JPH0122642Y2 - - Google Patents
Info
- Publication number
- JPH0122642Y2 JPH0122642Y2 JP1983054347U JP5434783U JPH0122642Y2 JP H0122642 Y2 JPH0122642 Y2 JP H0122642Y2 JP 1983054347 U JP1983054347 U JP 1983054347U JP 5434783 U JP5434783 U JP 5434783U JP H0122642 Y2 JPH0122642 Y2 JP H0122642Y2
- Authority
- JP
- Japan
- Prior art keywords
- fiberscope
- fiber bundle
- covering tube
- tip
- fiber
- 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
- 239000000835 fiber Substances 0.000 claims description 35
- 239000007788 liquid Substances 0.000 claims description 25
- 125000006850 spacer group Chemical group 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000005286 illumination Methods 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000002730 additional effect Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- A61B1/00163—Optical arrangements
- A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
-
- 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
-
- 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
- A61B1/0011—Manufacturing of endoscope parts
-
- 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
- A61B1/012—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 characterised by internal passages or accessories therefor
- A61B1/015—Control of fluid supply or evacuation
-
- 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
- A61B1/313—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 for introducing through surgical openings, e.g. laparoscopes
- A61B1/3137—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 for introducing through surgical openings, e.g. laparoscopes for examination of the interior of blood vessels
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Optics & Photonics (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Endoscopes (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Description
【考案の詳細な説明】
(イ) 考案の属する技術分野
本考案はフアイバスコープに関し、より詳細に
は血管内や心臓内等不透明液で充満された領域を
光学的に観察、測定するためのフアイバスコープ
に関する。[Detailed description of the invention] (a) Technical field to which the invention pertains The present invention relates to a fiberscope, and more specifically to a fiberscope for optically observing and measuring areas filled with opaque fluid, such as inside blood vessels and the heart. Regarding scope.
(ロ) 従来技術とその問題点
血管内や心臓内等不透明液で満たされた領域を
光学的に観察する場合、観察用透明領域を形成す
るための透明液噴出機能を有するフアイバスコー
プを使用することが公知である。本考案者他の共
同発明によるフアイバスコープの一例が特許出願
昭57−219740中に提案されている。(b) Prior art and its problems When optically observing a region filled with opaque fluid, such as inside a blood vessel or heart, a fiberscope is used that has a clear fluid jetting function to form a transparent region for observation. This is well known. An example of a fiberscope jointly invented by the present inventor and others was proposed in patent application No. 57-219740.
上記出願によるフアイバスコープは第１図およ
び第２図に示すように可撓性被覆チユーブ１の内
側に先端に観察物結像用の光学系を備えた画像伝
送用のイメージフアイバ３とイメージフアイバ３
に併設された照明光伝送用のライトガイド４とか
らなるフアイバ束２と、前記光学系およびライト
ガイド前面に透明液体のフラツシユを形成すべく
被覆チユーブ１の内壁とフアイバ束２外面とのす
きまに形成した液案内通路５と、フアイバ束２先
端部を被覆チユーブ１の中央部に保持しかつ液案
内通路と連通する出口と液案内壁とを有するキヤ
ツプ６とを備えた構成となつており、これにより
血管内へフアイバスコープを挿入し透明液を噴出
して観察領域の血液を排除しつつ透明領域を形成
して画像観察を行なうことができる。 As shown in FIGS. 1 and 2, the fiberscope according to the above application includes an image fiber 3 for image transmission and an image fiber 3 equipped with an optical system for imaging an object at the tip inside a flexible covered tube 1.
A fiber bundle 2 consisting of a light guide 4 for illumination light transmission attached to the fiber bundle 2 is inserted into the gap between the inner wall of the covering tube 1 and the outer surface of the fiber bundle 2 in order to form a flash of transparent liquid on the front surface of the optical system and the light guide. It has a structure comprising a liquid guide passage 5 formed therein, and a cap 6 which holds the tip end of the fiber bundle 2 in the center of the covering tube 1 and has an outlet communicating with the liquid guide passage and a liquid guide wall, Thereby, the fiberscope can be inserted into a blood vessel and a transparent liquid can be ejected to remove blood from the observation area while forming a transparent area for image observation.
