JPH0333808A - Laser light transmission device - Google Patents
Laser light transmission deviceInfo
- Publication number
- JPH0333808A JPH0333808A JP16907489A JP16907489A JPH0333808A JP H0333808 A JPH0333808 A JP H0333808A JP 16907489 A JP16907489 A JP 16907489A JP 16907489 A JP16907489 A JP 16907489A JP H0333808 A JPH0333808 A JP H0333808A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- laser light
- adapter
- gas
- gas flow
- 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
- 230000005540 biological transmission Effects 0.000 title claims abstract description 22
- 239000013307 optical fiber Substances 0.000 claims abstract description 38
- 239000000523 sample Substances 0.000 abstract description 12
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract 2
- 238000006731 degradation reaction Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 28
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 229910052691 Erbium Inorganic materials 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000112 cooling gas Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Lasers (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は、レーザ光源から出射したレーザ光を光ファイ
バによってレーザプローブ等のレーザ光射出装置に導く
レーザ光伝送装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a laser beam transmission device that guides laser light emitted from a laser light source to a laser beam emitting device such as a laser probe through an optical fiber.
［従来の技術］
工業製品の加工に用いられるレーザ加工装置、あるいは
、医療分野におけるレーザメス等においては、レーザ光
源から出射したレーザ光をレーザプローブ等のレーザ光
射出装置に導いて該レーザ光射出装置からレーザ光を出
射して加工対象物、あるいは、患部にレーザ光を照射し
、所望の加工あるいは手術等を行っている。この場合、
前記レーザ光源からレーザ光射出装置までレーザ光を伝
送させるために、光ファイバを用いたレーザ光伝送装置
が用いられる。[Prior Art] In laser processing equipment used for processing industrial products or laser scalpels in the medical field, laser light emitted from a laser light source is guided to a laser light emitting device such as a laser probe. Laser light is emitted from the machine to irradiate the object to be processed or the affected area to perform desired processing or surgery. in this case,
A laser beam transmission device using an optical fiber is used to transmit the laser beam from the laser light source to the laser beam emitting device.
このレーザ光伝送装置は、一般に、レーザ光源からのレ
ーザ光を光ファイバに導入する部分たる入射コネクタ部
と、この光ファイバに導入されたレーザ光をレーザプロ
ーブ等に伝える部分たる出射コネクタ部とから構成され
ている。This laser beam transmission device generally consists of an input connector part that is a part that introduces laser light from a laser light source into an optical fiber, and an output connector part that is a part that transmits the laser light introduced into the optical fiber to a laser probe or the like. It is configured.
ところで、前記レーザ加工装置あるいはレーザメス等に
よる加工あるいは手術の際に、前記出射コネクタ部やレ
ーザプローブ等のレーザ光射出装置が加熱されることか
ら、これを冷却する必要が生ずる場合がある。By the way, during processing or surgery using the laser processing device or the laser scalpel, the laser beam emitting device such as the emitting connector portion or the laser probe is heated, and therefore it may be necessary to cool it down.
このため、従来から、前記レーザ光伝送装置として、前
記光ファイバを管体に収納し、この管体に、前記入射コ
ネクタ部付近から冷却用気体を導入して前出射コネクタ
部近傍に導き、該出射コネクタ部あるいはレーザプロー
ブ等にこの冷却用気体を吹き付けて冷却するようにした
ものが知られている。For this reason, conventionally, as the laser beam transmission device, the optical fiber is housed in a tube, and a cooling gas is introduced into the tube from near the input connector and guided to the vicinity of the front output connector. A device is known in which the cooling gas is blown onto the output connector section, the laser probe, etc. for cooling.
［発明が解決しようとする課題］
しかしながら、上述の従来のレーザ光伝送装置によって
、例えば、近年用いられるようになってきたエルビウム
レーザ光の伝送を行うと、伝送効率が不十分となったり
、あるいは、前記出射コネクタ部の冷却が十分に行われ
ないとともに、前記入射コネクタ部の近傍までもが加熱
されて光ファイバを破損するおそれがある等の不都合が
生ずることが判明した。[Problems to be Solved by the Invention] However, when the above-mentioned conventional laser light transmission device transmits, for example, erbium laser light that has been used in recent years, the transmission efficiency may be insufficient, or It has been found that the output connector section is not sufficiently cooled, and the vicinity of the input connector section is also heated, which may cause damage to the optical fiber.
