JP2683386B2 - Endoscope - Google Patents
EndoscopeInfo
- Publication number
- JP2683386B2 JP2683386B2 JP63268866A JP26886688A JP2683386B2 JP 2683386 B2 JP2683386 B2 JP 2683386B2 JP 63268866 A JP63268866 A JP 63268866A JP 26886688 A JP26886688 A JP 26886688A JP 2683386 B2 JP2683386 B2 JP 2683386B2
- Authority
- JP
- Japan
- Prior art keywords
- flexible tube
- grip portion
- treatment instrument
- optical fiber
- fiber bundle
- 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 - Fee Related
Links
Landscapes
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野） この発明は、生体内の観察や治療などに用いる内視鏡
に関する。TECHNICAL FIELD The present invention relates to an endoscope used for in-vivo observation and treatment.
［従来の技術］ 一般に、内視鏡としては、第４図に示すように、把持
部１の一端部に挿入用可撓管２を取付け、把持部１の他
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。[Prior Art] Generally, as an endoscope, as shown in FIG. 4, a flexible tube 2 for insertion is attached to one end of a grip 1 and a treatment instrument insertion opening is attached to the other end of the grip 1. 3 and a flexible tube 4 for optical transmission are attached.
たとえば、実公昭61−500003号公報や実公昭57−1480
1号公報に示されるものがそうである。For example, Japanese Utility Model Publication No. 61-500003 and Japanese Utility Model Publication No. 57-1480.
This is the case as shown in Japanese Patent Publication No. 1.
挿入用可撓管２は、生体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
束を内蔵している。The flexible tube 2 for insertion is to be inserted into a living body, and contains a channel for inserting a treatment tool, an optical fiber bundle for observation, and an optical fiber bundle for illumination.
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 insertion flexible tube 2.
光伝送用可撓管４は、ユニバーサルコードとも称し、
観察用光学繊維束および照明用光学繊維束を内蔵してい
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 optical transmission is also called a universal cord,
It contains an optical fiber bundle for observation and an optical fiber bundle for illumination. The optical fiber bundle for observation and the optical fiber bundle for illumination are
The optical fiber bundle for observation and the optical fiber bundle for illumination in the flexible tube for insertion 2 are extended, and the end is connected to a light source device or a camera.
［発明が解決しようとする課題］ ところで、上記の内視鏡においては、把持部１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、ベッ
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。[Problems to be Solved by the Invention] By the way, in the endoscope described above, the mounting direction of the flexible tube 4 for optical transmission to the grip portion 1 is θ degrees (30 degrees) with respect to the mounting direction of the treatment instrument insertion port body 3. However, since the gripping portion 1 and the whole are widened, the insertability of the flexible tube 2 for insertion may deteriorate when used on a bed.
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、把持部１が移動方向に対する抵抗となる。That is, when the entire flexible tube 2 for insertion is displaced with the insertion of the flexible tube 2 for insertion, the grip portion 1 becomes a resistance against the moving direction.
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、その場合も把持部１が回転
方向に対する抵抗となる。In addition, depending on the insertion direction of the insertion flexible tube 2, the entire body may be rolled in the lateral direction, but in that case also, the gripping portion 1 becomes a resistance against the rotation direction.
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。The present invention has been made in consideration of the above circumstances, and an object of the present invention is to enable smooth movement and rotation of the gripping portion accompanying the insertion of the insertion flexible tube, whereby the insertion flexible tube It 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、この把持部の一端面に取付けた挿入用可撓
管と、前記把持部の他端面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、挿入用可撓管、
処置具挿入口体、および光伝送用可撓管を前記把持部の
幅より内側に位置させた。[Means for Solving the Problems] A grip portion, a flexible tube for insertion mounted on one end surface of the grip portion, and a mounting direction of the flexible tube for insertion mounted on the other end surface of the grip portion. A flexible tube for insertion, which comprises a treatment instrument insertion port and a flexible tube for optical transmission that are parallel to the direction,
The treatment instrument insertion port and the flexible tube for optical transmission were positioned inside the width of the grip.
［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。しかも、挿入用可撓管、処置具挿入口
体、および光伝送用可撓管が把持部の幅より内側に位置
するので、把持部の幅方向と直交する方向の動きにおい
て引っかかりが生じない。[Operation] Since the mounting directions of the flexible tube for insertion, the treatment instrument insertion port, and the flexible tube for optical transmission are parallel to each other, the width of the grip portion can be narrowed. Moreover, since the insertion flexible tube, the treatment instrument insertion port body, and the light transmission flexible tube are located inside the width of the grip portion, there is no catch in the movement of the grip portion in the direction orthogonal to the width direction.
［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。[Embodiment] Hereinafter, a first embodiment of the present invention will be described with reference to FIG.
把持部11の一端面にテーパ状の弾性部材12を介して挿
入用可撓管13を取付ける。この場合、弾性部材12が幅Ｌ
内に収まるように取付けを行ない、挿入用可撓管13を把
持部11の幅Ｌより内側に位置させる。A flexible tube (13) for insertion is attached to one end surface of the grip section (11) via a tapered elastic member (12). In this case, the elastic member 12 has a width L
The flexible tube for insertion 13 is positioned inside the width L of the grip portion 11 by mounting the flexible tube for insertion 13 so that the flexible tube for insertion 13 fits inside.