しかしながら上記従来のフアイバスコープでは
キヤツプ６が第３図および第４図に示すように小
形でかつ複雑な構造を有しているため切削加工も
しくは金型により製作するにせよ製造コストが非
常に高く、これがフアイバスコープのコスト低減
への障害となつていた。また、上記のキヤツプ６
と被覆チユーブ１内面との接着不良により液フラ
ツシユ時の衝撃によりキヤツプ６が飛び出す恐れ
があつた。 However, in the conventional fiberscope described above, the cap 6 is small and has a complicated structure as shown in FIGS. 3 and 4, so the manufacturing cost is very high even if it is manufactured by cutting or molding. This has been an obstacle to reducing the cost of fiberscopes. Also, the above cap 6
Due to poor adhesion between the cap 6 and the inner surface of the covering tube 1, there was a risk that the cap 6 would pop out due to the impact when the liquid was flushed.
(ハ) 考案の目的
本考案は上記従来の事情に鑑みなされたもので
あつて、製造コストの安いフアイバスコープを提
供することを目的としている。(c) Purpose of the invention The present invention was devised in view of the above-mentioned conventional circumstances, and its purpose is to provide a fiberscope that is inexpensive to manufacture.
(ニ) 考案の要点
本考案によるフアイバスコープは本考案者他の
共同発明による出願昭57−219740中に提案された
フアイバスコープでのキヤツプを使用する構成に
改良を加えたものであつて、従来のキヤツプに代
えてフアイバ束を被覆チユーブの中央に保持しか
つ透明液出口を形成するよう液通路内をフアイバ
束軸方向にのびかつ可撓性を有する帯状材からな
るらせん状スペーサをフアイバ束先端部周囲に固
定したことを特徴とする。(d) Main points of the invention The fiberscope according to the present invention is an improvement on the structure using a cap in the fiberscope proposed in the patent application filed in 1974-219740 jointly invented by the present inventor and others. Instead of the cap, a helical spacer made of a flexible band-shaped material is installed at the tip of the fiber bundle to hold the fiber bundle in the center of the coating tube and extend in the axial direction of the fiber bundle in the liquid passage to form a transparent liquid outlet. It is characterized by being fixed around the area.
これにより、複雑な製造方法を要しないきわめ
て単純な構成のらせん状スペーサを使用するため
フアイバスコープの製造コストを低減させること
ができる。 As a result, the manufacturing cost of the fiberscope can be reduced because a spiral spacer with an extremely simple configuration that does not require a complicated manufacturing method is used.
また、液フラツシユ時の衝撃によるキヤツプ飛
び出しの問題をも解消することができる。 Furthermore, the problem of the cap popping out due to impact during liquid flushing can also be solved.
(ホ) 考案の実施例
以下、図面を参照して本考案の好ましい実施例
について説明する。第５図は本考案によるフアイ
バスコープの部分破断した先端部の斜視図であ
る。(E) Embodiments of the invention Preferred embodiments of the invention will be described below with reference to the drawings. FIG. 5 is a partially cutaway perspective view of the tip of the fiberscope according to the present invention.
先端に観察物結像用の光学系を備えた画像伝送
用のイメージフアイバとイメージフアイバに併設
された照明光伝送用のライトガイドとからなるフ
アイバ束２の先端部周囲と被覆チユーブ１の内壁
との間にフアイバ束に接着固定されたらせん状ス
ペーサ１１を配置している。このらせん状スペー
サは塩化ビニル等の可撓性を有する一本の帯状材
１２からなり第６図に示すようにフアイバ束の周
囲にらせん状に巻きつけ接着することができる。
このらせん状スペーサは接着面の接触面積を大き
くとることができるため接着は容易でかつ確実に
行なうことができる。フアイバ束２に接着された
らせん状スペーサ１１はさらに被覆チユーブ１の
内面に接着することができ、これにより被覆チユ
ーブ１とフアイバ束２は互いに固定される。 The periphery of the tip of a fiber bundle 2 consisting of an image fiber for image transmission having an optical system for imaging an object at the tip and a light guide for illumination light transmission attached to the image fiber, and the inner wall of the covering tube 1. A helical spacer 11 adhesively fixed to the fiber bundle is arranged between them. This helical spacer is made of a single flexible strip 12 of vinyl chloride or the like, and can be helically wrapped around the fiber bundle and bonded as shown in FIG.