これは、前記エルビウムレーザ光の波長が２．９４μｍ
であって、水の吸収ピーク付近にあることがら、使用時
の湿度によっては、前記出射コネクタ部もしくは入射コ
ネクタ部にある光フアイバ端面に付着した大気中の水分
によって前記エルビウムレーザ光が吸収されて伝送効率
が低下し、あるいは、発熱するためである。This is because the wavelength of the erbium laser beam is 2.94 μm.
Since the absorption peak of water is near, depending on the humidity during use, the erbium laser light may be absorbed by atmospheric moisture adhering to the end face of the optical fiber at the output connector section or the input connector section. This is because transmission efficiency decreases or heat is generated.
本発明は、上述の背景のもとでなされたものであり、伝
送通路中に雰囲気中の水分が介在することによる伝送効
率の低下を防止し、がっ、入射コネクタ部及び出射コネ
クタ部を十分に冷却することを可能にした光伝送装置を
提供することを目的としたものである。The present invention was made against the above-mentioned background, and prevents a decrease in transmission efficiency due to the presence of moisture in the atmosphere in the transmission path. The object of the present invention is to provide an optical transmission device that can be cooled to a high temperature.
［課題を解決するための手段］
本発明は、以下の構成とすることにより上述の課題を解
決している。[Means for Solving the Problems] The present invention solves the above problems by having the following configuration.
レーザ光源から出射したレーザ光をレーザ光射出装置に
導くレーザ光伝送装置であって、レーザ光を伝送する光
ファイバと、
レーザ光源からのレーザ光を前記光ファイバに導入する
入射コネクタ部と、
前記光ファイバに導入されたレーザ光を前記レーザ光射
出装置伝える出射コネクタ部とを有し、前記入射コネク
タ部及び出射コネクタ部における前記光ファイバの端面
に乾燥気体を接触させるように該乾燥気体を導く気体流
通路を設けたことを特徴とする
構成９
［作用コ
上述の構成によれば、前記入射コネクタ部及び出射コネ
クタ部における光フアイバ端面に乾燥気体が接触される
から、これらコネクタ部にある光ファイバの端面に水分
が付着するおそれがない。A laser light transmission device that guides laser light emitted from a laser light source to a laser light emitting device, the device comprising: an optical fiber that transmits the laser light; an input connector section that introduces the laser light from the laser light source into the optical fiber; an output connector section that transmits the laser beam introduced into the optical fiber to the laser beam emitting device, and guides the dry gas so that it comes into contact with the end faces of the optical fiber at the input connector section and the output connector section. Configuration 9 characterized by providing a gas flow passage [Operation] According to the above-described configuration, the dry gas is brought into contact with the end faces of the optical fibers in the input connector portion and the output connector portion, so that the light in these connector portions is There is no risk of moisture adhering to the end face of the fiber.
したがって、水分によるレーザ光の吸収がないからそれ
に伴なう伝送効率の低下や発熱がない。しかも、その他
の原因による発熱も、前記導かれた乾燥気体によって有
効に冷却することが可能となる。Therefore, since there is no absorption of laser light by moisture, there is no accompanying reduction in transmission efficiency or heat generation. Moreover, heat generated due to other causes can be effectively cooled down by the guided dry gas.
［実施例］
第１図は本発明の一実施例に係るレーザ光伝送装置の一
部破断断面図、第２図は一実施例の部分分解斜視図、第
３図は第２図におけるＡ部域大部分断面図である。以下
、これらの図を参照しながら一実施例を詳述する。[Example] Fig. 1 is a partially cutaway sectional view of a laser beam transmission device according to an embodiment of the present invention, Fig. 2 is a partially exploded perspective view of the embodiment, and Fig. 3 is a section A in Fig. 2. It is a sectional view of most of the area. Hereinafter, one embodiment will be described in detail with reference to these figures.
図において、符号１は光フアイバケーブル、符号２は入
射コネクタ部、符号３は出射コネクタ部符号４はアダプ
タ、符号４１は気体流通管、符号５はアダプタ保持体、
符号６はレンズ保持体、符号７は基台である。In the figure, 1 is an optical fiber cable, 2 is an input connector, 3 is an output connector, 4 is an adapter, 41 is a gas flow pipe, 5 is an adapter holder,
Reference numeral 6 is a lens holder, and reference numeral 7 is a base.
