JPS58195536A - Endoscope - Google Patents
EndoscopeInfo
- Publication number
- JPS58195536A JPS58195536A JP57079504A JP7950482A JPS58195536A JP S58195536 A JPS58195536 A JP S58195536A JP 57079504 A JP57079504 A JP 57079504A JP 7950482 A JP7950482 A JP 7950482A JP S58195536 A JPS58195536 A JP S58195536A
- Authority
- JP
- Japan
- Prior art keywords
- section
- eyepiece
- operation mechanism
- mounting
- attachment
- 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
Landscapes
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 この発明は操作部の構造を改良した内視鏡に関する。[Detailed description of the invention] The present invention relates to an endoscope with an improved structure of an operating section.
内視鏡の操作部には挿入部、接眼部および湾曲操作機構
等が設けられ、この操作部の操作によって挿入部の湾曲
操作、送気送水切換操作あるいは先端カメラ式内視鏡に
おいては撮影レバー等が遠隔操作できるようになってい
る。したがって、操作部は上述した各機構を保持するた
めに高い機械的強度が要求されるが、使用に際して検者
は操作部を手に持ちながら操作する関係上、軽量である
ことが要求される。The operation section of the endoscope is equipped with an insertion section, an eyepiece section, a bending operation mechanism, etc. By operating this operation section, you can bend the insertion section, switch air and water supply, or, in the case of endoscopes with a camera at the tip, take pictures. Lever etc. can be controlled remotely. Therefore, the operating section is required to have high mechanical strength in order to hold each of the above-mentioned mechanisms, but it is also required to be lightweight since the examiner operates the operating section while holding it in his/her hand.
ところで、従来の内視鏡における操作部は第１図に示す
ように構成されている。すなわち、１はアルミニウムダ
イキャストなどで成形されたベースで、このベース１は
ほぼ長方形状をなす枠部２とこの枠部２の一端に設けた
挿入部取付部３と他端に設けた接、眼部取付部４とから
構成されている。そして、ベース１の枠部２には湾曲操
作機構５が取付板６を介して取付けられ、挿入部取付ｓ
３には挿入部７の基端が締付ｌ１８によって取付けられ
、さらに、接眼部取付ｉ１４には接眼部９が取付ねじ等
によって取付けられている。また、上記ベース１の下半
部は下部カバー１０．上半部は２分割された上部カバー
１１．１２によって覆われ、これら劣力／り一１０、Ｉ
Ｉ、１２は取付ねじ１３・・・によって上記ベース１に
締付固定されている。By the way, the operating section of a conventional endoscope is configured as shown in FIG. That is, reference numeral 1 denotes a base formed of aluminum die-casting or the like, and this base 1 has a nearly rectangular frame part 2, an insertion part attachment part 3 provided at one end of this frame part 2, and a contact provided at the other end. It is composed of an eye attachment part 4. A bending operation mechanism 5 is attached to the frame portion 2 of the base 1 via a mounting plate 6, and an insertion portion mounting s
The proximal end of the insertion portion 7 is attached to the eyepiece portion 3 by tightening l18, and the eyepiece portion 9 is further attached to the eyepiece portion attachment i14 with a mounting screw or the like. Further, the lower half of the base 1 has a lower cover 10. The upper half is covered by an upper cover 11.12 which is divided into two parts.
I, 12 are tightened and fixed to the base 1 by mounting screws 13.
すなわち、従来の操作部はベース１を各部品の取付部材
とし、各部品をベース１に取付けたのち最終的に下部カ
バー１０と上部カバー１１゜１２とで覆うように構成さ
れている。That is, the conventional operation unit is configured such that the base 1 is used as a mounting member for each component, and each component is attached to the base 1 and then finally covered with a lower cover 10 and upper covers 11 and 12.
しかしながら、ベース１は操作部重量の大きな割合を占
めており、操作部の重量化が避けられないとともに、ベ
ースノに・対してすべての部品を取付ける必要があり１
部品点数も多く、組立作業が困難である。However, the base 1 occupies a large proportion of the weight of the operating section, making the operating section unavoidably heavy, and it is necessary to attach all parts to the base 1.