Since this spiral spacer can provide a large contact area of the adhesive surface, the adhesive can be easily and reliably bonded. The helical spacer 11 glued to the fiber bundle 2 can further be glued to the inner surface of the covering tube 1, thereby fixing the covering tube 1 and the fiber bundle 2 to each other.
なおらせん状スペーサと被覆チユーブとの接着
性が不良の場合にはらせん状スペーサを被覆チユ
ーブに接着せずに第６図および第８図に示される
ような固定方法をとることができる。この場合、
フアイバ束２に固定されたらせん状スペーサ１１
が被覆チユーブ１の内部で液案内通路５を通過す
る透明液の流れにより軸方向前後に移動するのを
阻止するため２個のリング、すなわち前リング１
３および後リング１４が設けられている。リング
１３，１４は被覆チユーブ１と接着性の良い材料
で構成され被覆チユーブに接着固定される。しか
しながら、前後リング１３，１４は第８図に示さ
れるようらせん状スペーサ１１の前後端面の外周
側端部と接触的に係合するだけなので、フアイバ
束２先端が液フラツシユ時の衝撃により被覆チユ
ーブ内で首を振つた形で、すなわちらせん状スペ
ーサ１１の端部が前リング１３の端面から外れ
て、前方へ飛び出す恐れがある。これを防止する
ため、フアイバ束２の外面上のらせん状スペーサ
１１の先端部と180゜反対側位置に前リング１３と
係合するようストツパ１５を配置することができ
る。このストツパ１５は液の流れに対し抵抗とな
らぬよう頂点を液の流れに対向させた三角柱形状
とすることが望ましい。本構成においては第６図
および第８図に示されるように被覆チユーブ１先
端部を他の部分よりも太くすることにより液案内
通路５をなるべく広くとるようにしており、この
とき後リング１４は被覆チユーブ１に接着固定し
なくても良い。このように直接接着もしくは前後
リング１３，１４を介してフアイバ束２の先端部
に固定されたらせん状スペーサ１１を被覆チユー
ブ１に対し固定できる。いずれの方法においても
従来の複雑かつ小形のキヤツプを被覆チユーブに
接着するのに比べ広い接着面積をとれるので接着
が容易かつ確実となるため、従来のフアイバスコ
ープの問題点の１つであつた液フラツシユ時の衝
撃によるキヤツプの飛出しの問題も本実施例によ
れば同時に解決される。 If the adhesiveness between the helical spacer and the covering tube is poor, the fixing method shown in FIGS. 6 and 8 can be used without adhering the helical spacer to the covering tube. in this case,
Helical spacer 11 fixed to fiber bundle 2
In order to prevent the liquid from moving back and forth in the axial direction due to the flow of the transparent liquid passing through the liquid guide passage 5 inside the covering tube 1, two rings, namely the front ring 1 are provided.
3 and a rear ring 14 are provided. The rings 13 and 14 are made of a material that has good adhesion to the covering tube 1, and are adhesively fixed to the covering tube 1. However, as shown in FIG. 8, the front and rear rings 13 and 14 only contactly engage with the outer circumferential ends of the front and rear end surfaces of the spiral spacer 11, so that the tip of the fiber bundle 2 is damaged by the impact caused by the liquid flushing, causing the coating tube to be damaged. In other words, the end of the spiral spacer 11 may come off the end surface of the front ring 13 and fly forward. To prevent this, a stopper 15 can be arranged on the outer surface of the fiber bundle 2 at a position 180° opposite the tip of the helical spacer 11 so as to engage with the front ring 13. This stopper 15 is desirably shaped like a triangular prism with its apex facing the flow of the liquid so as not to create resistance to the flow of the liquid. In this configuration, as shown in FIGS. 6 and 8, the liquid guide passage 5 is made as wide as possible by making the tip of the covering tube 1 thicker than the other parts, and at this time, the rear ring 14 is It is not necessary to adhesively fix it to the covering tube 1. In this way, the helical spacer 11 fixed to the tip of the fiber bundle 2 can be fixed to the covering tube 1 by direct adhesion or via the front and rear rings 13, 14. Either method allows for a larger bonding area compared to the conventional method of gluing a complex and small cap to a covering tube, making bonding easier and more reliable. According to this embodiment, the problem of the cap popping out due to impact during flushing is also solved at the same time.