前記光フアイバケーブル１は、フッ化物光フアイバ１ａ
にアクリル樹脂膜１ｂを被覆し７（第３図参照〉、これ
を金属管１ｃに挿入して機械的強度を得るようにしたも
のである。なお、前記アクリル樹脂ＪｆＫ１ｂと金属管
１ｃの内壁との間隙は数十μｍである。The optical fiber cable 1 includes a fluoride optical fiber 1a.
The acrylic resin film 1b is coated 7 (see Fig. 3), and this is inserted into the metal tube 1c to obtain mechanical strength.The acrylic resin JfK 1b and the inner wall of the metal tube 1c are The gap is several tens of μm.
前記入射コネクタ部２は、前記光フアイバケーブル１の
一端部（図中左端部〉を保持して前記アダプタ４の一端
部（図中左端部〉に固定するもので、ケーブル挿入軸２
ａと、軸固定キャップ２ｂ及びケーブル固定キャップ２
ｃからなる。すなわち、前記ケーブル挿入軸２ａに前記
光フアイバケーブル１を挿入して前記ケーブル固定キャ
ップ２ｂによって固定し、前記光フアイバケーブル１の
フッ化物光フアイバ１ａの端面を前記ケーブル挿入軸２
ａの端面から露出させる。The input connector part 2 holds one end part (left end part in the figure) of the optical fiber cable 1 and fixes it to one end part (left end part in the figure) of the adapter 4.
a, shaft fixing cap 2b and cable fixing cap 2
Consists of c. That is, the optical fiber cable 1 is inserted into the cable insertion shaft 2a and fixed by the cable fixing cap 2b, and the end face of the fluoride optical fiber 1a of the optical fiber cable 1 is inserted into the cable insertion shaft 2.
Expose from the end face of a.
また、前記ケーブル挿入軸２ａの図中左端部寄の部位に
はフランジ部２１ａが設けられ、このフランジ部２１ａ
によって図中右側に形成される段差部と前記軸固定キャ
ップ２ｂの内面との間に圧縮コイルスプリング２１ｂが
介在される。なお、前記ケーブル挿入軸２ａの図中右端
部寄りの部位には前記軸固定キャップのストッパー２２
ａが設けられている。すなわち、前記軸固定キャップ２
ｂを前記アダプタ４の左端部内面に突設された入射コネ
クタ固定ねじ部４ａに捩じ込むことにより前記圧縮コイ
ルスプリング２１ｂの付勢力により、前記ケーブル挿入
軸２ａを前記アダプタ４の左端部内面に圧接し、これに
より、前記入射コネクタ部２を前記アダプタ４に固定す
るものである。Further, a flange portion 21a is provided at a portion of the cable insertion shaft 2a near the left end in the figure, and this flange portion 21a
A compression coil spring 21b is interposed between the stepped portion formed on the right side in the figure and the inner surface of the shaft fixing cap 2b. Note that a stopper 22 of the shaft fixing cap is located at a portion of the cable insertion shaft 2a near the right end in the figure.
A is provided. That is, the shaft fixing cap 2
By screwing b into the input connector fixing screw portion 4a protruding from the inner surface of the left end of the adapter 4, the cable insertion shaft 2a is inserted into the inner surface of the left end of the adapter 4 by the biasing force of the compression coil spring 21b. The injection connector portion 2 is pressed into contact with the adapter 4, thereby fixing the input connector portion 2 to the adapter 4.
前記アダプタ４は、略有底の円筒状体であり、図中左端
部底面に上述した入射コネクタ固定ねじ部４ａが設けら
れている。この入射コネクタ固定ねじ部４ａの中心部に
は、前記入射コネクタ部２のケーブル挿入軸２ａを挿入
する貫通孔４ｂが形成されているとともに、前記入射コ
ネクタ固定ねじ部４ａの近傍に貫通孔である２つの気体
流通孔４ｃ、４ｃが設けられている。The adapter 4 is a substantially bottomed cylindrical body, and the above-mentioned input connector fixing screw portion 4a is provided on the bottom surface of the left end in the figure. A through hole 4b into which the cable insertion shaft 2a of the input connector part 2 is inserted is formed in the center of the input connector fixing screw part 4a, and a through hole 4b is formed in the vicinity of the input connector fixing screw part 4a. Two gas flow holes 4c, 4c are provided.
また、前記アダプタ４の左端部底面近傍の測面部には前
記入射コネクタ部２の軸固定キャップ２ｂを外側から操
作可能な程度の大きさを有する２つの操作孔４ｄ、４ｄ
が相対向するように設けられている。Further, in the surface measuring section near the bottom surface of the left end of the adapter 4, there are two operation holes 4d, 4d having a size that allows the shaft fixing cap 2b of the input connector section 2 to be operated from the outside.
are provided so as to face each other.
