JPH041921Y2 - - Google Patents
Info
- Publication number
- JPH041921Y2 JPH041921Y2 JP10912487U JP10912487U JPH041921Y2 JP H041921 Y2 JPH041921 Y2 JP H041921Y2 JP 10912487 U JP10912487 U JP 10912487U JP 10912487 U JP10912487 U JP 10912487U JP H041921 Y2 JPH041921 Y2 JP H041921Y2
- Authority
- JP
- Japan
- Prior art keywords
- endoscope
- valve
- section
- outside air
- opening
- 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
Links
- 238000004659 sterilization and disinfection Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000003423 ankle Anatomy 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 229920000544 Gore-Tex Polymers 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は通気可能な水密型内視鏡に関する。[Detailed explanation of the idea] [Industrial application field] The present invention relates to a ventable watertight endoscope.
現在、体腔内の観察や治療に用いた内視鏡は使
用後に洗浄・消毒して次の使用に供する。そこ
で、洗浄に際して内視鏡内に洗浄水が浸入しない
ように全体が水密構造となつている。
Currently, endoscopes used for observation and treatment inside body cavities are cleaned and disinfected after use before being used for the next time. Therefore, the entire endoscope has a watertight structure to prevent cleaning water from entering the endoscope during cleaning.
さらに、消毒に際してはエチレンオキサイドガ
ス(以下E.O.Gという。)によつて行なわれ、こ
のE.O.Gは約55℃の雰囲気内で行なわれるもので
ある。 Furthermore, disinfection is performed using ethylene oxide gas (hereinafter referred to as EOG), and this EOG is performed in an atmosphere at approximately 55°C.
以上のような従来技術によると、内視鏡は水密
構造となつている。このため、消毒に際して約55
℃に温められると、可撓管部特にアングル部の柔
軟な外被は風船のように膨張してしまい、ひどい
場合には破裂することがあり、それで無くても消
毒の度にこの膨張を繰返していると弾性疲労によ
り耐久性が非常に小さくなる問題がある。
According to the prior art as described above, the endoscope has a watertight structure. For this reason, when disinfecting, approximately 55
When heated to ℃, the flexible outer covering of the flexible tube section, especially the angle section, expands like a balloon and in severe cases may burst, and even if this is not the case, this expansion will be repeated every time disinfection is performed. There is a problem in that durability becomes extremely low due to elastic fatigue.
本考案は、可撓管部、柄部および案内管部より
成り、それらそれぞれおよびそれらの各連結部が
水密構造となつている水密型内視鏡において、案
内管部に内視鏡内部と外気とを連通させる開口を
設け、この開口にフイルタを内蔵したフイルタ筒
を取付けると共に弁部を取付け、この弁部を開放
させたときにのみ内視鏡内部と外気とを連通させ
ることができるようにしたことを特徴とする。
The present invention provides a watertight endoscope consisting of a flexible tube section, a handle section, and a guide tube section, each of which has a watertight structure, and each connecting section thereof has a watertight structure. A filter tube with a built-in filter is attached to the opening, and a valve section is attached to this opening, so that communication can be established between the inside of the endoscope and the outside air only when the valve section is opened. It is characterized by what it did.
以上の構造によると、観察使用時および洗浄時
には弁部を通じた閉止状態としておき、E.O.Gに
よる加温消毒時に弁体を開放して内視鏡内を外気
と連通させることにより、消毒時に内視鏡内と外
気とを等圧にすることができ、従来生じていた内
視鏡可撓管部の膨張を防ぐことができることにな
る。
According to the above structure, the valve is closed during observation and cleaning, and the valve is opened during heating and disinfection by EOG to communicate the inside of the endoscope with outside air. The pressure inside and outside air can be equalized, and the expansion of the flexible tube portion of the endoscope, which conventionally occurs, can be prevented.
以下に本考案の実施例を図面を用いて説明す
る。第1図は内視鏡の側面図、第2図は弁部が閉
止状態の拡大断面図、第3図は開放状態の拡大断
面図であり、図において、1は可撓管部であり、
先端に観察窓、照明窓、鉗子口その他空気・水噴
出口等を有する硬性部2、続いて観察窓の観察方
向を変えるアングル部3、さらに続いて可撓管4
となつている。この可撓管部1内には一般にはイ
メージガイド、光ガイド、空気・水送給管、吸引
管、鉗子導入管、アンクル操作ワイヤ等が通して
ある。
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view of the endoscope, FIG. 2 is an enlarged sectional view of the endoscope in a closed state, and FIG. 3 is an enlarged sectional view of the endoscope in an open state.