There are many parts, making assembly difficult.
この発明は上記事情に着目してなされたもので、その目
的とするところは、操作部の部品点数の減少を図り、軽
量化と組立作業の容易化を図ることができる内視鏡を提
供しようとするものである。 ｉ′□
以下、この発明を図！′＃≦示す一実施例にもとづいて
説明する。第２図ないし第４図中２１はされた上部カバ
ー２３．２４とによって構成されている。この下部カバ
ー２２、上部カバー２３ ＊ ２４は合成樹脂材料によ
って成形されており、断面がほぼ円弧状に形成されてい
る。上記操作部本体２Ｉの長手方向一端部ｆこは後述す
る挿入部取付部２５％他端＃こは接眼部取付部２６が設
けられている。すなわち、挿入部取付部２５は上記下部
カバー２２と上部カバー２１との口縁部２１．２７に互
いに対向して設けた癒合１１２１１．２８によって形成
され、この嵌合溝２Ｂ、２Ｂには内視鏡の挿入部２９の
基端部に設けた接続口体３ｏの環状突部３１が嵌合でき
るようになっている。さらに、この接続口体ＳＯにはね
じ部３２が設けられ、このねじ部３２には折れ止め管３
３の締付リング３４が螺着されるよう憾なっている。ま
た、上記接眼部取付部２．６はｊ配下部カバー２２と上
部カバー２４との口縁−、、、ｊ ５ 、 ｊ ５に互
いに対向して設けた係合溝３６’、３６によって形成さ
れ、この １保合溝３６．３６には接眼部３７の取付
座ｓ８に設けた取付鍔３９が係合するようになっている
。さらに、この取付座３８にはねじ部４ｏが設けられ、
このねじ部４ｏには口縁部３５゜３５に嵌合する締付リ
ング４Ｉが螺着されるよ互いｔこ対向する円弧状の鉗子
取付部４２．４２が設けられている。この鉗子取付部４
２．４２には係合凹部４３．４３と癒合筒部４４ 、４
４が設けられ、この保合凹部４３ 、 Ｊ ｊには鉗子
口体４５の係合鍔４６が嵌合筒部４４．４４には鉗子止
め管４７がそれぞれ係合するようになっている。さらに
、上記下部カバー２２の内壁には複数の吹付用ボス４８
・・・からなる湾曲操作機構取付部４９が設けられでい
る。これら取付用ボス４８・・・の上端面にはねじ孔５
０・・・が穿設され、これら取付用ボス４８・・・には
湾曲操作機構バー２３．２４の結合部壷こは互いに係合
する段部２３龜、２４％が設けらｆしているとともに、
上記湾曲操作機構５１の軸部５４と対向する部分には円
弧状の切欠部２３ｂ、２４ｂが設けられている。そして
、これら切欠部２３ｂ、Ｚ４ｂの口縁は軸部５４のねじ
部５５は螺着される締付リング５６によって挾持される
ようになっている。This invention was made in view of the above circumstances, and its purpose is to provide an endoscope that can reduce the number of parts in the operating section, reduce weight, and facilitate assembly work. That is. i'□ Below is a diagram of this invention! An explanation will be given based on an example in which '#≦. In FIGS. 2 to 4, 21 is constituted by an upper cover 23 and 24. The lower cover 22 and the upper cover 23 * 24 are molded from a synthetic resin material and have a substantially arcuate cross section. One longitudinal end of the operating section main body 2I is provided with an insertion section attachment section 25, which will be described later, and an eyepiece attachment section 26 is provided at the other end. That is, the insertion portion attachment portion 25 is formed by a joint 11211.28 provided on the mouth edge portions 21.27 of the lower cover 22 and the upper cover 21 facing each other, and the fitting grooves 2B, 2B are provided with an internal view. The annular protrusion 31 of the connection port body 3o provided at the base end of the insertion portion 29 of the mirror can be fitted therein. Furthermore, this connection port body SO is provided with a threaded portion 32, and this threaded portion 32 has a bending pipe 3.
