JPH02114927A - Endoscope - Google Patents
EndoscopeInfo
- Publication number
- JPH02114927A JPH02114927A JP63268866A JP26886688A JPH02114927A JP H02114927 A JPH02114927 A JP H02114927A JP 63268866 A JP63268866 A JP 63268866A JP 26886688 A JP26886688 A JP 26886688A JP H02114927 A JPH02114927 A JP H02114927A
- Authority
- JP
- Japan
- Prior art keywords
- flexible tube
- flexible
- tube
- insert
- treatment instrument
- 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
- 238000003780 insertion Methods 0.000 claims abstract description 64
- 230000037431 insertion Effects 0.000 claims abstract description 64
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 description 19
- 238000005286 illumination Methods 0.000 description 11
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分＆’Ｊ−）
この発明は、生態内の観察や治療などに用いる内視鏡に
関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Applications &'J-] The present invention relates to an endoscope used for observation and treatment of living organisms.
［従来の技ｆＪ］
一般に、内視鏡としては、第４図に示すように、把持部
ｌの一端部に挿入用可撓管２を取付け、把持部１の龍端
部に処置具挿入口体３および光伝送用可撓管４を取付け
たものがある。[Conventional Technique fJ] Generally, as shown in FIG. 4, in an endoscope, a flexible tube 2 for insertion is attached to one end of the gripping part 1, and a treatment instrument insertion opening is attached to the dragon end of the gripping part 1. Some are equipped with a body 3 and a flexible tube 4 for light transmission.
たとえば、実公昭６１−５００００３号公報や実公昭５
７−１４８０１号公報に示されるものがそうである。For example, Publication No. 61-500003 and Publication No. 5 of Utility Model Publication No. 5
This is the case as shown in Japanese Patent No. 7-14801.
挿入用可撓管２は、生態内へ挿入するもので、処置具挿
通用チャン木ル、観察用光学繊維束、暇明用光学繊維束
を内蔵している。The flexible insertion tube 2 is inserted into the living body, and contains a tube for inserting a treatment instrument, an optical fiber bundle for observation, and an optical fiber bundle for viewing.
処置具挿入口体３は、挿入用可撓管２の処置具挿通用チ
ャンネルと連通している。The treatment instrument insertion port body 3 communicates with the treatment instrument insertion channel of the flexible insertion tube 2.
光伝送用可撓管４は、ユニバーサルコードとも称し、観
察用光学４ａＩｌ維束および照明用光学＃ａ維束を内蔵
している。この観察用光学繊維束および照明用光学繊維
束は、挿入用可撓管２内の観察用光学繊維束および照明
用光学繊維束を延長したものであり、末端は光源装置や
カメラに接続される。The flexible tube 4 for light transmission is also called a universal cord, and includes an observation optical fiber 4aIl fiber and an illumination optical fiber #a. The optical fiber bundle for observation and the optical fiber bundle for illumination are extensions of the optical fiber bundle for observation and the optical fiber bundle for illumination in the flexible insertion tube 2, and the ends thereof are connected to a light source device or a camera. .
［発明が解決しようとする課題Ｊ ところで、上記の内視鏡においては、把持部］。[Problem to be solved by the invention J By the way, in the above-mentioned endoscope, the grip part].
に対する光伝送用可撓管４の取付方向が処置具挿入口体
３の取付方向に対してθ度（３０度程度）ずれているが
、そうすると把持部１を始めとして全体が幅広となるた
め、ベツド上での使用などに際して挿入用可撓管２の挿
入性が悪くなることがある。The mounting direction of the light transmission flexible tube 4 is shifted by θ degrees (approximately 30 degrees) from the mounting direction of the treatment instrument insertion port body 3, but in this case, the entire width including the grip portion 1 becomes wider. When the flexible insertion tube 2 is used on a bed, the insertability of the flexible insertion tube 2 may deteriorate.