A rigid part 2 has an observation window, an illumination window, a forceps opening, an air/water spout, etc. at its tip, followed by an angle part 3 that changes the observation direction of the observation window, and then a flexible tube 4.
It is becoming. In general, an image guide, a light guide, an air/water supply tube, a suction tube, a forceps introduction tube, an ankle operation wire, etc. are passed through the flexible tube section 1.
5は柄部であり、接眼部6、アンクル操作ダイ
ヤル7および鉗子導入口8等がある。 Reference numeral 5 denotes a handle portion, which includes an eyepiece portion 6, an ankle operation dial 7, a forceps introduction port 8, and the like.
9は案内管部であり、上記光ガイド、空気・水
送給管等が一本にまとめ案内するか、複数本に分
けて案内するもので本実施例では1本の場合を示
してある。10は接続プラグであり、図示しない
光源装置等に接続できるようになつている。 Reference numeral 9 denotes a guide tube section, which guides the light guide, air/water supply tubes, etc. as a single guide or divides them into a plurality of guide tubes, and in this embodiment, one guide tube section is shown. Reference numeral 10 denotes a connection plug, which can be connected to a light source device (not shown) or the like.
このような可撓管部1、柄部5および案内管部
9のそれぞれおよび各接続部は水密・気密構造と
なつて全一体として内視鏡11を構成している。 Each of the flexible tube section 1, the handle section 5, and the guide tube section 9 and each connection section have a watertight and airtight structure, and constitute the endoscope 11 as a whole.
12は上記案内管部9に取付けた弁部であり、
この弁部12によつて内視鏡11内と外気とが連
通する構造となつており、以下に詳細に説明す
る。 12 is a valve part attached to the guide pipe part 9;
This valve portion 12 has a structure in which the inside of the endoscope 11 and the outside air communicate with each other, and will be described in detail below.
13は案内管部9に設けた開口14に取付けた
フイルタ筒であり、一側は案内管部9内に開放
し、他側は外気側に開放するもので開口14に螺
合させる等により取付けたもので、内部に納める
フイルタとしては例えばゴアテツクス(登録商
標)等のように空気を通すが水分は通さない素材
によるフイルタが内蔵されている。 Reference numeral 13 denotes a filter tube attached to an opening 14 provided in the guide tube section 9, one side of which opens into the guide tube section 9 and the other side open to the outside air, and is attached by screwing into the opening 14. The filter housed inside is made of a material such as Gore-Tex (registered trademark) that allows air to pass through but does not allow moisture to pass through.
15は弁体であり、どのような形式の弁でもよ
く、例えば図示する如く弁室16内にスプリング
17で弁口18に弁19を押圧する形式の弁でよ
く、弁体15の先端は上記フイルタ筒13に連通
している。20はキヤツプである。 Reference numeral 15 denotes a valve body, and the valve may be of any type, for example, as shown in the figure, a valve 19 may be pressed against a valve port 18 by a spring 17 in a valve chamber 16, and the tip of the valve body 15 is It communicates with the filter tube 13. 20 is a cap.
21はこの弁体11の開放具であつて上記弁体
11とは別体となつており、連通穴22を有する
押圧部23があり、弁室16と外気とを連通させ
る。24は係止部である。 Reference numeral 21 denotes an opener for the valve body 11, which is separate from the valve body 11, and has a pressing portion 23 having a communication hole 22, which allows the valve chamber 16 to communicate with the outside air. 24 is a locking portion.
以上の構成によると、通常時は、スプリング1
7の押圧力で弁19は閉じており、この状態で観
察等の作業に用いられるもので、弁体11はキヤ
ツプ20で閉じてごみ等が浸入しないようになつ
ている。 According to the above configuration, under normal conditions, spring 1
The valve 19 is closed by a pressing force of 7, and is used for observation and other work in this state, and the valve body 11 is closed by a cap 20 to prevent dirt and the like from entering.
次に、観察に用いた後に、洗浄・消毒をする
が、その洗浄時には上記の弁体にキヤツプ20を
つけた状態で行なう。 Next, after being used for observation, it is cleaned and disinfected, and the cleaning is carried out with the cap 20 attached to the valve body.
