表面の洗浄が行われる。な
お、ノズル４４の両端は開いているため、汚物等は溜ま
りにくくなっている。In this embodiment, similarly to the second embodiment, the projection 41 of the hood device 40 is fitted into the hood holding groove 42 so that it is mounted and fixed to the endoscope distal end portion 7. When supplying air or water, the air / water channel 16
The fluid is guided via the and is ejected from the channel opening 17. The ejected fluid is guided into the opposing nozzle 44,
It jets from the other end of the nozzle 44 toward the observation window 13.
As a result, the outer surface of the observation window 13 is cleaned. It should be noted that since both ends of the nozzle 44 are open, dirt and the like are less likely to collect.
【００３０】従って、第２実施例と同様に、簡単な構成
により通常のノズルを経て流体を噴出したものと同様の
観察窓の洗浄機能を有すると共に、汚物などが溜まるこ
となく簡単な作業で消毒処理を完全に行うことができ
る。Therefore, similar to the second embodiment, it has the same cleaning function of the observation window as the one in which the fluid is ejected through the normal nozzle with a simple structure, and the disinfection is carried out by a simple work without collecting dirt and the like. The processing can be done completely.
【００３１】[0031]
【発明の効果】以上説明したように本発明によれば、簡
単な構成で観察窓の外表面を洗浄できると共に、汚物な
どが溜まりにくく消毒を容易かつ確実に行うことが可能
となる効果がある。As described above, according to the present invention, it is possible to clean the outer surface of the observation window with a simple structure and to easily and surely disinfect, because dirt and the like are hard to collect. ..
【図１】本発明の第１実施例に係る内視鏡用フード装置
を内視鏡先端部に装着した状態を示す断面図FIG. 1 is a cross-sectional view showing a state in which a hood device for an endoscope according to a first embodiment of the present invention is attached to a distal end portion of the endoscope.
【図２】内視鏡全体の構成を示す説明図FIG. 2 is an explanatory diagram showing the configuration of the entire endoscope.
【図３】本発明の第２実施例に係る内視鏡用フード装置
を内視鏡先端部に装着した状態を示す断面図FIG. 3 is a cross-sectional view showing a state in which the endoscope hood device according to the second embodiment of the present invention is attached to the endoscope distal end portion.
【図４】本発明の第３実施例に係る内視鏡用フード装置
の構成を示す断面図FIG. 4 is a sectional view showing the configuration of an endoscope hood device according to a third embodiment of the present invention.
【図５】本発明の第４実施例に係る内視鏡用フード装置
を内視鏡先端部に装着した状態を示す断面図FIG. 5 is a cross-sectional view showing a state in which the endoscope hood device according to the fourth embodiment of the present invention is attached to the endoscope distal end portion.
【図６】従来の内視鏡における挿入部先端側の構成例を
示す断面図FIG. 6 is a cross-sectional view showing a configuration example of a distal end side of an insertion portion in a conventional endoscope
７…先端部 １３…観察窓 １６…送気・送水チャンネル １７…チャンネル開口部 ２０，３０，３５，４０…フード装置 ２１…フード本体部 ２２…逆流防止弁 ３４，３６…洗浄壁 ４４…ノズル 7 ... Tip part 13 ... Observation window 16 ... Air / water supply channel 17 ... Channel opening 20, 30, 35, 40 ... Hood device 21 ... Hood main body 22 ... Backflow prevention valve 34, 36 ... Washing wall 44 ... Nozzle
───────────────────────────────────────────────────── フロントページの続き (72)発明者 大曲 泰彦 東京都渋谷区幡ケ谷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 中村 一郎 東京都渋谷区幡ケ谷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 鷲塚 信彦 東京都渋谷区幡ケ谷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 大明 義直 東京都渋谷区幡ケ谷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 (72) Inventor Yasuhiko Omagari 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Co., Ltd. (72) Ichiro Nakamura 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Nobuhiko Washizuka 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Yoshinao Daimei 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd.
