JPH05146398A - Treating device erecting apparatus for endoscope - Google Patents
Treating device erecting apparatus for endoscopeInfo
- Publication number
- JPH05146398A JPH05146398A JP3315683A JP31568391A JPH05146398A JP H05146398 A JPH05146398 A JP H05146398A JP 3315683 A JP3315683 A JP 3315683A JP 31568391 A JP31568391 A JP 31568391A JP H05146398 A JPH05146398 A JP H05146398A
- Authority
- JP
- Japan
- Prior art keywords
- treatment instrument
- treating device
- endoscope
- treatment
- elastic coating
- 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
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
- A61B1/00098—Deflecting means for inserted tools
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】この発明は、内視鏡の挿入部先端
に設けられた先端部本体から突出される処置具の突出方
向を変えるための内視鏡の処置具起上装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a treatment instrument raising apparatus for an endoscope for changing the projecting direction of a treatment instrument projected from a distal end portion main body provided at the distal end of an insertion portion of the endoscope.
【０００２】[0002]
【従来の技術】従来の内視鏡の処置具起上装置は、一般
に、金属製の処置具起上片を先端部本体に回動自在また
は摺動自在に設けて、処置具起上片に連結した操作ワイ
ヤを遠隔的に進退操作することによって処置具起上片を
動作させて処置具類の突出方向を変えるようにしてい
た。2. Description of the Related Art A conventional treatment instrument raising device for an endoscope is generally provided with a metal treatment instrument raising piece rotatably or slidably provided on a distal end portion main body so that the treatment instrument raising piece can be mounted on the treatment instrument raising piece. It has been arranged to remotely move the connected operation wire to move the treatment instrument raising piece to change the projecting direction of the treatment instrument.
【０００３】[0003]
【発明が解決しようとする課題】しかし、回動自在又は
摺動自在に先端部本体に設けられた処置具起上片と先端
部本体との間には、臨床検査時に汚物が付着しやすい。
しかもその汚物を完全に洗浄するのは非常に難しいの
で、内視鏡を介して患者間感染が発生するおそれがあっ
た。However, filth tends to adhere during the clinical examination between the treatment instrument raising piece rotatably or slidably provided on the distal end portion main body and the distal end portion main body.
Moreover, since it is very difficult to completely clean the dirt, there is a possibility that infection between patients may occur via the endoscope.
【０００４】また、操作ワイヤが挿通されたワイヤガイ
ドと操作ワイヤとの間の隙間にも汚物が進入しやすく
て、その洗浄をするのは容易ではない。そこでこの発明
は、臨床検査後の洗浄が容易で清潔な状態を容易に保つ
ことができる内視鏡の処置具起上装置を提供することを
目的とする。Further, it is not easy to clean the filth because the dirt easily enters the gap between the wire guide in which the operation wire is inserted and the operation wire. Therefore, an object of the present invention is to provide a treatment tool raising device for an endoscope, which can be easily washed after a clinical examination and can be kept in a clean state.
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
め、本発明の内視鏡の処置具起上装置は、内視鏡の挿入
部先端に設けられた先端部本体に処置具突出口を形成し
て、上記処置具突出口内を弾性部材によって被覆すると
ともに、上記弾性被覆の内側に、遠隔操作によって移動
する処置具起上片とその処置具起上片を遠隔操作によっ
て移動させるための操作ワイヤとを配置して、上記処置
具起上片を遠隔操作により移動させることによって上記
処置具突出口部の弾性被覆を変形させ、それによって上
記処置具突出口部から突出する処置具の突出方向を変え
るようにしたことを特徴とする。In order to achieve the above-mentioned object, a treatment instrument raising apparatus for an endoscope according to the present invention has a treatment instrument projecting opening in a tip portion main body provided at the tip of an insertion portion of the endoscope. To cover the inside of the treatment instrument projecting opening with an elastic member, and to move the treatment instrument raising piece that moves by remote operation and the treatment instrument raising piece by remote operation inside the elastic coating. An operating wire is arranged, and the elastic covering of the treatment instrument projecting opening is deformed by moving the treatment instrument raising piece by remote control, whereby the projection of the treatment instrument projecting from the treatment tool projecting opening. The feature is that the direction is changed.
