JPS62299257A - Probe of laser knife - Google Patents
Probe of laser knifeInfo
- Publication number
- JPS62299257A JPS62299257A JP61145120A JP14512086A JPS62299257A JP S62299257 A JPS62299257 A JP S62299257A JP 61145120 A JP61145120 A JP 61145120A JP 14512086 A JP14512086 A JP 14512086A JP S62299257 A JPS62299257 A JP S62299257A
- Authority
- JP
- Japan
- Prior art keywords
- probe
- shielding plate
- laser
- light
- light shielding
- 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.)
- Pending
Links
- 239000000523 sample Substances 0.000 title claims description 35
- 239000013307 optical fiber Substances 0.000 claims description 12
- 210000001519 tissue Anatomy 0.000 description 8
- 210000001124 body fluid Anatomy 0.000 description 6
- 210000004127 vitreous body Anatomy 0.000 description 5
- 239000010839 body fluid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 3
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 210000003786 sclera Anatomy 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002062 proliferating effect Effects 0.000 description 1
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Laser Surgery Devices (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】
３、発明の詳細な説明
産業上の利用分野
本発明はレーザ光を光ファイバで導ひき、人体の治療に
利用されるレーザメスに関するもので、特に光ファイバ
を内蔵したプローブの構造に関するものである。Detailed Description of the Invention 3. Detailed Description of the Invention Industrial Field of Application The present invention relates to a laser scalpel that guides laser light through an optical fiber and is used for treatment of the human body, and particularly relates to a probe with a built-in optical fiber. It is related to the structure of
従来の技術 。Conventional technology.
従来、レーザメスのプローブ構造としては、例えば特開
昭５６−１０４６５３号公報に示されているように、レ
ーザ光の出射開口部に対向して遮光板を設け、生体組織
を切断したレーザビームがその奥の正常組織を照射しな
い構造が用いられている。Conventionally, as a probe structure of a laser scalpel, as shown in Japanese Patent Laid-Open No. 56-104653, a light-shielding plate is provided opposite to the laser beam emission opening, and the laser beam that cuts the living tissue is inserted into the probe structure. A structure is used that does not irradiate normal tissue in the back.
発明が解決しようとする問題点
最近、レーザ光の導光路として光ファイバが用いられる
ようになり、その結果プローブ径を甑めて細くすること
ができるようになった。従来は体の外側からレーザ光を
生体組織に照射するやり方が一般的であったが、前記プ
ローブにより、これを体に刺し入れて、内部から組織を
照射することが試みられるに至った。例えば、眼球（硝
子体）にプローブを刺し込み、硝子体内に発生した増殖
膜を切断することや、膝関節の隙間にプローブを刺し込
み、硬性鏡の観察下で半月板を蒸散させることなどの手
術である。このような手術においても前述の如くプロー
ブに取り付けられた遮光板は正常組織を保護する効果が
ある。しかし体内にプローブを挿入してレーザを照射さ
せるにあたっては従来にない問題点がある。それはグロ
ーブを体内に挿入すを時に、グローブ先端に体液等が付
着してしまうことである。この状態でレーザを照射して
もこの付着物に吸収されてレーザが生体組織に照射され
ない。そればかりか、この付着物が光フアイバ端面やレ
ンズ等に付着したままレーザを照射すると、これらを焼
損してしまうこともある。Problems to be Solved by the Invention Recently, optical fibers have come to be used as light guide paths for laser light, and as a result, the diameter of the probe can be reduced. Conventionally, it has been common practice to irradiate living tissue with laser light from outside the body, but with the use of the probe, attempts have been made to penetrate the body and irradiate the tissue from within. For example, a probe is inserted into the eyeball (vitreous body) to cut the proliferative membrane that has developed within the vitreous body, or a probe is inserted into the gap between the knee joints and the meniscus is ablated under observation using a rigid scope. It's surgery. Even in such surgeries, the light-shielding plate attached to the probe has the effect of protecting normal tissue as described above. However, when inserting a probe into the body and irradiating it with a laser, there are problems that have not been seen before. The problem is that when the glove is inserted into the body, bodily fluids etc. may adhere to the tip of the glove. Even if a laser is irradiated in this state, it will be absorbed by this deposit and the laser will not irradiate the living tissue. Not only that, but if the laser is irradiated with this deposit still attached to the end face of the optical fiber, lens, etc., these may be burnt out.