すなわち、挿入用可撓管２の挿入に伴って全体がずれ動
くとき、把持ＭＳ１が移動方向に対する抵抗となる。That is, when the entire body shifts due to insertion of the flexible insertion tube 2, the grip MS1 acts as a resistance in the direction of movement.
また、挿入用可撓管２の挿入方向によっては全木を横方
向に転がすことがあるが、その場合も把持部１が回転方
向に対する抵抗となる。Furthermore, depending on the direction in which the flexible insertion tube 2 is inserted, the whole tree may be rolled laterally, but in that case as well, the grip portion 1 acts as a resistance against the direction of rotation.
この発明は上記のような事情に考慮したもので、その目
的とするところは、挿入用可撓管の挿入に伴う把持部の
スムーズな移動や回転を可能とし、これにより挿入用可
撓管の常に良好な挿入性を確保することができる内視鏡
を提供することにある。This invention has been developed in consideration of the above-mentioned circumstances, and its purpose is to enable smooth movement and rotation of the gripping portion as the flexible tube is inserted, thereby allowing the flexible tube to be easily moved and rotated. An object of the present invention is to provide an endoscope that can always ensure good insertability.
［課題を解決するための手段］
把持部と、この把持部の一端部に取付けた挿入用可撓管
と、前記把持部の他端部に取付けられその取付方向が前
記挿入用可撓管の取付方向と平行状態をなす処置具挿入
口体および光伝送用可撓管とを備える。[Means for Solving the Problems] A gripping part, a flexible insertion tube attached to one end of the gripping part, and a flexible insertion tube attached to the other end of the gripping part, the attachment direction of which is oriented in the direction of the insertion direction. It includes a treatment instrument insertion port body and a flexible tube for light transmission that are parallel to the mounting direction.
［作用］
挿入用可撓管、処置具挿入口体、および光伝送用可撓管
の取付方向が互いに平行なので、把持部の幅を狭くする
ことができる。[Function] Since the mounting directions of the flexible insertion tube, the treatment instrument insertion port body, and the flexible light transmission tube are parallel to each other, the width of the gripping portion can be narrowed.
［実施例〕
以下、この発明の第１実施例について第１図により説明
する。[Example] Hereinafter, a first example of the present invention will be described with reference to FIG.
把持部１１の一端部にテーバ状の弾性部材１２を介して
挿入用可撓管１３を取付ける。A flexible insertion tube 13 is attached to one end of the gripping portion 11 via a tapered elastic member 12 .
把持部１１の他端部に、処置具挿入口体１４を取付ける
とともに、テーバ状の弾性部材１５を介して光伝送用可
撓管（以下、ユニバーサルコードと称す）１６を取付け
る。A treatment instrument insertion port body 14 is attached to the other end of the gripping portion 11, and a flexible tube for light transmission (hereinafter referred to as a universal cord) 16 is attached via a tapered elastic member 15.
挿入用可撓管１３は、生態内へ挿入するもので、処置具
挿通用チャンネル、観察用光学繊維束、照明用光学繊維
束を内政している。The flexible insertion tube 13 is inserted into the living body, and contains a treatment instrument insertion channel, an optical fiber bundle for observation, and an optical fiber bundle for illumination.
処置具挿入１１体１４は、挿入用可撓管１３と対応する
位置にあり、その挿入用可撓管１３の処置具挿通用チャ
ンネルと連通している。また、処置具挿入口体１４は、
全長λ１が弾性部材１５の全長ｅ２よりも十分に長い。The treatment instrument insertion 11 body 14 is located at a position corresponding to the flexible insertion tube 13 and communicates with the treatment instrument insertion channel of the flexible insertion tube 13. Further, the treatment instrument insertion port body 14 is
The total length λ1 is sufficiently longer than the total length e2 of the elastic member 15.