そこで、消毒時には、キヤツプ20を外して開
放具21を弁体11内に圧入して押圧部23で弁
スプリング17の発力に対抗して弁19を押圧し
て開放状態にして開放具21を係止部24によつ
て開放状態を保持し、これによつて内視鏡内は外
気と連通状態となる。 Therefore, during disinfection, the cap 20 is removed, the opener 21 is press-fitted into the valve body 11, and the pressing part 23 presses the valve 19 against the force of the valve spring 17 to open the valve 19 and open the opener 21. The open state is maintained by the locking portion 24, whereby the inside of the endoscope is brought into communication with the outside air.
この連通状態は、フイルタ筒13を介して行な
われるために、内視鏡内の空気は連通するが、水
分は一切入らないことになる。この状態でE.O.G
内で消毒するものであるが、このときはE.O.Gが
55℃であつても内視鏡の可撓管部は外気と等圧と
なり、加温によつて膨張することはなく、消毒を
行なうことができる。 Since this communication state is achieved through the filter tube 13, the air within the endoscope is communicated, but no moisture enters. In this state, EOG
It is disinfected internally, but at this time the EOG
Even at 55°C, the flexible tube of the endoscope has the same pressure as the outside air, does not expand due to heating, and can be sterilized.
消毒完了後は、開放具21を外して弁の状態を
元の状態に戻してキヤツプ20を嵌めて完了す
る。 After the disinfection is completed, the opener 21 is removed, the valve is returned to its original state, and the cap 20 is fitted.
なお、上記フイルタ筒13はフイルタが目詰を
起した場合等は交換することができるものであ
る。 Note that the filter tube 13 can be replaced if the filter becomes clogged.
以上説明した本考案によると、水密構造とした
内視鏡において、案内管部に弁体を取付けて内視
鏡内部と外気とを任意に連通可能としたことによ
り、E.O.Gによる加温消毒時に弁体を開放して内
視鏡内を外気と連通させることにより等圧にする
ことができ、従来生じていた内視鏡可撓管部の膨
張を防ぐことができ、内視鏡の耐久性を向上させ
ることができる効果を有する。
According to the present invention described above, in an endoscope with a watertight structure, a valve body is attached to the guide tube section to enable communication between the inside of the endoscope and the outside air as desired. By opening the body and communicating the inside of the endoscope with outside air, the pressure can be equalized, preventing the expansion of the flexible tube of the endoscope that conventionally occurs, and improving the durability of the endoscope. It has an effect that can be improved.
また内視鏡内に水分が浸入しないために電線を
配線した場合に水の浸入による漏電を防止するこ
とができることになる。 Further, since moisture does not enter the endoscope, it is possible to prevent electrical leakage due to water intrusion when wiring is done.
第1図は内視鏡の側面図、第2図は弁部が閉止
状態の拡大断面図、第3図は弁部が開放状態の拡
大断面図である。
1……可撓管部、5……柄部、9……案内管
部、12……弁部、13……フイルタ筒。
FIG. 1 is a side view of the endoscope, FIG. 2 is an enlarged cross-sectional view with the valve portion in a closed state, and FIG. 3 is an enlarged cross-sectional view with the valve portion in an open state. DESCRIPTION OF SYMBOLS 1... Flexible tube part, 5... Handle part, 9... Guide tube part, 12... Valve part, 13... Filter cylinder.
Claims (1)
らそれぞれおよびそれらの各連結部が水密構造と
なつている水密型内視鏡において、案内管部に内
視鏡内部と外気を連通させる開口を設け、この開
口にフイルタを内蔵したフイルタ筒を取付けると
共に弁部を取付け、この弁部を開放させたときに
のみ内視鏡内部と外気とを連通させることができ
るようにしたことを特徴とする水密型内視鏡。 In a watertight endoscope consisting of a flexible tube section, a handle section, and a guide tube section, each of which and their connecting sections have a watertight structure, an opening in the guide tube section that communicates the inside of the endoscope with outside air. A filter tube with a built-in filter is attached to the opening, and a valve section is attached to the opening, so that the inside of the endoscope can communicate with outside air only when the valve section is opened. Watertight endoscope.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10912487U JPH041921Y2 (en) | 1987-07-17 | 1987-07-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10912487U JPH041921Y2 (en) | 1987-07-17 | 1987-07-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6417201U JPS6417201U (en) | 1989-01-27 |
JPH041921Y2 true JPH041921Y2 (en) | 1992-01-23 |
Family
ID=31345085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10912487U Expired JPH041921Y2 (en) | 1987-07-17 | 1987-07-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH041921Y2 (en) |
-
1987
- 1987-07-17 JP JP10912487U patent/JPH041921Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6417201U (en) | 1989-01-27 |
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