問題点を解決するだめの手段
本発明は上記問題点を解決するためにプローブ先端に遮
光板を設けるともＫ、これをプローブに対して摺動自在
に構成し、遮光板がプローブ端面に密着した状態ではプ
ローブ端面が遮光板におおわれるようにしたものである
。Means to Solve the Problems In order to solve the above-mentioned problems, the present invention provides a light shielding plate at the tip of the probe, and the light shielding plate is configured to be slidable with respect to the probe, so that the light shielding plate is in close contact with the end face of the probe. In this state, the end face of the probe is covered with a light shielding plate.
作 用 この技術的手段による作用は次のようになる。For production The effect of this technical means is as follows.
プローブを生体内を刺し入れる時には、遮光板をプロー
ブ端面に密着させる。そうすると端面は遮光板によりお
おわれて保護される。この状態で体内に刺し入れると体
液は遮光板には付着するが、プローブ端面には付着しな
い。挿入後は遮光板をスライドさせ、遮光板とグローブ
との間に照射したい生体組織を置きレーザを照射する。When inserting a probe into a living body, a light shielding plate is brought into close contact with the end face of the probe. Then, the end face is covered and protected by the light shielding plate. If the probe is inserted into the body in this state, body fluids will adhere to the light-shielding plate, but not to the end surface of the probe. After insertion, the light-shielding plate is slid, the biological tissue to be irradiated is placed between the light-shielding plate and the glove, and the laser is irradiated.
実施例
以下本発明の一実施例を添付図面にもとづいて説明する
。第３図は本発明によるプローブを用いたレーザメスの
全体図である。１はＣＯ２レーザ発振器で、ここから出
射されたＣＯ２レーザ光は、ＫＲＳ−ｓを成分とする赤
外光ファイバを内蔵した光ケーブル２によって導びかれ
、グローブ３の部分より照射される。第１図は本発明の
要部をなすプローブの断面図である。４は赤外光ファイ
バで、５はこれを保持するためのホルダー、６はこれら
を内蔵するプローブである。７は光ファイバを外部に対
して気密とし、光ファイバの劣化を押さえ、かつ端面を
外部から保護するためのＺｎ５ｅからなるウィンドウで
ある。８は遮光板であり、プローブ７に摺動自在に装着
されている。第１図においては遮光板８はプローブ７の
端面に密着されており、端面を保護している。ここでは
１例として硝子体に適用した場合について説明する。９
は硝子体１ｏを囲む強膜であるが、この一部に小さい切
り口を付け、ここよりプローブを挿入する。硝子体１ｏ
は粘性の液体であるがこれを前もって空気と置換してお
く。１１はレーザ光により切開したい増殖膜である。グ
ローブ挿入時に強膜に付着している体液によりグローブ
先端は濡れるが、端面ば遮光板におおわれているため体
液が付着することはない。グローブを挿入した後、第２
図に示すように遮光板をスライドさせ、プローブとの間
に増殖膜を置きこの状態でレーザを照射し、増殖膜を切
開する。EXAMPLE Hereinafter, an example of the present invention will be described based on the accompanying drawings. FIG. 3 is an overall view of a laser scalpel using a probe according to the present invention. Reference numeral 1 designates a CO2 laser oscillator, and the CO2 laser beam emitted from the CO2 laser oscillator is guided by an optical cable 2 containing an infrared optical fiber containing KRS-s as a component, and is irradiated from a portion of the globe 3. FIG. 1 is a sectional view of a probe that constitutes the essential part of the present invention. 4 is an infrared optical fiber, 5 is a holder for holding this, and 6 is a probe containing these. Reference numeral 7 denotes a window made of Zn5e for making the optical fiber airtight from the outside, suppressing deterioration of the optical fiber, and protecting the end face from the outside. Reference numeral 8 denotes a light shielding plate, which is slidably attached to the probe 7. In FIG. 1, the light shielding plate 8 is closely attached to the end face of the probe 7 to protect the end face. Here, as an example, a case where the method is applied to the vitreous body will be described. 9
A small incision is made in a part of the sclera surrounding the vitreous body 1o, and the probe is inserted through this part. vitreous body 1o
is a viscous liquid, which is replaced with air beforehand. Reference numeral 11 indicates a proliferated membrane to be incised with a laser beam. When the glove is inserted, the tip of the glove gets wet due to body fluids adhering to the sclera, but since the end surface is covered with a light-shielding plate, body fluids do not adhere to the end surface. After inserting the glove, the second
As shown in the figure, slide the light-shielding plate, place the proliferated membrane between it and the probe, and in this state irradiate the laser to cut the proliferated membrane.
本実施例では、グローブ端面にＺｎＳ ｅのウィンドウ
を設けたが、これはレンズの場合もあるし、またこれら
を付けずに直接光ファイバを取り付ける場合もある。In this embodiment, a ZnSe window was provided on the end face of the globe, but this may be a lens, or an optical fiber may be directly attached without such a window.