さらに、前記アダプタ４の図中右方よりの部位には所定
の間隔をおいて第１及び第２の鍔部４ｅ及び４ｆが形成
されている。また、これら鍔部４ｅと４ｆとの間にアダ
プタ固定キャップ４ｇが嵌合され、このアダプタ固定キ
ャップ４ｇと前記第１の鍔部４ｅとの間に圧縮コイルス
プリング４ｈが介在されている。前記第２の鍔部４ｆは
、前記アダプタ固定キャップ４ｇが圧縮コイルスプリン
グ４ｈの作用により外部に飛び出すのを防止するストッ
パーである。Furthermore, first and second flange portions 4e and 4f are formed at a predetermined distance from each other at a portion of the adapter 4 from the right side in the figure. Further, an adapter fixing cap 4g is fitted between the flanges 4e and 4f, and a compression coil spring 4h is interposed between the adapter fixing cap 4g and the first flanges 4e. The second flange 4f is a stopper that prevents the adapter fixing cap 4g from jumping out due to the action of the compression coil spring 4h.
前記気体流通管４１はフッ素樹脂からなり、前記アダプ
タ４の内径とほぼ等しい外径を有し、−端部、すなわち
、図中左端部が前記アダプタに挿通されて気体流通管固
定キャップ４１ａにより固定される。また、この気体流
通管４１の他端部、すなわち、図中右端部にはケーブル
固定金具３工が挿入固定されている。このケーブル固定
金具３１には、その中心軸に沿って形成されたケーブル
固定孔に前記光フアイバケーブル１が挿入固定されると
ともに、図中右方に突出して設けられたプローブ固定ね
じ部３１ａにレーザプローブ３２を固定するプローブ固
定キャップ３３が螺合固定される。前記ケーブル固定金
具３１にはその軸方向に沿って気体を流通させる気体流
通孔３１ｂが形成され、また、前記プローブ固定キャッ
プ３３には外部に気体を排出するための気体排出孔３３
ａが設けられている。さらに、この実施例では、前記ケ
ーブル固定金具３１の気体流通孔３１ｂが形成された部
位に、外部に連通ずる貫通孔３１ｃが設けられ、この貫
通孔３１ｃから必要に応じて他の乾燥気体を導入したり
、あるいは、洗浄用流体を導入できるようになっている
。なお、この貫通孔３１ｃは、通常は、栓部材３１ｄに
よって密封される。また、前記光フアイバケーブル１に
おける前記ケーブル固定金具３１によって固定された先
端部から光フアイバ１ａが突出して露出されており、該
光フアイバ１ａの端面が前記レーザプローブの端面と所
定の間隙をおいて相対向するようになっている。The gas flow pipe 41 is made of fluororesin and has an outer diameter approximately equal to the inner diameter of the adapter 4, and the - end, that is, the left end in the figure, is inserted into the adapter and fixed by the gas flow pipe fixing cap 41a. be done. Furthermore, three cable fixing fittings are inserted and fixed at the other end of the gas flow pipe 41, that is, at the right end in the figure. The optical fiber cable 1 is inserted and fixed into the cable fixing hole formed along the central axis of the cable fixing fitting 31, and the laser beam is attached to the probe fixing screw portion 31a provided protruding rightward in the figure. A probe fixing cap 33 for fixing the probe 32 is screwed and fixed. The cable fixing fitting 31 is formed with a gas circulation hole 31b for distributing gas along its axial direction, and the probe fixing cap 33 is provided with a gas discharge hole 33 for discharging gas to the outside.
A is provided. Further, in this embodiment, a through hole 31c communicating with the outside is provided in the portion of the cable fixing fitting 31 where the gas flow hole 31b is formed, and other dry gas is introduced from this through hole 31c as necessary. Alternatively, cleaning fluid can be introduced. Note that this through hole 31c is normally sealed with a plug member 31d. Further, the optical fiber 1a is projected and exposed from the tip portion of the optical fiber cable 1 fixed by the cable fixing fitting 31, and the end face of the optical fiber 1a is spaced from the end face of the laser probe with a predetermined gap. They are facing each other.