把持部11の他端面に、処置具挿入口体14を取付けると
ともに、テーパ状の弾性部材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。こ
の場合、処置具挿入口体14および弾性部材15が幅Ｌ内に
収まるように取付けを行ない、処理具挿入口体14および
光伝送用可撓管16を把持部11の幅Ｌより内側に位置させ
る。A treatment instrument insertion port body (14) is attached to the other end surface of the grip portion (11), and a flexible tube for optical transmission (hereinafter, referred to as a universal cord) (16) is attached via a tapered elastic member (15). In this case, the treatment instrument insertion port body 14 and the elastic member 15 are mounted so as to fit within the width L, and the treatment instrument insertion port body 14 and the flexible tube 16 for optical transmission are positioned inside the width L of the grip portion 11. Let
挿入用可撓管13は、生体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
束を内蔵している。The flexible tube 13 for insertion is to be inserted into a living body, and contains a channel for inserting a treatment tool, an optical fiber bundle for observation, and an optical fiber bundle for illumination.
処置具挿入口体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l1が
弾性部材15の全長l2よりも十分に長い。The treatment instrument insertion port body 14 is located at a position corresponding to the insertion flexible tube 13 and communicates with the treatment instrument insertion channel of the insertion flexible tube 13. The total length l 1 of the treatment instrument insertion port 14 is sufficiently longer than the total length l 2 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。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13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CCUコネクタ17に接続している。The universal cord 16 contains the optical fiber bundle for observation and the optical fiber bundle for illumination. The optical fiber bundle for observation and the optical fiber bundle for illumination are obtained by extending the optical fiber bundle for observation and the optical fiber bundle for illumination in the flexible tube 13 for insertion, and the ends are 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19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。Flexible tube 18 with built-in optical fiber bundle for illumination from CCU connector 17
And the flexible tube 18 is connected to the lighting connector 19. Then, the illumination connector 19 is detachably connected to the light source device 31.
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。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 takes in an observation image (endoscopic 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 and 15 are for preventing buckling of the insertion flexible tube 13 and the universal cord 16.
しかして、把持部11に対する処置具挿入口体14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。Thus, when the treatment instrument insertion port body 14 and the universal cord 16 are attached to the grip portion 11, the attachment directions of the both are parallel to the attachment direction of the insertion flexible 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 insertion flexible tube 13 and the treatment instrument insertion port body
The central axis of 14 is on the same straight line, and 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 of the above configuration will be described.
処置具挿入口体14とユニバーサルコード16が平行に配
置してあるため、把持部11の幅Ｌ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 L of the grip portion 11 can be narrowed.
把持部11の幅Ｌ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ッ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 L of the grip portion 11 is narrowed, when the entire flexible tube 13 for insertion is displaced and moved on the bed, for example, the movement can be smoothly performed without resistance.
また、挿入用可撓管13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。The entire flexible tube 13 may be rolled laterally depending on the insertion direction, but in that case, rotation can be smoothly performed without resistance.
とくに、挿入用可撓管13、処置具挿入口体14、および
光伝送用可撓管16が把持部11の幅Ｌより内側に位置して
幅Ｌより外への突出がないので、挿入用可撓管13の挿入
に伴うベッド上での動き（把持部11の幅Ｌ方向と直交す
る方向の動き）において引っかかりが生じず、スムーズ
な動きが可能である。回転操作も同様にスムーズであ
る。In particular, since the flexible tube 13 for insertion, the treatment instrument insertion port body 14, and the flexible tube 16 for optical transmission are located inside the width L of the grip portion 11 and do not project outside the width L, The movement on the bed accompanying the insertion of the flexible tube 13 (the movement in the direction orthogonal to the width L direction of the grip 11) does not occur, and smooth movement is possible. The rotation operation is also smooth.
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。As described above, since the movement and the rotation are smooth, it is possible to always ensure good insertability of the insertion flexible tube.
しかも、処置具挿入口体14の長さl1をユニバーサルコ
ード16の取付部の弾性部材の長さl2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が処置具の挿通の邪魔になることが
ない。Moreover, the length l 1 of the treatment instrument insertion port body 14 is made longer than the length l 2 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. The universal cord 16 bends downward, the universal cord 16 does not interfere with the 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、チャンネルの損傷を
防ぐことができる。Further, the central axis of the flexible tube 13 for insertion and the treatment instrument insertion port body
Since the center axis of 14 is on the same straight line,
A straight line extends from 14 to the channel, which also improves the insertability of the treatment tool. Also, damage to the channel 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、詳細な説明は省略す
る。The second embodiment is shown in FIG. In the drawings, the first
The same reference numerals are given to the same parts as those in the drawings, and the detailed description 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 tube 13 for insertion and the central axis of the elastic member 15 and the universal cord 16 are collinear, and the optical fiber bundle for illumination and the optical fiber bundle for observation in the universal cord 16 are It is divided into two directions by a branch part 21, and each is covered with flexible tubes 21 and 22, and a lighting connector 19 and a CCU.