【０００６】なお、上記先端部本体が上記弾性被覆によ
って全体的に被覆されていてもよく、また、上記弾性被
覆が電気絶縁性を有しており、上記先端部本体の表面が
すべて電気絶縁性の部材によって被覆されていてもよ
い。The tip body may be entirely covered with the elastic coating, and the elastic coating has electrical insulation so that the entire surface of the tip body is electrically insulating. It may be covered with the member.
【０００７】[0007]
【実施例】図面を参照して実施例を説明する。図１ない
し図６は本発明の実施例を示しており、図１および図３
は、図２におけるＩ−Ｉおよび III-III断面を示してお
り、図４、図５および図６は、図１におけるIV−IV、Ｖ
−ＶおよびVI−VI断面を示している。Embodiments will be described with reference to the drawings. 1 to 6 show an embodiment of the present invention, and FIGS.
Shows the I-I and III-III cross section in FIG. 2, and FIGS. 4, 5 and 6 show IV-IV, V in FIG.
-V and VI-VI cross sections are shown.
【０００８】先端部本体１は、可撓性のある内視鏡挿入
部の先端に形成されて遠隔操作によって屈曲自在な湾曲
部５の先端に連結されている。５１、５２および５３
は、湾曲部５を形成する節輪、網状管および外被チュー
ブである。The tip portion main body 1 is formed at the tip of a flexible endoscope insertion portion and is connected to the tip of a bendable bending portion 5 by remote control. 51, 52 and 53
Is a node ring, a mesh tube and a jacket tube that form the curved portion 5.
【０００９】先端部本体１は、内側のブロック２部分は
金属によって形成され、その外面は、全体に電気絶縁性
のあるゴムからなる弾性部材３によって水密に被覆され
ている。In the tip body 1, the inner block 2 is made of metal, and the outer surface of the tip body 1 is covered in a watertight manner by an elastic member 3 which is entirely made of electrically insulating rubber.
【００１０】図２および図３に示されるように、観察窓
６と照明窓７とは、側方に向けて先端部本体１に並設さ
れている。図３に示されるように、観察光学系６０と照
明光学系７０は、共に電気絶縁部材で形成された鏡枠６
１，７１に固着されており、各鏡枠６１，７１は先端部
本体１の金属ブロック２と弾性被覆３とにまたがって接
合固着されている。なお、両鏡枠６１，７１ともに口元
部分がフランジ状に突設されており、その部分と金属ブ
ロック２との間に弾性被覆３を挟み付けて、水密に固着
している。As shown in FIGS. 2 and 3, the observation window 6 and the illumination window 7 are arranged side by side on the tip end main body 1. As shown in FIG. 3, the observation optical system 60 and the illumination optical system 70 both have a lens frame 6 formed of an electrically insulating member.
The lens frames 61, 71 are bonded and fixed to the metal block 2 of the tip body 1 and the elastic coating 3 so as to be bonded to each other. The mouth portions of both the lens frames 61 and 71 are projected in a flange shape, and the elastic coating 3 is sandwiched between the portions and the metal block 2 to be watertightly fixed.
【００１１】観察光学系６０の結像位置には固体撮像素
子６２が配置され、基板６３に接続されたケーブル６４
によって画像信号などが伝送される。なお、固体撮像素
子６２に代えてイメージガイドファイババンドルによっ
て光学的に画像を伝送するようにしてもよい。A solid-state image pickup device 62 is arranged at an image forming position of the observation optical system 60, and a cable 64 connected to a substrate 63.
The image signal or the like is transmitted by the. An image may be optically transmitted by an image guide fiber bundle instead of the solid-state image sensor 62.
【００１２】照明光学系７０の内側には、照明用ライト
ガイドファイババンドル７２の射出端部が配置され、照
明光学系７０で広げられた照明光が観察範囲を照明する
ようになっている。The exit end of the illumination light guide fiber bundle 72 is arranged inside the illumination optical system 70 so that the illumination light expanded by the illumination optical system 70 illuminates the observation range.