前記アダプタ保持体５は、板状基部５ａの一部を図中左
方に比較的大きく突出させて第１突出部５ｂを形成し、
一方、図中右方にわずかに突出させて第２突出部５ｃを
形成してこれら突出部に前記アダプタ４を収納するアダ
プタ収納孔５ｄを設けたものである。この場合、前記第
２突出部５Ｃの外周面にアダプタ固定用ねじ溝５１ｃを
形成するとともに、その円形開口部に沿って円形溝５１
ｂを形成してこの円形溝５１ｃに前記アダプタ４の第１
鍔部４ｅを嵌め込めるようにしている。そして、前記円
形溝５１ｃから外周に向けてその一部を切り欠いて位置
決切欠部５１ｄを形成し、−にすぐれる。The adapter holder 5 has a part of the plate-like base 5a that protrudes relatively largely to the left in the figure to form a first protrusion 5b,
On the other hand, second protrusions 5c are formed to protrude slightly to the right in the figure, and adapter storage holes 5d for accommodating the adapter 4 are provided in these protrusions. In this case, an adapter fixing screw groove 51c is formed on the outer peripheral surface of the second protrusion 5C, and a circular groove 51c is formed along the circular opening.
b, and the first circular groove 51c of the adapter 4 is formed in the circular groove 51c.
The flange 4e can be fitted into it. Then, a positioning notch 51d is formed by cutting out a part of the circular groove 51c toward the outer periphery.
なお、前記一実施例では、乾燥気体の流通路を１つの流
通路によって形成した例を掲げたが、これは、例えば、
入射コネクタ部における光ファイバの端面に乾燥気体を
導く気体流通路と、出射コネクタ部における光ファイバ
の端面に乾燥気体を導く気体流通路とを別々の流通路で
構成してもよい。In the above embodiment, the dry gas flow path is formed by one flow path, but for example,
The gas flow passage that guides the dry gas to the end face of the optical fiber in the input connector part and the gas flow passage that guides the dry gas to the end face of the optical fiber in the output connector part may be configured as separate flow passages.
また、前記一実施例では、光ファイバとしてフッ化物光
ファイバを用いる例を掲げたが、これは例えば、サファ
イヤファイバを用いてもよい。Further, in the above embodiment, a fluoride optical fiber is used as the optical fiber, but for example, a sapphire fiber may be used instead.
また、乾燥気体としては、乾燥空気以外にも、レーザ光
に対して吸収が少なく、化学的に安定な乾燥気体、例え
ば、乾燥窒素、乾燥炭酸ガス等でもよい。なお、乾燥気
体は、湿度２０％以下、温度４０℃以下であることが好
ましい。In addition to dry air, the dry gas may also be a dry gas that absorbs little laser light and is chemically stable, such as dry nitrogen or dry carbon dioxide. Note that the dry gas preferably has a humidity of 20% or less and a temperature of 40° C. or less.
［発明の効果］
以上詳述したように、本発明は、要するに、入射コネク
タ部及び出射コネクタ部における光ファイバの少なくと
も各端面に乾燥気体を接触させるように該乾燥気体を導
く気体流通路を設けたものであり、これにより、光ファ
イバの端面に雰囲気中の水分が介在することによる伝送
効率の低下を防止し、かつ、入射コネクタ部及び出射コ
ネクタ部を冷却することを可能にした光伝送装置を得て
いるものである。[Effects of the Invention] As described above in detail, the present invention provides a gas flow path for guiding the dry gas so as to bring the dry gas into contact with at least each end face of the optical fiber in the input connector portion and the output connector portion. This is an optical transmission device that prevents a decrease in transmission efficiency due to the presence of moisture in the atmosphere on the end face of an optical fiber, and also makes it possible to cool the input connector section and the output connector section. This is what you are getting.
【図面の簡単な説明】
第工図は本発明の一実施例に係るレーザ光伝送装置の一
部破断断面図、第２図は一実施例の部分分解斜視図、第
３図は第２図におけるＡ部拡大部分断面図である。
１・・・光フアイバケーブル、２・・・入射コネクタ部
、３・・・出射コネクタ部、４・・・アダプタ、５・・
・アダプタ保持体、５ｄ・・・アダプタ収納孔、５４・
・・乾燥気体導入口、３２・・・レーザプローブ、４１
・・・気体流通管９[Brief Description of the Drawings] The first construction drawing is a partially cutaway sectional view of a laser beam transmission device according to an embodiment of the present invention, FIG. 2 is a partially exploded perspective view of one embodiment, and FIG. FIG. 2 is an enlarged partial sectional view of section A in FIG. DESCRIPTION OF SYMBOLS 1... Optical fiber cable, 2... Input connector part, 3... Output connector part, 4... Adapter, 5...
