JPH0235722U - - Google Patents
Info
- Publication number
- JPH0235722U JPH0235722U JP11370488U JP11370488U JPH0235722U JP H0235722 U JPH0235722 U JP H0235722U JP 11370488 U JP11370488 U JP 11370488U JP 11370488 U JP11370488 U JP 11370488U JP H0235722 U JPH0235722 U JP H0235722U
- Authority
- JP
- Japan
- Prior art keywords
- affected area
- suction tube
- optical fiber
- intraocular
- removal device
- 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
- 239000013307 optical fiber Substances 0.000 claims description 8
- 230000002262 irrigation Effects 0.000 claims description 3
- 238000003973 irrigation Methods 0.000 claims description 3
- 201000010099 disease Diseases 0.000 claims description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims 3
- 210000005252 bulbus oculi Anatomy 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
- 210000000695 crystalline len Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Laser Surgery Devices (AREA)
Description
第１図は本考案の第１実施例による眼球内患部
除去装置の先端部分の縦断面図、第２図は第１図
の―線に沿つた横断面図、第３図は凹面鏡の
斜視図、第４図は本装置の使用状態を示す概略図
、第５図は第２の実施例による眼球内患部除去装
置の先端部分の縦断面図である。
１…吸引チユーブ、１ａ…吸引チユーブの先端
開口、２…屈折率分布型光フアイバ、２ａ…光フ
アイバの先端部分、３…潅流通路、４，４′…焦
点、５…凹面鏡、６…軸、Ａ…眼球内患部除去装
置、Ｂ…水晶体。
Fig. 1 is a longitudinal sectional view of the distal end portion of the intraocular disease removal device according to the first embodiment of the present invention, Fig. 2 is a transverse sectional view taken along the line - - in Fig. 1, and Fig. 3 is a perspective view of the concave mirror. , FIG. 4 is a schematic diagram showing the state of use of this device, and FIG. 5 is a longitudinal sectional view of the distal end portion of the intraocular diseased part removal device according to the second embodiment. DESCRIPTION OF SYMBOLS 1... Suction tube, 1a... Tip opening of suction tube, 2... Gradient index optical fiber, 2a... Tip portion of optical fiber, 3... Irrigation passage, 4, 4'... Focal point, 5... Concave mirror, 6... Axis, A... Intraocular affected part removal device, B... Crystalline lens.
Claims (1)
、 この吸引チユーブに併設された、レーザ光を患
部に照射するための光フアイバと、 同様に吸引チユーブに併設された、潅流液を患
部範囲に供給するための潅流通路とを備えた眼球
内患部の除去装置において、 レーザ光を患部に照射するための光フアイバが
屈折率分布型光フアイバであることを特徴とする
眼球内患部の除去装置。 ２ 光フアイバが複数本並べて線状に配列されて
いることを特徴とする、請求項１記載の眼球内患
部の除去装置。 ３ レーザ光を反射させるための凹面鏡が吸引チ
ユーブの先端部分に取付けられ、この凹面鏡が、
反射させた光を再び集光させるために、円筒状の
反射面を有することを特徴とする、請求項１また
は請求項２記載の眼球内患部の除去装置。 ４ 吸引チユーブの先端開口が吸引チユーブの中
心軸線に対して斜めに設けられ、これに応じて光
フアイバの先端部分が傾斜していることを特徴と
する、請求項１から請求項３までのいずれか一つ
に記載の眼球内患部の除去装置。[Scope of Claim for Utility Model Registration] 1. A suction tube for suctioning the affected area within the eyeball; an optical fiber attached to the suction tube for irradiating the affected area with laser light; and an optical fiber attached to the suction tube for irradiating the affected area with laser light , an apparatus for removing an intraocular affected area, which is equipped with an irrigation passage for supplying irrigation fluid to the affected area, characterized in that the optical fiber for irradiating the affected area with laser light is a gradient index optical fiber. Removal device for the affected area inside the eyeball. 2. The intraocular affected part removal device according to claim 1, characterized in that a plurality of optical fibers are arranged in a line. 3 A concave mirror is attached to the tip of the suction tube to reflect the laser beam, and this concave mirror
3. The intraocular disease removal device according to claim 1, further comprising a cylindrical reflecting surface for refocusing the reflected light. 4. Any one of claims 1 to 3, characterized in that the distal end opening of the suction tube is provided obliquely with respect to the central axis of the suction tube, and the distal end portion of the optical fiber is inclined accordingly. 2. The intraocular diseased part removal device according to any one of the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11370488U JPH0235722U (en) | 1988-08-30 | 1988-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11370488U JPH0235722U (en) | 1988-08-30 | 1988-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0235722U true JPH0235722U (en) | 1990-03-08 |
Family
ID=31353778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11370488U Pending JPH0235722U (en) | 1988-08-30 | 1988-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0235722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016501631A (en) * | 2012-12-21 | 2016-01-21 | アルコン リサーチ， リミテッド | GRIN fiber multi-point laser probe |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58133248A (en) * | 1982-01-29 | 1983-08-08 | オリンパス光学工業株式会社 | Laser irradiating apparatus |
-
1988
- 1988-08-30 JP JP11370488U patent/JPH0235722U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58133248A (en) * | 1982-01-29 | 1983-08-08 | オリンパス光学工業株式会社 | Laser irradiating apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016501631A (en) * | 2012-12-21 | 2016-01-21 | アルコン リサーチ， リミテッド | GRIN fiber multi-point laser probe |
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