【００１３】観察窓６と照明窓７の表面に向けて空気と
水を噴出する送気送水ノズル８，９は、先端部本体１の
弾性被覆３部分に形成されており、その奥に送気パイプ
１１と送水パイプ１２が連通接続されている。Air supply and water supply nozzles 8 and 9 for ejecting air and water toward the surfaces of the observation window 6 and the illumination window 7 are formed in the elastic coating 3 portion of the tip end main body 1, and the air supply is provided in the back. The pipe 11 and the water supply pipe 12 are connected for communication.
【００１４】生検鉗子や高周波スネアなど処置具１００
を突出させるための処置具突出口２０は、図２に示され
るように、観察窓６および照明窓７と平行に先端部本体
１に縦長に形成されている。そして、図１に示されるよ
うに、処置具突出口２０の後端部は垂直壁２１として形
成され、処置具突出口２０の前側の部分の底面は斜面２
２に形成されている。Treatment tool 100 such as biopsy forceps and high frequency snare
As shown in FIG. 2, the treatment tool projecting port 20 for projecting the is formed in the longitudinal direction in the distal end main body 1 in parallel with the observation window 6 and the illumination window 7. Then, as shown in FIG. 1, the rear end portion of the treatment instrument projecting port 20 is formed as a vertical wall 21, and the bottom surface of the front side portion of the treatment instrument projecting port 20 is a slope 2
2 is formed.
【００１５】この処置具突出口２０もその表面はすべて
弾性被覆３によって水密に被覆されており、弾性被覆３
は処置具突出口２０の底部から後方に向かう部分では筒
状に形成されている。そして、内視鏡の挿入部内に全長
にわたって挿通された処置具挿通チャンネル２５の前端
部が、弾性被覆３の筒状部３ａの後端部に、接続管２６
を介して接続されている。The surface of the treatment tool projecting port 20 is also covered with the elastic coating 3 in a watertight manner.
Is formed in a tubular shape in a portion extending from the bottom of the treatment instrument projecting port 20 toward the rear. Then, the front end portion of the treatment instrument insertion channel 25, which is inserted over the entire length in the insertion portion of the endoscope, is connected to the rear end portion of the tubular portion 3 a of the elastic cover 3 by the connecting pipe 26.
Connected through.
【００１６】したがって、挿入部の基端部に接続された
操作部（図示せず）側から処置具挿通チャンネル２５内
に処置具１００を挿入すれば、処置具１００の先端部分
が先端部本体１の処置具突出口２０から斜め前方に突出
する。Therefore, if the treatment instrument 100 is inserted into the treatment instrument insertion channel 25 from the side of the operation portion (not shown) connected to the proximal end portion of the insertion portion, the distal end portion of the treatment instrument 100 will be located at the distal end portion main body 1. From the treatment tool projecting port 20 of the above.
【００１７】図１に示されるように、先端部本体１の前
端部分の処置具突出口２０の口元近くには、処置具起上
片３０が、先端部本体１の軸線方向と平行に弾性被覆３
の内側にスライド自在に設けられている。As shown in FIG. 1, a treatment instrument raising piece 30 is elastically coated in the front end portion of the distal end portion main body 1 near the mouth of the treatment instrument protruding port 20 in parallel with the axial direction of the distal end portion main body 1. Three
It is slidably installed inside.
【００１８】処置具起上片３０は、図４に示されるよう
にその左右両端部分が、先端部本体１の金属ブロック２
に形成された一対のスリット４にスライド自在に係合し
ており、図５に示されるように、処置具突出口２０を被
覆する弾性被覆３に当接する部分は、弾性被覆３に沿っ
て半円状に形成されている。As shown in FIG. 4, the treatment tool raising piece 30 has its left and right end portions at the metal block 2 of the tip end body 1.
As shown in FIG. 5, the portion that is slidably engaged with the pair of slits 4 formed on the elastic coating 3 and that is in contact with the elastic coating 3 that covers the treatment tool projecting port 20 is half along the elastic coating 3. It is formed in a circular shape.
