JPS6096242A - Optical system for laser treating and observing apparatus - Google Patents
Optical system for laser treating and observing apparatusInfo
- Publication number
- JPS6096242A JPS6096242A JP59204195A JP20419584A JPS6096242A JP S6096242 A JPS6096242 A JP S6096242A JP 59204195 A JP59204195 A JP 59204195A JP 20419584 A JP20419584 A JP 20419584A JP S6096242 A JPS6096242 A JP S6096242A
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- laser
- observation
- wavelength
- objective lens
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Optics & Photonics (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Laser Surgery Devices (AREA)
- Radiation-Therapy Devices (AREA)
- Eye Examination Apparatus (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Lenses (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】
産業上の利用分野
本発明は、レーザ光線を観察光路に向けて反射する転向
反射鏡を有するレーザ治療及び観察装置用の光学系に関
する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an optical system for a laser therapy and observation device having a turning reflector for reflecting a laser beam towards an observation optical path.
従来の技術
レーザ光は例えば眼の治療目的のために使用される。米
国特許第３７６９９６３号明細書には、治療目的のため
にレーザシステムと結合することができる手術用顕微鏡
が記載されている。BACKGROUND OF THE INVENTION Laser light is used, for example, for eye treatment purposes. US Pat. No. 3,769,963 describes a surgical microscope that can be combined with a laser system for therapeutic purposes.
この公知装置では、治療用レーザ光線は手術用顕微鏡の
外部を導びかれる。In this known device, the therapeutic laser beam is guided outside the surgical microscope.
発明が解決しようとする問題点
フン・セクトな構造の装置のだめには、レーザ光線を観
察装置の光学系を経て導びくことか所望される。しかし
、この場合には、治療光と観察光の波長が異なっている
ために使用される波長範囲に関して著しい焦点差が生じ
るという問題点が生じる。Problems to be Solved by the Invention In devices having a relatively sectarian structure, it is desirable to guide the laser beam through the optical system of the observation device. However, in this case, a problem arises in that the treatment light and the observation light have different wavelengths, resulting in a significant focus difference in the wavelength range used.
従って、本発明の課題は、結像光学系を使用する際に種
々の波長範囲に関して生じる焦点差を補償する光学系を
提供することであった。It was therefore an object of the present invention to provide an optical system which compensates for focal differences that occur with respect to different wavelength ranges when using imaging optics.
問題点を解決するだめの手段
前記課題は、本発明により、転向反射鏡３が観察装置の
主対物レンズ牛と接眼レンズ５との間に配置されており
かつ観察方向で見て、転向反射鏡３の前方にレーザ光と
観察光の焦点差を補償するだめの補正光学系６が配置さ
れていることにより解決される。Means for Solving the Problem The object of the invention is that the turning reflector 3 is arranged between the main objective lens of the observation device and the eyepiece 5, and when viewed in the observation direction, the turning reflector 3 This problem is solved by disposing a correction optical system 6 in front of the laser beam 3 for compensating for the focal difference between the laser beam and the observation light.
本発明の有利な１実施態様に」：れば、レーザ治療光線
の波長λ１＝１０６４ｎｍ、レーデ照準光線の波長λ２
＝６３３ｎｍ及び観察光の波長４８０〜６４４ｎｍであ
る場合、対物レンズがデータ ：ｓ ＝−１１９，４（
ｎ ） （νｄ）ｄ
ｒ１＝ ４８６．９７
ｄ１＝７ Ｔ１１＝１．６２０９ シ１＝６０．３ｒ２
−−１０５９３
ｄ２＝０．３
ｒｓ” ４２７．８１
ｄ３＝４ ｎ３””１．８０５２ ν３＝２５．４ｒ
４”” ７ Ｂ、２９８
ｄ ４＝０．３
ｒ５＝ ７９．７１９
ｄ５＝７．７ ｎ５＝１．５５３２ １１５＝６３．５
ｒ６＝−２２７，１２
ｓｌ＝■
を有しかつ補正光学系がデータ
ｓｌ−ω （ｎｄ）（ν、）
ｒ ＝４３７．２５
ｄ１＝Ｔ ｎ １＝１．８０５２ ν１＝２５．４ｒ
＝ −９１，０７
ｄ ２ ”７ ｎ ２＝１．６１７７ ν２ ＝４９．
８ｒ ＝−１７０，３１
ｓ／−ω
を有する。In one advantageous embodiment of the invention: if the wavelength λ1 of the laser treatment beam = 1064 nm, the wavelength λ2 of the laser aiming beam
= 633 nm and the wavelength of the observation light is 480 to 644 nm, the objective lens has data: s = -119,4(
n) (νd)d r1= 486.97 d1=7 T11=1.6209 Si1=60.3r2
--10593 d2=0.3 rs" 427.81 d3=4 n3""1.8052 ν3=25.4r
4”” 7 B, 298 d 4=0.3 r5= 79.719 d5=7.7 n5=1.5532 115=63.5
r6=-227,12 sl=■ and the correction optical system has data sl-ω (nd)(ν,) r=437.25 d1=T n 1=1.8052 ν1=25.4r
= −91,07 d 2 ”7 n 2 = 1.6177 ν2 = 49.