以上記述された本考案によるフアイバスコープ
は生体の血管内壁や心臓内の観察用と共に原油や
薬品等不透明な流体で満たされた管路の観察用に
も適用できる。 The fiberscope according to the present invention described above can be used for observing the inner walls of blood vessels and the heart of a living body, as well as for observing conduits filled with opaque fluids such as crude oil and chemicals.
(ヘ) 考案の効果
以上のように本考案によれば、先端に観察物結
像用の光学系を備えた画像伝送用のイメージフア
イバと前記イメージフアイバに併設された照明光
伝送用のライトガイドとからなるフアイバ束の先
端部外周に固定され、かつ前記フアイバ束外面と
前記フアイバ束を包囲する被覆チユーブ内壁との
すきまに形成された液通路内を前記フアイバ束軸
方向に伸びかつ可撓性を有する帯状材からなるら
せん状スペーサを設けたことにより製造コストの
高い複雑な構造のキヤツプを使用する場合に比べ
フアイバスコープの製造コストを大幅に低減させ
ることができる。(f) Effects of the invention As described above, according to the invention, an image fiber for transmitting an image having an optical system for imaging an object to be observed at its tip and a light guide for transmitting illumination light attached to the image fiber are provided. A flexible tube that extends in the axial direction of the fiber bundle in a liquid passage formed in a gap between the outer surface of the fiber bundle and the inner wall of a covering tube surrounding the fiber bundle. By providing a helical spacer made of a strip material having a diameter, the manufacturing cost of the fiberscope can be significantly reduced compared to the case where a cap with a complicated structure is used, which is expensive to manufacture.
さらに付加的効果として液通路がらせん状とな
るため液がらせん渦状にフラツシユされ観察領域
での不透明液の排除能力も良好となる。 Furthermore, as an additional effect, since the liquid path is spiral, the liquid is flashed in a spiral vortex, and the ability to remove the opaque liquid from the observation area is improved.
第１図は従来のフアイバスコープの概要図、第
２図は第１図のフアイバスコープの線Ａ―Ａに沿
つた断面図、第３図および第４図は第１図のフア
イバスコープ先端のキヤツプ取付部分の斜視図お
よび軸方向断面図、第５図および第６図は本考案
によるフアイバスコープの部分破断した先端部の
斜視図、第７図は本考案による可撓性を有する帯
状材をフアイバ束先端部に巻きつけてらせん状ス
ペーサを形成する方法を示す図、第８図は第６図
のフアイバスコープの上方から見た軸方向断面図
である。
１……被覆チユーブ、２……フアイバ束、５…
…液通路、１１……らせん状スペーサ、１２……
可撓性に富む帯状材、１３，１４……リング、１
５……ストツパ。
Figure 1 is a schematic diagram of a conventional fiberscope, Figure 2 is a cross-sectional view of the fiberscope in Figure 1 taken along line A-A, and Figures 3 and 4 are caps at the tip of the fiberscope in Figure 1. A perspective view and an axial sectional view of the attachment part, FIGS. 5 and 6 are perspective views of the partially broken tip of the fiberscope according to the present invention, and FIG. FIG. 8 is an axial cross-sectional view of the fiberscope of FIG. 6 seen from above, showing a method of forming a helical spacer by winding it around the tip of the bundle. 1...Coated tube, 2...Fiber bundle, 5...
...Liquid passage, 11...Spiral spacer, 12...
Highly flexible band material, 13, 14...Ring, 1
5... Stoppa.