【００１９】また、図４および図５に示されるように、
操作部から遠隔的に進退操作される操作ワイヤ３１が、
処置具起上片３０の側部に連結されている。操作ワイヤ
３１は弾性被覆３内に、先端部本体１の外部から完全に
隔離されて配置されており、図６にも示されるように、
先端部本体１の金属ブロック２の後端に固着されたガイ
ドコイル３２内を通って、内視鏡挿入部内から操作部に
到っている。Further, as shown in FIGS. 4 and 5,
The operation wire 31 that is remotely operated from the operation unit is
It is connected to the side portion of the treatment instrument raising piece 30. The operation wire 31 is arranged inside the elastic coating 3 so as to be completely isolated from the outside of the tip body 1, and as shown in FIG.
It passes through the inside of the guide coil 32 fixed to the rear end of the metal block 2 of the distal end portion main body 1 to reach the operation portion from inside the endoscope insertion portion.
【００２０】したがって、操作部側から操作ワイヤ３１
を牽引すると、図１および図５に矢印Ａと２点鎖線で示
されるように、操作ワイヤ３１で牽引された処置具起上
片３０によって処置具突出口２０の口元近くで弾性被覆
３が押されて変形し、弾性被覆３のその変形部分によっ
て処置具１００が押されて起上し、観察視野の中心に近
づく方向に処置具１００の突出方向が変わる。Therefore, from the operating portion side, the operating wire 31
1 is pulled, the elastic coating 3 is pushed in the vicinity of the mouth of the treatment instrument projecting port 20 by the treatment instrument raising piece 30 pulled by the operation wire 31, as shown by an arrow A and a two-dot chain line in FIGS. Then, the treatment tool 100 is pushed and raised by the deformed portion of the elastic coating 3, and the projecting direction of the treatment tool 100 changes in the direction approaching the center of the observation visual field.
【００２１】逆に、操作部側から操作ワイヤ３１を押せ
ば、処置具起上片３０が先端側に移動するので、弾性被
覆３が元の状態に戻って、処置具１００の突出方向も元
の方向に戻る。On the contrary, when the operating wire 31 is pushed from the operating portion side, the treatment instrument raising piece 30 moves to the distal end side, so that the elastic coating 3 returns to the original state and the projecting direction of the treatment instrument 100 is also changed to the original state. Return to.
【００２２】なお、本発明は上記実施例に限定されるも
のではなく、例えば、処置具起上片はどのような形状お
よび方式のものを用いてもよい。また、処置具突出口２
０の底部の斜面２２の表面に、四フッ化エチレン樹脂等
のような滑りの良い材料をコーティングまたは塗布等す
れば処置具の進退操作力量を軽くすることができる。The present invention is not limited to the above embodiment, and for example, the treatment instrument raising piece may have any shape and system. In addition, the treatment tool protruding port 2
The amount of forward / backward operation force of the treatment tool can be reduced by coating or applying a material having good sliding property such as tetrafluoroethylene resin on the surface of the bottom sloped surface 22 of 0.
【００２３】[0023]
【発明の効果】本発明の内視鏡の処置具起上装置によれ
ば、処置具突出口内を弾性部材で被覆して、処置具起上
片および操作ワイヤをその弾性被覆内に設けたので、汚
物の溜まり場がなくて使用後の洗浄等も極めて容易とな
り、操作ワイヤ等には汚物が全く付着しないので、使用
後にそれらを洗浄する必要がなくて極めて清潔である。According to the treatment instrument raising apparatus for an endoscope of the present invention, the inside of the treatment instrument projecting opening is covered with the elastic member, and the treatment instrument raising piece and the operation wire are provided in the elastic coating. Since there is no filth pool, cleaning after use is extremely easy, and since no filth adheres to the operation wire or the like, there is no need to wash them after use, which is extremely clean.
【００２４】また、弾性被覆を電気絶縁性の部材で形成
して、先端部本体の表面をすべて電気絶縁性の部材で被
覆すれば、電気的なトラブルが発生しても、感電や火傷
等の事故が発生せず、電気安全性を確保することができ
る。Further, if the elastic coating is formed of an electrically insulating member and the entire surface of the tip portion main body is covered with the electrically insulating member, even if an electrical trouble occurs, electric shock, burns, etc. No accidents occur and electrical safety can be secured.