The third tightening ring 34 is to be screwed on. Further, the eyepiece attachment portion 2.6 is formed by engaging grooves 36' and 36 provided at the edges of the lower cover 22 and the upper cover 24, facing each other in the edges of the lower cover 22 and the upper cover 24, respectively. A mounting flange 39 provided on the mounting seat s8 of the eyepiece portion 37 is adapted to engage with this 1-retaining groove 36.36. Furthermore, this mounting seat 38 is provided with a threaded portion 4o,
The threaded portion 4o is provided with arc-shaped forceps attachment portions 42, 42 facing each other so that a tightening ring 4I that fits into the lip portion 35°35 is screwed onto the screw portion 4o. This forceps attachment part 4
2.42 has an engagement recess 43.43 and a fusion cylinder part 44, 4
4 are provided, and the engagement collar 46 of the forceps mouth body 45 is engaged with the engagement recesses 43 and Jj, and the forceps stop tube 47 is engaged with the fitting cylinder portions 44 and 44, respectively. Further, a plurality of spray bosses 48 are provided on the inner wall of the lower cover 22.
A bending operation mechanism mounting portion 49 consisting of... is provided. These mounting bosses 48... have screw holes 5 on the upper end surface.
0... are bored, and these mounting bosses 48... are provided with stepped portions 23 and 24% that engage with each other. With,
Arc-shaped notches 23b and 24b are provided in a portion of the bending operation mechanism 51 that faces the shaft portion 54. As shown in FIG. The mouth edges of these notches 23b and Z4b are clamped by a tightening ring 56 into which the threaded portion 55 of the shaft portion 54 is screwed.
つぎに、上述のように構成された操作部の組を嵌合する
とともに、係合溝３６に接眼部３７の取付鍔３９を係合
する。さらに、係合凹部４３に鉗子口体４５の係合鍔４
６を係合する。Next, the set of operating sections configured as described above is fitted together, and the mounting flange 39 of the eyepiece section 37 is engaged with the engagement groove 36. Furthermore, the engagement collar 4 of the forceps mouth body 45 is inserted into the engagement recess 43.
6.
また、取付用ボス４８・・・に湾曲操作機構５１の取付
板５２を載せ、ねじ５３・・・１こよって取付用ボス４
８・・・のねじ孔５０・・・に締付固定する。この状態
においで、下部カバー２２に対して上部力／（−４３，
２４を載置し、それぞれの段部２Ｂｍ、２４＊を係合し
て切欠部２ Ｊ ｂ 、 ！Ｊｂ番こよって湾曲操作機
構５）の軸部５４を嵌合するとともに、上記挿入部２９
の環状突部３ノ。In addition, the mounting plate 52 of the bending operation mechanism 51 is placed on the mounting boss 48 . . . , and the screws 53 .
Tighten and fix it in the screw hole 50 of 8.... In this state, the upper force/(-43,
24, and engage the respective stepped portions 2Bm and 24* to form the cutout portion 2 J b ! Therefore, the shaft part 54 of the bending operation mechanism 5) is fitted, and the insertion part 29
3 annular protrusions.
鉗子口体４５の供給鍔４６にそれぞれ上部カバー２３の
嵌合＠Ｚ ８、係合凹部４３を係合する。The supply collar 46 of the forceps mouth body 45 is engaged with the fitting @Z 8 and the engagement recess 43 of the upper cover 23, respectively.