Claims (1)
送用のイメージフアイバと、該イメージフアイ
バに併設された照明光伝送用のライトガイドと
からなるフアイバ束と、該フアイバ束を包囲す
る被覆チユーブと、該光学系およびライトガイ
ド前面に透明液体のフラツシユを形成すべく該
被覆チユーブ内壁と該フアイバ束外面とのすき
まに形成された該透明液を導く液通路とを備え
た不透明領域を観察、測定するフアイバスコー
プにおいて、該フアイバ束先端部分に固定され
かつ該液通路内を該フアイバ束軸方向に伸びか
つ可撓性を有する帯状材からなるらせん状スペ
ーサを設けたことを特徴とするフアイバスコー
プ。 (2) 該可撓性を有する帯状材がプラスチツクまた
は塩化ビニルよりなる実用新案登録請求の範囲
第１項のフアイバスコープ。 (3) 該らせん状スペーサが該被覆チユーブ内壁に
接着されてなる実用新案登録請求の範囲第１項
または第２項のフアイバスコープ。 (4) 該らせん状スペーサの両端に位置しかつ該ら
せん状スペーサの該フアイバスコープ軸方向へ
の動きを阻止すべく該被覆チユーブ内壁に固定
されたリングを備えたことを特徴とする実用新
案登録請求の範囲第１項または第２項のフアイ
バスコープ。 (5) 該フアイバ束外面上の該らせん状スペーサ先
端部反対側位置にストツパを設けてなる実用新
案登録請求の範囲第４項のフアイバスコープ。[Claims for Utility Model Registration] (1) A fiber consisting of an image fiber for transmitting an image, which has an optical system for imaging an object at its tip, and a light guide for transmitting illumination light attached to the image fiber. a fiber bundle, a covering tube surrounding the fiber bundle, and guiding the transparent liquid formed in a gap between the inner wall of the covering tube and the outer surface of the fiber bundle to form a flash of transparent liquid in front of the optical system and the light guide. In a fiberscope for observing and measuring an opaque region having a liquid passage, a spiral shaped material is fixed to the tip of the fiber bundle, extends in the liquid passage in the axial direction of the fiber bundle, and is made of a flexible band-like material. A fiberscope characterized by the provision of a spacer. (2) The fiberscope according to claim 1, wherein the flexible strip material is made of plastic or vinyl chloride. (3) The fiberscope according to claim 1 or 2, wherein the helical spacer is adhered to the inner wall of the covering tube. (4) Registration of a utility model characterized by comprising rings located at both ends of the helical spacer and fixed to the inner wall of the covering tube to prevent movement of the helical spacer in the axial direction of the fiberscope. A fiberscope according to claim 1 or 2. (5) The fiberscope according to claim 4, wherein a stopper is provided on the outer surface of the fiber bundle at a position opposite to the tip of the helical spacer.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983054347U JPS59161119U (en) | 1983-04-12 | 1983-04-12 | fiberscope |
| DE8484102942T DE3465164D1 (en) | 1983-03-22 | 1984-03-16 | Fiberscope |
| EP19840102942 EP0119614B2 (en) | 1983-03-22 | 1984-03-16 | Fiberscope |
| CA000450077A CA1212287A (en) | 1983-03-22 | 1984-03-21 | Fiberscope |
| US06/592,980 US4569335A (en) | 1983-04-12 | 1984-03-22 | Fiberscope |
| AU25992/84A AU562156B2 (en) | 1983-03-22 | 1984-03-22 | Fiberscope |
| KR2019840003176U KR870000569Y1 (en) | 1983-04-12 | 1984-04-09 | Fiberscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983054347U JPS59161119U (en) | 1983-04-12 | 1983-04-12 | fiberscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59161119U JPS59161119U (en) | 1984-10-29 |
| JPH0122642Y2 true JPH0122642Y2 (en) | 1989-07-07 |
Family
ID=30184693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983054347U Granted JPS59161119U (en) | 1983-03-22 | 1983-04-12 | fiberscope |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS59161119U (en) |
| KR (1) | KR870000569Y1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7497421B2 (en) * | 2020-03-12 | 2024-06-10 | オリンパス株式会社 | Light guide unit, endoscope system |
-
1983
- 1983-04-12 JP JP1983054347U patent/JPS59161119U/en active Granted
-
1984
- 1984-04-09 KR KR2019840003176U patent/KR870000569Y1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR870000569Y1 (en) | 1987-02-21 |
| JPS59161119U (en) | 1984-10-29 |
| KR840006101U (en) | 1984-11-30 |
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