8r = -170,31 s/-ω.
発明の効果
本発明で達成される利点は、特に治療目的のために必要
なレーザ光線を市販の診断装置の光学系によって誘導す
ることができ、しかも画像の劣化を甘受する必要がなく
、かつ観察装置の光学系を経てレーザ光線を導びくこと
によりレーザ治療装置のだめに小さなかつフン・セクト
な構造形式が可能となることにある。Effects of the Invention The advantages achieved with the present invention are, in particular, that the laser beam required for therapeutic purposes can be guided by the optical system of a commercially available diagnostic device, without having to suffer image deterioration, and that the observation By guiding the laser beam through the optical system of the device, a very small and compact design of the laser treatment device is possible.
実施例 次に図示の実施例につき本発明の詳細な説明する。Example The invention will now be described in detail with reference to the illustrated embodiments.
図面には、１で患者の眼が示されている。矢印２は使用
レーザ光線の方向を示す。該レーザ光線は例えば波長λ
１”］０６４ｎｍｆ’白°する治療光と、第２のレーザ
光源から放出される波長λ２＝ ６３３ ｎ ｍを有す
る照準光とから成る。転向反射鏡３で、レーザ光は主対
物レンズ牛を経て患者の眼１に向けられる。転向反射鏡
３は照準光線に対して部分透過性であり、従って照準光
はスリットランプ、手術用顕微鏡又は別の観察装置の観
察光学系５によって観察することができる。６で補正光
学系が示されている。対物レンズ４は１１０６４ｎと６
３３ｎｍのレーザ波長範囲に補正されているので、補正
光学系６は４８０〜６４４ｎｍの可視光の範囲内で観察
する際には主対物レンズ４の補正によって生じる焦点差
を補償するように補正されている。その際、主対物レン
ズ生と補正光学系６の組合せは４８０〜６４４ｎｍの範
囲のためにも補正されている。The patient's eye is shown at 1 in the drawing. Arrow 2 indicates the direction of the laser beam used. The laser beam has a wavelength of λ, for example.
1"] 064 nm f' white degree and a aiming light with a wavelength λ2 = 633 nm emitted by a second laser light source. At the turning reflector 3, the laser light passes through the main objective lens. It is aimed at the patient's eye 1. The turning reflector 3 is partially transparent for the aiming light beam, so that the aiming light can be observed by the viewing optics 5 of a slit lamp, a surgical microscope or another viewing device. The correction optical system is shown at .6.The objective lens 4 is 11064n and 6.
Since the laser wavelength range is 33 nm, the correction optical system 6 is corrected to compensate for the focal difference caused by the correction of the main objective lens 4 when observing within the visible light range of 480 to 644 nm. There is. At this time, the combination of the main objective lens and the correction optical system 6 is also corrected for the range of 480 to 644 nm.
図面は診断ないしは観察装置における本発明による光学
系の配置を示す略示図である。
２・・・レーザ光線、３・・・転向反射鏡、牛・・・主
対物レンズ、５・・・接眼レンズ、６・・・補正光学系
（ほか１名）
２・・ レーナ′を悸The drawing schematically shows the arrangement of an optical system according to the invention in a diagnostic or observation device. 2...Laser beam, 3...Turning reflector, Cow...Main objective lens, 5...Eyepiece, 6...Correction optical system (1 other person) 2...Rena'
Claims (1)
向反射鏡（３）を有するレーザ治療及び観察装置用光学
系において、転向反射鏡（３）が観察装置の主対物レン
ズ（４）と接眼レンズ（５）との間に配置されておりか
つ観察方向で見て、転向反射鏡（３）の前方にレーザ光
と観察光の焦点差を補償するだめの補正光学系（６）が
配置されていることを特徴とする、レーザ治療及び観察
装置用光学系。 ２、 レーザ治療光線の波長λ、＝１ｏ６４ｎｍｓレザ
照準光線の波長λ２＝ ６３３ ｎｍ 及び観察光の波
長４８０〜６４４１ｍである場合、対物レンズがデータ
： ｓ１＝ −１１９，４（ｎｄ） （νｄ）”、＝ ４８
６．９７ ｄ１＝ ７ １１ ＝１．６２０９ １’１ ＝６０．
３ｒ２＝−１０５，９３ ｄ２＝ｃ１３ ｒ ３ ＝４２７−８１ ｄ−４０・３＝１．８０５２ ν３＝２５．４ｒ４＝
７８２９８ ｄ ４＝０３ ｔ５＝ ７９．７１９ ｄ５＝７．７ ｎ、； ”１．５５３２ ν５ ＝６３
ｉ５ｒ６＝−２２７，１２ ｓｊ＝の を有しかつ補正光学系がデータ ｓｌ−■ （ｎ） （νｄ） ｒ１＝−１３７２５ ａ１＝ ７ ｎ１＝１．８０５２ ｖ１＝２５．４ｒ２
＝ −９１，０７ ｄ２＝７ ｎ２＝１．６１７７ １’２＝４９．８ｒ５
＝−１７０，３１ ８／−の を有する、特許請求の範囲第１項記載の光学系。[Claims] 1. In an optical system for a laser treatment and observation device having a turning reflector (3) that reflects a laser beam (2) toward an observation optical path, the turning reflector (3) is the main part of the observation device. A correction optical system disposed between the objective lens (4) and the eyepiece (5) and in front of the turning reflector (3) when viewed in the observation direction to compensate for the focal difference between the laser beam and the observation light. An optical system for a laser treatment and observation device, characterized in that a system (6) is arranged. 2. When the wavelength of the laser treatment beam is λ, = 1o64 nm, the wavelength of the laser aiming beam is λ2 = 633 nm, and the wavelength of the observation light is 480-6441 m, the objective lens has the data: s1 = -119,4 (nd) (νd)” , = 48
6.97 d1= 7 11 = 1.6209 1'1 = 60.