さらに、ｗ！眼部３１の取付鍔３９に上部カバー２４の
係合溝３６を係合する。そこで、挿入部２９の締付リン
グ３４を接続口体３０のねじ部３２１こ螺合すると、締
付リング３４は下部カバー２２と上部カバー３２との口
縁部２７．２７に嵌着し、挿入部ＩＩＩの環状突部ｊ１
は下部カバー２２と上部カバー２３との間で挟持固定さ
れる。このとき、鉗子口体４５の係合鍔４６も鉗子止め
管４１とともに下部カバー２２と上部カバー２３との間
で挟持固定される。また、接眼部３７の締付リング４１
を取付座３８のねじ部４０に螺合すると、締付リング４
１は下部カバー２２と上部カバー２４の口縁［７％３５
．３５に嵌着し、接眼部３７１付鍔３９６ｊ下部カバー
２２と・′：：
上部カバー２４との間で挟持同速される。さらに、湾曲
操作機構５１の締付リング５６をねじ部５５に螺合する
と、上部カバー２３．２４の切欠部ｊｏｂ、Ｊｏｂの口
縁は湾曲操作機構５）との間で挾持固定されることにな
る。したがって、挿入部２９％接眼部３７、鉗子口体４
５および湾曲操作機構５ノは操作部本体２１を構成する
下部カバー２２および上部カバー２３．２４間で挾持固
定されることになる。Furthermore, lol! The engagement groove 36 of the upper cover 24 is engaged with the attachment flange 39 of the eye part 31 . Therefore, when the tightening ring 34 of the insertion portion 29 is screwed onto the threaded portion 321 of the connection port body 30, the tightening ring 34 fits into the mouth edges 27.27 of the lower cover 22 and the upper cover 32, and when inserted Annular protrusion j1 of part III
is clamped and fixed between the lower cover 22 and the upper cover 23. At this time, the engaging collar 46 of the forceps mouth body 45 is also clamped and fixed between the lower cover 22 and the upper cover 23 together with the forceps stopper tube 41. In addition, the tightening ring 41 of the eyepiece part 37
When screwed into the threaded portion 40 of the mounting seat 38, the tightening ring 4
1 is the edge of the lower cover 22 and upper cover 24 [7% 35
．． 35 and held between the eyepiece portion 371 attached flange 396j and the lower cover 22 and the upper cover 24 at the same speed. Furthermore, when the tightening ring 56 of the bending operation mechanism 51 is screwed onto the threaded part 55, the notch part job of the upper cover 23, 24, the mouth edge of the job will be clamped and fixed between the bending operation mechanism 5). Become. Therefore, the insertion part 29%, the eyepiece part 37, the forceps mouth body 4
5 and the bending operation mechanism 5 are sandwiched and fixed between the lower cover 22 and upper covers 23 and 24 that constitute the operation section main body 21.
なお、上記一実施例においては、カバーを３分割した場
合について説明したが、
操作部本体を左右に２分割したカバーによって構成して
もよい。In the above embodiment, a case where the cover is divided into three parts has been described, but the main body of the operating section may be divided into two parts on the left and right sides.
この発明は以上説明したように、操作部本体を少なくと
も２分割したカバーによって形成しこれらカバーを結合
することにより、挿入部、接眼部および湾曲操作機構の
各取付部を挾持固定するようにしたから、操作部重量の
大きな割合を占めているベースが不要となり、部品点数
の減少と軽量化を図ることができる。また、組立作業が
容易となる左ともに、操作部の分解修理も容易に行なう
ことができるという効果を賢する。As explained above, the present invention is configured such that the main body of the operation section is formed by a cover divided into at least two parts, and these covers are combined to clamp and fix each attachment section of the insertion section, eyepiece section, and bending operation mechanism. Therefore, the base, which accounts for a large proportion of the weight of the operating unit, is no longer necessary, and the number of parts and weight can be reduced. In addition to the ease of assembly, the operation section can also be easily disassembled and repaired.