It is connected to connector 17.
この場合も、挿入用可撓管13の良好な挿入性を確保で
きることは勿論である。In this case as well, it is of course possible to ensure good insertability of the insertion flexible tube 13.
なお、この第２実施例では、挿入用可撓管13の中心軸
と処置具挿入口体14の中心軸とが同一線上にないため、
処置具の挿入ができないのではとの心配が生じるが、一
般的に処置具には、硬質の挿入部を持つものと、柔軟な
挿入部を持つものとがあり、硬質の挿入部を持つ処置具
については挿通が困難となるものの、軟質の挿入部を持
つものについては把持部11内に設けられる湾曲パイプを
通しての挿入が可能であり、そのような湾曲パイプの採
用については通常の内視鏡において周知の構成となって
いる。In the second embodiment, since the central axis of the flexible tube 13 for insertion and the central axis of the treatment instrument insertion port 14 are not on the same line,
There is a concern that the treatment tool cannot be inserted, but in general, there are treatment tools that have a hard insertion portion and those that have a flexible insertion portion. Although it is difficult to insert a tool, a tool having a soft insertion section can be inserted through a curved pipe provided in the grip portion 11, and a normal endoscope is used for adopting such a curved pipe. The configuration is well known in.
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23内の照明用
光学繊維束および観察用光学繊維束を、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 tube 13 for insertion and the treatment instrument insertion port body
The central axis of 14 is aligned with the same straight line, and the end of the universal cord 16 is connected to the CCU / light source integrated connector 23. The illumination optical fiber bundle and the observation optical fiber bundle in the CCU / light source integrated connector 23 are detachably connected to the device 34 in which the light source and the 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11に
設けている。Further, a bending mechanism 13a is provided at the tip of the flexible tube 13 for insertion, and an operating dial 11a for moving the bending mechanism 13a is provided in the grip portion 11.
この場合、挿入用可撓管13の良好な挿入性を確保でき
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 good insertability of the flexible tube 13 for insertion can be ensured as in the first and second embodiments,
The presence of the bending mechanism 13a has an advantage that the 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。The present invention is not limited to the above embodiments, and various modifications can be made without departing from the scope of the invention.
［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
把持部の一端面に取付けた挿入用可撓管と、前記把持部
の他端面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、挿入用可撓管、処置具挿入口体、
および光伝送用可撓管を前記把持部の幅より内側に位置
させたので、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
できる。[Effects of the Invention] As described above, according to the present invention, the grip portion, the insertion flexible tube attached to one end surface of the grip portion, and the attachment direction attached to the other end surface of the grip portion are the above-mentioned. An insertion flexible tube, a treatment instrument insertion port body, and a treatment instrument insertion port body and a light transmission flexible tube that are parallel to the mounting direction of the insertion flexible tube;
Since the flexible tube for light transmission and the flexible tube for optical transmission are located inside the width of the grip portion, the grip portion can be smoothly moved and rotated with the insertion of the flexible tube for insertion. An endoscope that can always ensure good insertability can be provided.
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、14……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 a configuration of a first embodiment of the present invention, FIG. 2 is a diagram showing a configuration of a second embodiment of the present invention, and FIG. 3 (a).
(B) shows the configuration of the third embodiment of the present invention.
FIG. 4A is a view seen from above, FIG. 4B is a view seen from a side, and FIG. 4 is a view showing a configuration of an example of a conventional endoscope. 11 …… Grip part, 13 …… Flexible tube for insertion, 14 …… Treatment instrument insertion port, 16 …… Universal cord (flexible tube for optical transmission).
Claims (1)
挿入用可撓管と、前記把持部の他端面に取り付けられそ
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する
とともに、前記挿入用可撓管、前記処置具挿入口体、お
よび前記光伝送用可撓管を前記把持部の幅より内側に位
置させたことを特徴とする内視鏡。1. A grip portion, a flexible tube for insertion mounted on one end surface of the grip portion, and a mounting direction mounted on the other end surface of the grip portion such that the mounting direction is parallel to the mounting direction of the flexible tube for insertion. And a flexible tube for light transmission, the flexible tube for insertion, the treatment tool insertion port, and the flexible tube for light transmission being inside the width of the grip portion. An endoscope characterized by being positioned at.
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 JPH02114927A (en) | 1990-04-27 |
| JP2683386B2 true 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 |
|---|---|---|---|---|
| JP2009254403A (en) * | 2008-04-11 | 2009-11-05 | Olympus Medical Systems Corp | Endoscope system |
Families Citing this family (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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5722890Y2 (en) * | 1977-12-02 | 1982-05-18 |
-
1988
- 1988-10-25 JP JP63268866A patent/JP2683386B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009254403A (en) * | 2008-04-11 | 2009-11-05 | Olympus Medical Systems Corp | Endoscope system |
| US8529439B2 (en) | 2008-04-11 | 2013-09-10 | Olympus Corporation | Endoscopic system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02114927A (en) | 1990-04-27 |
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| LAPS | Cancellation because of no payment of annual fees |