発明の効果
以上のように本発明では、プローブ先端に遮光板を設け
るとともに、これを摺動自在の構造としてあり、プロー
ブを生体組織に挿入時には遮光板をプローブ先端に密着
させることにより、体液がグローブ端面に付着するのを
防ぎ、ここに設けられた光ファイバ、ウィンドウ、レン
ズ等の光学部品が汚染されることがなく確実にレーザを
照射でき正確な手術ができる。また光学部品に付着した
体液がレーザ光を吸収し光学部品を焼損するといったこ
ともないといった大きな効果がある。Effects of the Invention As described above, in the present invention, a light-shielding plate is provided at the tip of the probe and has a slidable structure, and when the probe is inserted into living tissue, the light-shielding plate is brought into close contact with the tip of the probe, thereby preventing body fluids from leaking out. This prevents the laser from adhering to the end face of the glove and prevents contamination of optical components such as optical fibers, windows, and lenses provided there, allowing reliable laser irradiation and accurate surgery. Further, there is a great effect that bodily fluids adhering to optical parts will not absorb laser light and burn out the optical parts.
第１図は本発明の一実施例におけるレーザメスのグロー
ブの断面図、第２図は同プローブを眼球内に挿入し、遮
光板を離してレーザを照射してい４・・・・・・光ファ
イバ、６・・・・・・プローブ、８・・・・・遮光板。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第２
図
第３図Fig. 1 is a cross-sectional view of the glove of a laser scalpel according to an embodiment of the present invention, and Fig. 2 shows the same probe inserted into the eyeball, the light shielding plate removed, and the laser irradiated. , 6... Probe, 8... Light shielding plate. Name of agent: Patent attorney Toshio Nakao and 1 other person 2nd
Figure 3
Claims (1)
ら出射されたレーザ光を遮光する遮光板を設けるととも
に、前記遮光板がプローブに対して摺動自在に構成され
、遮光板がプローブ端面に密着状態の場合にはプローブ
端面が遮光板におおわれることを特徴とするレーザメス
のプローブ。A light shielding plate is provided at the tip of the probe containing the optical fiber to block the laser light emitted from the optical fiber, and the light shielding plate is configured to be slidable with respect to the probe, and the light shielding plate is in close contact with the end face of the probe. In this case, a laser scalpel probe is characterized in that the end face of the probe is covered with a light shielding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61145120A JPS62299257A (en) | 1986-06-20 | 1986-06-20 | Probe of laser knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61145120A JPS62299257A (en) | 1986-06-20 | 1986-06-20 | Probe of laser knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62299257A true JPS62299257A (en) | 1987-12-26 |
Family
ID=15377858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61145120A Pending JPS62299257A (en) | 1986-06-20 | 1986-06-20 | Probe of laser knife |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62299257A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56152657A (en) * | 1980-04-26 | 1981-11-26 | Asahi Optical Co Ltd | Preventing device for damage of fiber for transmitting laser power |
| JPS56156149A (en) * | 1980-05-01 | 1981-12-02 | Sumitomo Electric Industries | Laser knife |
| JPS5710649U (en) * | 1980-06-17 | 1982-01-20 | ||
| JPS589112B2 (en) * | 1975-07-04 | 1983-02-18 | 中外製薬株式会社 | Pyridopyridazine |
| JPS58185144A (en) * | 1982-04-24 | 1983-10-28 | オリンパス光学工業株式会社 | Laser apparatus for endoscope |
| JPS6063068A (en) * | 1983-09-19 | 1985-04-11 | 富士写真光機株式会社 | Light stinulating apparatus |
-
1986
- 1986-06-20 JP JP61145120A patent/JPS62299257A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS589112B2 (en) * | 1975-07-04 | 1983-02-18 | 中外製薬株式会社 | Pyridopyridazine |
| JPS56152657A (en) * | 1980-04-26 | 1981-11-26 | Asahi Optical Co Ltd | Preventing device for damage of fiber for transmitting laser power |
| JPS56156149A (en) * | 1980-05-01 | 1981-12-02 | Sumitomo Electric Industries | Laser knife |
| JPS5710649U (en) * | 1980-06-17 | 1982-01-20 | ||
| JPS58185144A (en) * | 1982-04-24 | 1983-10-28 | オリンパス光学工業株式会社 | Laser apparatus for endoscope |
| JPS6063068A (en) * | 1983-09-19 | 1985-04-11 | 富士写真光機株式会社 | Light stinulating apparatus |
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