ユニバーサルコード１６は、観察用光学繊維束および照
明用光学繊維束を内蔵している９この観察用光学ｍ紐束
および照明用光学！ａｍ束は、挿入用可撓管１３内の観
察用光学Ｍ＆維紐束よび照明用光学繊維束を延長したも
のであり、末端はＣＣＵコネクタ１７に接続している。The universal cord 16 has 9 built-in optical fiber bundles for observation and optical fiber bundles for illumination. The am bundle is an extension of the optical M&fiber bundle for observation and the optical fiber bundle for illumination in the flexible tube 13 for insertion, and its terminal end is connected to the CCU connector 17.
ＣＣＵコネクタ１７から照明用光学繊維束内蔵の可撓管
１８を分岐し、その可撓管１８を照明用コネクタ１つに
接続する。そして、照明用コネクタ１９を光源装置３１
に着脱自在に接続する。A flexible tube 18 containing an optical fiber bundle for illumination is branched from the CCU connector 17, and the flexible tube 18 is connected to one connector for illumination. Then, connect the lighting connector 19 to the light source device 31.
Detachably connect to.
光源装置３１は、照明光を発するものである。The light source device 31 emits illumination light.
また、ＣＣＵコネクタ１７（観察用光学繊維束）をカメ
ラコントロールユニット３２に着脱自在に接続する。Further, the CCU connector 17 (optical fiber bundle for observation) is detachably connected to the camera control unit 32.
カメラコントロールユニット３２は、観察画像（内視鏡
像）を取込み、それをテレビモニタ３３で表示するもの
である。The camera control unit 32 captures an observation image (endoscope image) and displays it on the television monitor 33.
なお、弾性部材１２．１５は、挿入用可撓管１３および
ユニバーサルコード１６の座屈を防ぐためのものである
。The elastic members 12, 15 are for preventing the flexible insertion tube 13 and the universal cord 16 from buckling.
しかＬ７．て、把持部１１に対する処置具挿入口体１７
１およびユニ、バーサルコード１６の取付けにあたって
は、その両者の取付方向が挿入用可撓管１３の取付方向
と平行状態をなすようにしている。Only L7. The treatment instrument insertion opening body 17 for the gripping part 11
1, the universal cord 16, and the universal cord 16 are attached so that their attachment directions are parallel to the attachment direction of the flexible insertion tube 13.
すなわち、挿入用可撓管１３の中心軸と処置具挿入口体
１４の中心軸とが同一直線上にあり、しかも処置具挿入
口体１４とユニバーサルコード１６とが互いに平行であ
る。That is, the central axis of the flexible insertion tube 13 and the central axis of the treatment instrument insertion port body 14 are on the same straight line, and moreover, the treatment instrument insertion port body 14 and the universal cord 16 are parallel to each other.
つぎに、上記のような構成において作用を説明する。Next, the operation in the above configuration will be explained.
処置具挿入口体１４とユニバーサルコード１６が平行に
配置しであるため、把持部１の幅りを狭くすることがで
きる。Since the treatment instrument insertion port body 14 and the universal cord 16 are arranged in parallel, the width of the grip portion 1 can be made narrower.
把持部１１の幅りが狭くなれば、挿入用可撓管１３の挿
入に伴って全体をたとえばベツド上でずれ動かすとき、
その移動を抵抗なくスムーズに行なうことができる。If the width of the gripping part 11 is narrower, when the entire body is shifted on a bed, for example, as the flexible insertion tube 13 is inserted,
The movement can be performed smoothly without resistance.
また、挿入用可撓管２の挿入方向によっては全体を横方
向に転がすことがあるが、その場合の回転を抵抗なくス
ムーズに行なうことができる。Further, depending on the insertion direction of the flexible insertion tube 2, the entire body may be rolled laterally, but in that case, rotation can be performed smoothly without resistance.
このように、移動や回転がスムーズであることにより、
挿入用可撓管の常に良好な挿入性を確保することができ
る。In this way, by smooth movement and rotation,
Good insertability of the flexible insertion tube can be ensured at all times.