Claims (1)
本体と、 このフード本体に設けられ、内視鏡の送気・送水チャン
ネル開口部と対向するように位置して前記送気・送水チ
ャンネル開口部より送出される流体を内視鏡の観察窓へ
向かうように流れを変える流体方向変換部とを備えたこ
とを特徴とする内視鏡用フード装置。1. A hood main body which is detachably attached to a distal end of an insertion portion of an endoscope, and a hood main body provided on the hood main body and positioned so as to face an air / water supply channel opening portion of the endoscope. A hood device for an endoscope, comprising: a fluid direction conversion unit that changes a flow of a fluid delivered from a water supply channel opening portion toward an observation window of the endoscope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3195534A JPH0538323A (en) | 1991-08-05 | 1991-08-05 | Food device for endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3195534A JPH0538323A (en) | 1991-08-05 | 1991-08-05 | Food device for endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0538323A true JPH0538323A (en) | 1993-02-19 |
Family
ID=16342694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3195534A Withdrawn JPH0538323A (en) | 1991-08-05 | 1991-08-05 | Food device for endoscope |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0538323A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09238893A (en) * | 1996-03-04 | 1997-09-16 | Olympus Optical Co Ltd | Endoscope |
| JP2012254153A (en) * | 2011-06-08 | 2012-12-27 | Fujifilm Corp | Fluid injection nozzle unit for endoscope and endoscope |
| JP2012254188A (en) * | 2011-06-09 | 2012-12-27 | Fujifilm Corp | Rigid-endoscope oversheath |
| WO2015047980A1 (en) * | 2013-09-26 | 2015-04-02 | GYRUS ACMI, INC. (d/b/a OLYMPUS SURGICAL TECHNOLOGIES AMERICA) | Endoscope sheath deflection devices |
| US9345386B1 (en) | 2014-11-24 | 2016-05-24 | Gyrus Acmi, Inc. | Adjustable endoscope sheath |
| US9585547B2 (en) | 2014-11-24 | 2017-03-07 | Gyrus Acmi, Inc. | Adjustable endoscope sheath |
| US9782525B2 (en) | 2015-01-08 | 2017-10-10 | Gyrus Acmi, Inc. | Multi-way valve for a medical instrument |
| CN113413116A (en) * | 2021-05-17 | 2021-09-21 | 杭州莱恩瑟特医疗技术有限公司 | Protective cover, distal end portion, and electronic endoscope |
| CN113499024A (en) * | 2021-09-09 | 2021-10-15 | 上海执中医疗技术有限公司 | Deflector, deflection system and lens holding system |
-
1991
- 1991-08-05 JP JP3195534A patent/JPH0538323A/en not_active Withdrawn
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09238893A (en) * | 1996-03-04 | 1997-09-16 | Olympus Optical Co Ltd | Endoscope |
| JP2012254153A (en) * | 2011-06-08 | 2012-12-27 | Fujifilm Corp | Fluid injection nozzle unit for endoscope and endoscope |
| JP2012254188A (en) * | 2011-06-09 | 2012-12-27 | Fujifilm Corp | Rigid-endoscope oversheath |
| US10631717B2 (en) | 2013-09-26 | 2020-04-28 | Gyrus Acmi, Inc. | Endoscope sheath arm |
| WO2015047980A1 (en) * | 2013-09-26 | 2015-04-02 | GYRUS ACMI, INC. (d/b/a OLYMPUS SURGICAL TECHNOLOGIES AMERICA) | Endoscope sheath deflection devices |
| US9332894B2 (en) | 2013-09-26 | 2016-05-10 | Gyrus Acmi, Inc. | Endoscope system including a resilient reservoir |
| US11266303B2 (en) | 2013-09-26 | 2022-03-08 | Gyrus Acmi, Inc. | Oblong endoscope sheath |
| US10799097B2 (en) | 2013-09-26 | 2020-10-13 | Gyrus Acmi, Inc. | Endoscope system including a resilient reservoir |
| US10022040B2 (en) | 2013-09-26 | 2018-07-17 | Gyrus Acmi, Inc. | Endoscope system including a resilient reservoir |
| US10028644B2 (en) | 2013-09-26 | 2018-07-24 | Gyrus Acmi, Inc. | Oblong endoscope sheath |
| US10098524B2 (en) | 2013-09-26 | 2018-10-16 | Gyrus Acmi, Inc. | Endoscope sheath arm |
| US10478052B2 (en) | 2013-09-26 | 2019-11-19 | Gyrus Acmi, Inc. | Oblong endoscope sheath |
| US9345386B1 (en) | 2014-11-24 | 2016-05-24 | Gyrus Acmi, Inc. | Adjustable endoscope sheath |
| US10918263B2 (en) | 2014-11-24 | 2021-02-16 | Gyrus Acmi, Inc. | Adjustable endoscope sheath |
| US9585547B2 (en) | 2014-11-24 | 2017-03-07 | Gyrus Acmi, Inc. | Adjustable endoscope sheath |
| US9782525B2 (en) | 2015-01-08 | 2017-10-10 | Gyrus Acmi, Inc. | Multi-way valve for a medical instrument |
| US10987453B2 (en) | 2015-01-08 | 2021-04-27 | Gyros Acmi, Inc. | Multi-way valve for a medical instrument |
| CN113413116A (en) * | 2021-05-17 | 2021-09-21 | 杭州莱恩瑟特医疗技术有限公司 | Protective cover, distal end portion, and electronic endoscope |
| CN113413116B (en) * | 2021-05-17 | 2022-04-26 | 杭州莱恩瑟特医疗技术有限公司 | Tip portion and electronic endoscope |
| CN113499024A (en) * | 2021-09-09 | 2021-10-15 | 上海执中医疗技术有限公司 | Deflector, deflection system and lens holding system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19981112 |