・Adapter holding body, 5d...Adapter storage hole, 54・
... Dry gas inlet, 32 ... Laser probe, 41
...Gas flow pipe 9
Claims (1)
導くレーザ光伝送装置であって、 レーザ光を伝送する光ファイバと、 レーザ光源からのレーザ光を前記光ファイバに導入する
入射コネクタ部と、 前記光ファイバに導入されたレーザ光を前記レーザ光射
出装置に伝える出射コネクタ部とを有し、前記入射コネ
クタ部及び出射コネクタ部における前記光ファイバの少
なくとも各端面に乾燥気体を接触させるように該乾燥気
体を導く気体流通路を設けたことを特徴とするレーザ光
伝送装置。[Claims] A laser light transmission device that guides laser light emitted from a laser light source to a laser light emitting device, comprising: an optical fiber that transmits the laser light; and a laser light source that introduces the laser light from the laser light source into the optical fiber. It has an input connector section and an output connector section that transmits the laser light introduced into the optical fiber to the laser beam emitting device, and supplies dry gas to at least each end surface of the optical fiber in the input connector section and the output connector section. A laser beam transmission device characterized in that a gas flow path is provided for guiding the dry gas so as to bring the dry gas into contact with the gas flow path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1169074A JP2940940B2 (en) | 1989-06-30 | 1989-06-30 | Laser light transmission device and medical laser device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1169074A JP2940940B2 (en) | 1989-06-30 | 1989-06-30 | Laser light transmission device and medical laser device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0333808A true JPH0333808A (en) | 1991-02-14 |
| JP2940940B2 JP2940940B2 (en) | 1999-08-25 |
Family
ID=15879844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1169074A Expired - Lifetime JP2940940B2 (en) | 1989-06-30 | 1989-06-30 | Laser light transmission device and medical laser device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2940940B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008011868A2 (en) * | 2006-07-22 | 2008-01-31 | Roland Berger | Air-cooled plug part for an optical waveguide |
| JP2008185198A (en) * | 2007-01-31 | 2008-08-14 | Nitto Seiko Co Ltd | Decorative washer |
| US7503701B2 (en) * | 2005-04-18 | 2009-03-17 | Dornier Medtech Laser Gmbh | Systems and methods for cleaning an optical fibre |
| US8114068B2 (en) | 2006-10-17 | 2012-02-14 | Dornier Medtech Laser Gmbh | Light guide |
| US9149334B2 (en) | 2008-04-25 | 2015-10-06 | Dornier Medtech Laser Gmbh | Light-based method for the endovascular treatment of pathologically altered blood vessels |
| CN114256723A (en) * | 2021-08-26 | 2022-03-29 | 北京工业大学 | 2-5 mu m waveband cascade soft glass fiber mid-infrared broad spectrum laser |
-
1989
- 1989-06-30 JP JP1169074A patent/JP2940940B2/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7503701B2 (en) * | 2005-04-18 | 2009-03-17 | Dornier Medtech Laser Gmbh | Systems and methods for cleaning an optical fibre |
| WO2008011868A2 (en) * | 2006-07-22 | 2008-01-31 | Roland Berger | Air-cooled plug part for an optical waveguide |
| WO2008011868A3 (en) * | 2006-07-22 | 2008-04-03 | Roland Berger | Air-cooled plug part for an optical waveguide |
| US8137004B2 (en) | 2006-07-22 | 2012-03-20 | Roland Berger | Air-cooled plug part for an optical waveguide |
| US8114068B2 (en) | 2006-10-17 | 2012-02-14 | Dornier Medtech Laser Gmbh | Light guide |
| JP2008185198A (en) * | 2007-01-31 | 2008-08-14 | Nitto Seiko Co Ltd | Decorative washer |
| US9149334B2 (en) | 2008-04-25 | 2015-10-06 | Dornier Medtech Laser Gmbh | Light-based method for the endovascular treatment of pathologically altered blood vessels |
| US9168098B2 (en) | 2008-04-25 | 2015-10-27 | Dornier Medtech Laser Gmbh | Light-based method for the endovascular treatment of pathologically altered blood vessels |
| CN114256723A (en) * | 2021-08-26 | 2022-03-29 | 北京工业大学 | 2-5 mu m waveband cascade soft glass fiber mid-infrared broad spectrum laser |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2940940B2 (en) | 1999-08-25 |
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