しかも、処置具挿入口体１４の長さλ工をユニバーサル
コード１６の取付部の弾性部材の長さ２２よりも長くし
ており、また把持部１１を持って処置具挿入口体１４を
上方に向ければ、ユニバーサルコード１６が下方に曲が
るので、ユニバーサルコード１６が処置具の挿通の正置
になることがない。Moreover, the length λ of the treatment instrument insertion port body 14 is made longer than the length 22 of the elastic member of the attachment portion of the universal cord 16, and the treatment instrument insertion port body 14 is held upward by the grip portion 11. If the universal cord 16 is turned, the universal cord 16 will bend downward, so that the universal cord 16 will not be in the correct position for insertion of the treatment tool.
さらには、挿入用可撓管１３の中心軸と処置具挿入口体
１４の中心軸とが同一直線上にあるので、処置具挿入口
体１４からチャンネルまでが一直線となり、これによっ
ても処置具の挿通性が向上する。また、チャンネルのｆ
ｆｌ （Ｉを防ぐことができる。Furthermore, since the central axis of the flexible insertion tube 13 and the central axis of the treatment instrument insertion port 14 are on the same straight line, there is a straight line from the treatment instrument insertion port 14 to the channel. Improves insertion performance. Also, the channel f
fl (I can be prevented.
第２実施例を第２図に示す、なお、図面において第１図
と同一部分には同一符号を付し、訂細な説明は省略する
。A second embodiment is shown in FIG. 2. In the drawing, the same parts as in FIG. 1 are denoted by the same reference numerals, and detailed explanation will be omitted.
ここでは、挿入用可撓管１３の中心軸と弾性部材１５お
よびユニバーサルコード１６の中心軸とを同一直線上に
するとともに、ユニバーサルコード１６内の照明用光学
繊維束と観察用光学繊維束とを分岐部２１で二方向に分
け、それぞれを可撓管２１，２２で覆って照明用コネク
タ１９およびＣＣＵコネクタ１７に接続している。Here, the central axis of the flexible insertion tube 13 and the central axes of the elastic member 15 and the universal cord 16 are aligned on the same straight line, and the optical fiber bundle for illumination and the optical fiber bundle for observation in the universal cord 16 are aligned. It is divided into two directions at a branch part 21, covered with flexible tubes 21 and 22, and connected to the lighting connector 19 and the CCU connector 17.
この場合も、挿入用可撓管１３の良好な挿入性を！！保
できることは勿論である。In this case as well, ensure good insertability of the flexible insertion tube 13! ! Of course, it can be maintained.
第３実施例を第３図（ａ）（ｂ）に示す。A third embodiment is shown in FIGS. 3(a) and 3(b).
ここでは、挿入用可撓管１３の中心軸と処置具挿入口体
１４の中心軸とを同一直線上にするとともに、ユニバー
サルコード１６の末端をＣＣＵ・光源一体コネクタ２３
に接続している。そして、ＣＣＵ・光源一体コネクタ２
３内の照明用光学繊維束および観察用光学ａ紐束を、光
源とカメラコントロールユニットとが一体の装置３４に
着脱自在に接続している。Here, the central axis of the flexible insertion tube 13 and the central axis of the treatment instrument insertion port body 14 are aligned on the same straight line, and the end of the universal cord 16 is connected to the CCU/light source integrated connector 23.
is connected to. And CCU/light source integrated connector 2
The optical fiber bundle for illumination and the bundle of optical fibers for observation in 3 are removably connected to a device 34 in which a light source and a camera control unit are integrated.
さらに、挿入用可撓管１３の先端に湾曲機構１３ａがあ
り、それを動かすための操作ダイヤル１１ａを把持部１
１に設けている。Furthermore, there is a bending mechanism 13a at the tip of the flexible insertion tube 13, and an operation dial 11a for moving the bending mechanism 13a is attached to the grip part 1.
It is set at 1.
この場合、挿入用可撓管１３の良好な挿入性をＮ保でき
ることは第１実施例および第２実施例と同じであるが、
湾曲機構１３ａがあることによって挿入性が一段と向上
するという利点がある。In this case, the ability to maintain good insertability of the flexible insertion tube 13 is the same as in the first and second embodiments, but
The presence of the bending mechanism 13a has the advantage that insertability is further improved.