第１図は従来の操作部の分解斜視図、第２図はこの発明
の一実施例を示す操作部の分解斜視図、第３図は同じく
挿入部取付部の縦断側面図、第４図は同じく接眼部取付
部の縦断１１面図である。
２１・・操作部本体、２２，２３．２４・・・カッ（−
％２５・・・挿入部取付部％２６・・・接眼部取付部。
２９・・・挿入部、３１・・・接眼部、４９・・・湾曲
操作機構取付部、５１・・・湾曲操作機構。
出願人代理人 弁理士 鈴 江 武 彦矛２図
４７−心
３ＩＰ３図
５FIG. 1 is an exploded perspective view of a conventional operating section, FIG. 2 is an exploded perspective view of an operating section showing an embodiment of the present invention, FIG. 3 is a vertical side view of the insertion section mounting section, and FIG. Similarly, it is a vertical 11th view of the eyepiece attachment part. 21...Operation unit main body, 22,23.24...Ka(-
%25...Insertion part attachment part %26...Eyepiece part attachment part. 29... Insertion part, 31... Eyepiece part, 49... Curving operation mechanism attachment part, 51... Curving operation mechanism. Applicant's agent Patent attorney Takeshi Suzue Hikoyori 2 Figure 47 - Heart 3 IP 3 Figure 5
Claims (2)
けられる操作部を備えた内視鏡において、上記操作部を
構成する操作部本体を少なくとも２汁割したカバーによ
って形成し、これらカバーを結合することにより上記挿
入部、接眼部Ｂよび湾曲操作機構の各取付部を挟持固定
したこと′１ｆｒ−特徴とする内視鏡。(1) In an endoscope equipped with an operation section to which an insertion section, an eyepiece S, a bending operation mechanism, etc. are attached, the operation section main body constituting the operation section is formed by a cover divided into at least two parts, and these covers are combined. An endoscope characterized in that the insertion section, the eyepiece section B, and the mounting sections of the bending operation mechanism are clamped and fixed by doing so.
いることを特徴とする特許請求の範囲ＩＩ、１項記載の
内視鏡。(2) The endoscope according to claim 1, wherein the cover is molded from a synthetic resin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57079504A JPS58195536A (en) | 1982-05-12 | 1982-05-12 | Endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57079504A JPS58195536A (en) | 1982-05-12 | 1982-05-12 | Endoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58195536A true JPS58195536A (en) | 1983-11-14 |
| JPH034204B2 JPH034204B2 (en) | 1991-01-22 |
Family
ID=13691760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57079504A Granted JPS58195536A (en) | 1982-05-12 | 1982-05-12 | Endoscope |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58195536A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63161928A (en) * | 1986-12-25 | 1988-07-05 | 旭光学工業株式会社 | Operation part of endoscope |
| JPH01126201U (en) * | 1988-02-22 | 1989-08-29 | ||
| JPH04803U (en) * | 1990-04-16 | 1992-01-07 | ||
| JPH04361730A (en) * | 1991-06-10 | 1992-12-15 | Fuji Photo Optical Co Ltd | Inserting part operating device |
| JP2006218101A (en) * | 2005-02-10 | 2006-08-24 | Olympus Corp | Endoscope |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4823278U (en) * | 1971-07-24 | 1973-03-16 | ||
| JPS51115494U (en) * | 1975-03-12 | 1976-09-18 | ||
| JPS53134589U (en) * | 1977-03-31 | 1978-10-25 | ||
| JPS54134290U (en) * | 1978-03-10 | 1979-09-18 |
-
1982
- 1982-05-12 JP JP57079504A patent/JPS58195536A/en active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4823278U (en) * | 1971-07-24 | 1973-03-16 | ||
| JPS51115494U (en) * | 1975-03-12 | 1976-09-18 | ||
| JPS53134589U (en) * | 1977-03-31 | 1978-10-25 | ||
| JPS54134290U (en) * | 1978-03-10 | 1979-09-18 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63161928A (en) * | 1986-12-25 | 1988-07-05 | 旭光学工業株式会社 | Operation part of endoscope |
| JPH01126201U (en) * | 1988-02-22 | 1989-08-29 | ||
| JPH045123Y2 (en) * | 1988-02-22 | 1992-02-14 | ||
| JPH04803U (en) * | 1990-04-16 | 1992-01-07 | ||
| JPH04361730A (en) * | 1991-06-10 | 1992-12-15 | Fuji Photo Optical Co Ltd | Inserting part operating device |
| JP2006218101A (en) * | 2005-02-10 | 2006-08-24 | Olympus Corp | Endoscope |
| JP4652837B2 (en) * | 2005-02-10 | 2011-03-16 | オリンパス株式会社 | Endoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH034204B2 (en) | 1991-01-22 |
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