【図１】実施例の側面断面図（図２におけるＩ−Ｉ断面
図）である。FIG. 1 is a side cross-sectional view (I-I cross-sectional view in FIG. 2) of an example.
【図２】実施例の平面図である。FIG. 2 is a plan view of the embodiment.
【図３】実施例の側面断面図（図２におけるIII−III断
面図）である。FIG. 3 is a side sectional view (III-III sectional view in FIG. 2) of the embodiment.
【図４】実施例の背面断面図（図１におけるIV−IV断面
図）である。FIG. 4 is a rear cross-sectional view (IV-IV cross-sectional view in FIG. 1) of the example.
【図５】実施例の平面断面図（図１におけるＶ−Ｖ断面
図）である。FIG. 5 is a plan sectional view (VV sectional view in FIG. 1) of the example.
【図６】実施例の背面断面図（図１におけるVI−VI断面
図）である。FIG. 6 is a rear cross-sectional view (cross-sectional view taken along the line VI-VI in FIG. 1) of the example.
１ 先端部本体 ３ 弾性被覆 ２０ 処置具突出口 ３０ 処置具起上片 ３１ 操作ワイヤ １００ 処置具 DESCRIPTION OF SYMBOLS 1 Tip part main body 3 Elastic coating 20 Treatment tool protruding port 30 Treatment tool raising piece 31 Operation wire 100 Treatment tool
Claims (3)
体に処置具突出口を形成して、上記処置具突出口内を弾
性部材によって被覆するとともに、上記弾性被覆の内側
に、遠隔操作によって移動する処置具起上片とその処置
具起上片を遠隔操作によって移動させるための操作ワイ
ヤとを配置して、上記処置具起上片を遠隔操作により移
動させることによって上記処置具突出口部の弾性被覆を
変形させ、それによって上記処置具突出口部から突出す
る処置具の突出方向を変えるようにしたことを特徴とす
る内視鏡の処置具起上装置。1. A treatment tool projecting port is formed in a distal end portion main body provided at a distal end of an insertion part of an endoscope, and the inside of the treatment tool projecting port is covered with an elastic member, and the inside of the elastic coating is remote. A treatment instrument raising piece that moves by operation and an operation wire for moving the treatment instrument raising piece by remote operation are arranged, and the treatment instrument protrusion protrudes by moving the treatment instrument raising piece by remote operation. A treatment tool raising device for an endoscope, characterized in that an elastic coating of a mouth portion is deformed, thereby changing a projecting direction of the treatment tool projecting from the treatment tool projecting mouth portion.
全体的に被覆されている請求項１記載の内視鏡の処置具
起上装置。2. The treatment instrument raising device for an endoscope according to claim 1, wherein the distal end body is entirely covered with the elastic coating.
上記先端部本体の表面がすべて電気絶縁性の部材によっ
て被覆されている請求項１又は２記載の内視鏡の処置具
起上装置。3. The elastic coating has electrical insulation,
The treatment instrument raising device for an endoscope according to claim 1 or 2, wherein the entire surface of the tip portion main body is covered with an electrically insulating member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03315683A JP3124083B2 (en) | 1991-11-29 | 1991-11-29 | Endoscope treatment instrument raising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03315683A JP3124083B2 (en) | 1991-11-29 | 1991-11-29 | Endoscope treatment instrument raising device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05146398A true JPH05146398A (en) | 1993-06-15 |
| JP3124083B2 JP3124083B2 (en) | 2001-01-15 |
Family
ID=18068301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03315683A Expired - Fee Related JP3124083B2 (en) | 1991-11-29 | 1991-11-29 | Endoscope treatment instrument raising device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3124083B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021192798A (en) * | 2015-07-21 | 2021-12-23 | ジーアイ・サイエンティフィック・リミテッド・ライアビリティ・カンパニーGi Scientific, Llc | Endoscope accessory with angularly adjustable exit portal |
-
1991
- 1991-11-29 JP JP03315683A patent/JP3124083B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021192798A (en) * | 2015-07-21 | 2021-12-23 | ジーアイ・サイエンティフィック・リミテッド・ライアビリティ・カンパニーGi Scientific, Llc | Endoscope accessory with angularly adjustable exit portal |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3124083B2 (en) | 2001-01-15 |
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