なお、この発明は上記各実施例に限定されるものではな
く、要旨を変えない範囲で種々変形実施可能である。It should be noted that the present invention is not limited to the above-mentioned embodiments, and can be modified in various ways without changing the gist.
［発明の効果］
以上述べたようにこの発明によれば、把持部と、この把
持部の一端部に取付けた挿入用可撓管と、前記把持部の
他端部に取付けられその取付方向が前記挿入用可撓管の
取付方向と平行状態をなす処置具挿入口体および光伝送
用可撓管とを備えたので、挿入用可撓管の押入にＣトう
把持部のスムーズな移動や回転を可能とし、これにより
挿入用可撓管の常に良好な挿入性を確保することができ
る内視鏡を提供できる。[Effects of the Invention] As described above, according to the present invention, there is a gripping portion, a flexible insertion tube attached to one end of the gripping portion, and a flexible tube attached to the other end of the gripping portion, the attachment direction of which is fixed to the other end of the gripping portion. Since the treatment instrument insertion opening body and the optical transmission flexible tube are provided in a state parallel to the mounting direction of the flexible insertion tube, smooth movement of the C-toe gripping section and It is possible to provide an endoscope that can rotate and thereby ensure good insertability of the flexible insertion tube at all times.
第１図はこの発明の第１実施例の構成を示す図、第２図
はこの発明の第２実施例の構成を示す図、第３図（ａ）
（ｂ）はこの発明の第３実施例の構成を示すもので、（
ａ）は上方から見た図、（ｂ）は側方から見た図、第４
図は従来の内視鏡の一例の構成を示す図である。
１１・・・把持部、１３・・・挿入用可撓管５１４・・
・処置具挿入口体、１６・・・ユニバーサルコード（光
伝送用可撓管）。FIG. 1 is a diagram showing the configuration of a first embodiment of this invention, FIG. 2 is a diagram showing the configuration of a second embodiment of this invention, and FIG. 3(a)
(b) shows the configuration of the third embodiment of the present invention, (
a) is a view from above, (b) is a view from the side, 4th
The figure is a diagram showing the configuration of an example of a conventional endoscope. 11...Gripping part, 13...Flexible tube for insertion 514...
・Treatment instrument insertion port body, 16...Universal cord (flexible tube for optical transmission).
Claims (1)
と、前記把持部の他端部に取付けられその取付方向が前
記挿入用可撓管の取付方向と平行状態をなす処置具挿入
口体および光伝送用可撓管とを具備したことを特徴とす
る内視鏡。a gripping part, a flexible tube for insertion attached to one end of the gripping part, and a treatment tool attached to the other end of the gripping part, the attachment direction of which is parallel to the attachment direction of the flexible insertion tube. An endoscope comprising an insertion port body and a flexible tube for light transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63268866A JP2683386B2 (en) | 1988-10-25 | 1988-10-25 | Endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63268866A JP2683386B2 (en) | 1988-10-25 | 1988-10-25 | Endoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02114927A true JPH02114927A (en) | 1990-04-27 |
| JP2683386B2 JP2683386B2 (en) | 1997-11-26 |
Family
ID=17464351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63268866A Expired - Fee Related JP2683386B2 (en) | 1988-10-25 | 1988-10-25 | Endoscope |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2683386B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018066599A1 (en) * | 2016-10-05 | 2018-04-12 | オリンパス株式会社 | Insertion instrument |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5117263B2 (en) * | 2008-04-11 | 2013-01-16 | オリンパスメディカルシステムズ株式会社 | Endoscope system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5487684U (en) * | 1977-12-02 | 1979-06-21 |
-
1988
- 1988-10-25 JP JP63268866A patent/JP2683386B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5487684U (en) * | 1977-12-02 | 1979-06-21 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018066599A1 (en) * | 2016-10-05 | 2018-04-12 | オリンパス株式会社 | Insertion instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2683386B2 (en) | 1997-11-26 |
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