3r2=-105,93 d2=c13 r3=427-81 d-40・3=1.8052 ν3=25.4r4=
78298 d4=03 t5=79.719 d5=7.7 n,; ”1.5532 ν5 =63
i5r6=-227,12 sj= and the correction optical system has data sl-■ (n) (νd) r1=-13725 a1=7 n1=1.8052 v1=25.4r2
= -91,07 d2=7 n2=1.6177 1'2=49.8r5
The optical system according to claim 1, wherein the optical system has: =-170,318/-.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3335810.9 | 1983-10-01 | ||
| DE19833335810 DE3335810A1 (en) | 1983-10-01 | 1983-10-01 | OPTICAL SYSTEM FOR THERAPEUTIC LASER LIGHT APPLICATION |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6096242A true JPS6096242A (en) | 1985-05-29 |
Family
ID=6210768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59204195A Pending JPS6096242A (en) | 1983-10-01 | 1984-10-01 | Optical system for laser treating and observing apparatus |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS6096242A (en) |
| CH (1) | CH666175A5 (en) |
| DE (1) | DE3335810A1 (en) |
| FR (1) | FR2552894B1 (en) |
| GB (1) | GB2148531B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2376634B (en) * | 2002-07-13 | 2003-12-10 | Litechnica Ltd | Laser accessory for a binocular indirect ophthalmoscope and binocular indirect ophthalmoscope |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3327712A (en) * | 1961-09-15 | 1967-06-27 | Ira H Kaufman | Photocoagulation type fiber optical surgical device |
| GB1450121A (en) * | 1973-05-02 | 1976-09-22 | Cmw Lab Ltd | Dental units |
| JPS5832365B2 (en) * | 1974-05-09 | 1983-07-12 | キヤノン株式会社 | zoom lens couch |
| IL46832A (en) * | 1975-03-14 | 1977-05-31 | Laser Ind Ltd | Device for aligning an invisible beam particularly a laser beam |
| DE2722787A1 (en) * | 1977-05-20 | 1978-11-23 | Schneider Co Optische Werke | LENS WITH A REFLECTIVE ELEMENT |
| DD137054A1 (en) * | 1978-05-10 | 1979-08-15 | Peter Wengler | Light coagulator |
| GB2074343B (en) * | 1980-04-18 | 1984-01-25 | Inst Of Ophthalmology | Laser ophthalmic surgery apparatus |
| EP0044197A1 (en) * | 1980-07-10 | 1982-01-20 | The Rank Organisation Limited | Multi-channel optical system |
| DE3111743A1 (en) * | 1981-03-25 | 1982-10-07 | Precitronic Gesellschaft für Feinmechanik und Electronic mbH, 2000 Hamburg | Transmitting and receiving device for optical radiation |
| AU564020B2 (en) * | 1981-09-24 | 1987-07-30 | Morris, J.R. | Microsurgical laser |
| FR2513873B1 (en) * | 1981-10-02 | 1985-10-25 | Essilor Int | OPHTHALMOLOGICAL LASER SURGERY APPARATUS |
| DE3372701D1 (en) * | 1982-03-11 | 1987-09-03 | Lasag Ag | Optical head of an apparatus for observing and treating the eye by laser radiation |
-
1983
- 1983-10-01 DE DE19833335810 patent/DE3335810A1/en active Granted
-
1984
- 1984-08-27 CH CH406984A patent/CH666175A5/en not_active IP Right Cessation
- 1984-09-27 GB GB08424466A patent/GB2148531B/en not_active Expired
- 1984-09-28 FR FR8414945A patent/FR2552894B1/en not_active Expired
- 1984-10-01 JP JP59204195A patent/JPS6096242A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB2148531B (en) | 1987-01-28 |
| GB8424466D0 (en) | 1984-10-31 |
| DE3335810C2 (en) | 1989-02-23 |
| GB2148531A (en) | 1985-05-30 |
| FR2552894B1 (en) | 1989-06-02 |
| FR2552894A1 (en) | 1985-04-05 |
| CH666175A5 (en) | 1988-07-15 |
| DE3335810A1 (en) | 1985-04-18 |
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