JP2013048864A5 - - Google Patents
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- JP2013048864A5 JP2013048864A5 JP2011189943A JP2011189943A JP2013048864A5 JP 2013048864 A5 JP2013048864 A5 JP 2013048864A5 JP 2011189943 A JP2011189943 A JP 2011189943A JP 2011189943 A JP2011189943 A JP 2011189943A JP 2013048864 A5 JP2013048864 A5 JP 2013048864A5
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- irradiation time
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Description
本発明は、上記課題を解決するために、以下の構成を有することを特徴とする。
治療用レーザ光を出射するレーザ光源と、該レーザ光源から出射された治療用レーザ光を所定のサイズのスポットとして患者眼の照射部位に照射する照射ユニットと、治療用レーザ光の照射時間を設定する照射時間設定手段と、設定された照射時間に基づいて治療用レーザ光の照射を制御する制御手段と、を備える眼科用レーザ治療装置において、患者眼に照射される前記所定サイズのスポットにおける治療用レーザ光のビームプロファイルを変更するビームプロファイル変更手段を備え、前記制御手段は、前記照射時間設定手段によって設定された前記照射時間に応じて前記ビームプロファイル変更手段を制御することを特徴とする。
In order to solve the above-mentioned problems, the present invention has the following configuration.
A laser light source for emitting treatment laser light, an irradiation unit for irradiating the irradiation site of the patient's eye with the treatment laser light emitted from the laser light source as a spot of a predetermined size, and an irradiation time of the treatment laser light are set In the ophthalmic laser treatment apparatus, comprising: an irradiation time setting means for performing control; and a control means for controlling the irradiation of the therapeutic laser light based on the set irradiation time. comprising a beam profile changing means for changing the beam profile of the use laser light, said control means, and controlling the beam profile changing means in response to the irradiation time set by the irradiation time setting means.
Claims (4)
患者眼に照射される前記所定サイズのスポットにおける治療用レーザ光のビームプロファイルを変更するビームプロファイル変更手段を備え、
前記制御手段は、前記照射時間設定手段によって設定された前記照射時間に応じて前記ビームプロファイル変更手段を制御することを特徴とする眼科用レーザ治療装置。 A laser light source for emitting treatment laser light, an irradiation unit for irradiating the irradiation site of the patient's eye with the treatment laser light emitted from the laser light source as a spot of a predetermined size, and an irradiation time of the treatment laser light are set In an ophthalmic laser treatment apparatus comprising: an irradiation time setting unit that performs control, and a control unit that controls irradiation of a therapeutic laser beam based on the set irradiation time.
Comprising a beam profile changing means for changing the beam profile of the treatment laser beam in the predetermined size of the spot irradiated on the patient's eye,
The ophthalmic laser treatment apparatus , wherein the control means controls the beam profile changing means according to the irradiation time set by the irradiation time setting means .
前記照射時間設定手段は、少なくとも、第１の照射時間と、第１の照射時間よりも短い照射時間である第２の照射時間と、の何れか１つを設定でき、
前記ビームプロファイル変更手段は、前記照射時間設定手段により設定される照射時間の少なくとも２つに対応して複数種類の治療用レーザ光のビームプロファイルを変更でき、
前記制御手段は、前記照射時間設定手段において第１の照射時間が設定された場合に前記ビームプロファイル変更手段で設定するビームプロファイルの均一性が、前記照射時間設定手段において第２の照射時間が設定される場合に前記ビームプロファイル変更手段で設定するビームプロファイルの均一性に対して低くなるようにビームプロファイル変更手段を設定する、ことを特徴とする眼科用レーザ治療装置。 The ophthalmic laser treatment device according to claim 1.
The irradiation time setting means can set at least one of a first irradiation time and a second irradiation time which is an irradiation time shorter than the first irradiation time,
The beam profile changing means can change the beam profile of a plurality of types of treatment laser light corresponding to at least two of the irradiation times set by the irradiation time setting means,
When the first irradiation time is set by the irradiation time setting means, the control means sets the uniformity of the beam profile set by the beam profile changing means, and sets the second irradiation time by the irradiation time setting means. ophthalmic laser treatment apparatus prior Symbol setting the beam profile changing means to be lower relative to the uniformity of the beam profile to be set in the beam profile changing means, it is characterized in when it is.
前記ビームプロファイル変更手段は、回折光学素子を用いて、治療用レーザ光のビームプロファイルにおいて周辺部に対する中心部の相対的な強度を変更させることを特徴とする眼科用レーザ治療装置。 The ophthalmic laser treatment apparatus according to claim 1 or 2,
The beam profile changing means, diffractive using optical elements, ophthalmic laser treatment apparatus characterized by changing the relative strength of the central portion to the peripheral portion in the beam profile of the treatment laser beam.
前記ビームプロファイル変更手段は、回折格子のパターンが異なる複数の回折光学素子を備え、各回折光学素子を前記照射ユニットの光軸上に切換え配置して治療用レーザ光のビームプロファイルを変更する、
ことを特徴とする眼科用レーザ治療装置。 The ophthalmic laser treatment device according to claim 3 ,
The beam profile changing means includes a plurality of diffractive optical elements having different diffraction grating patterns, and changes the beam profile of the therapeutic laser light by switching and arranging each diffractive optical element on the optical axis of the irradiation unit.
An ophthalmic laser treatment apparatus characterized by the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011189943A JP5861329B2 (en) | 2011-08-31 | 2011-08-31 | Ophthalmic laser treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011189943A JP5861329B2 (en) | 2011-08-31 | 2011-08-31 | Ophthalmic laser treatment device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013048864A JP2013048864A (en) | 2013-03-14 |
| JP2013048864A5 true JP2013048864A5 (en) | 2014-10-09 |
| JP5861329B2 JP5861329B2 (en) | 2016-02-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011189943A Expired - Fee Related JP5861329B2 (en) | 2011-08-31 | 2011-08-31 | Ophthalmic laser treatment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5861329B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2014393063B2 (en) * | 2014-05-07 | 2017-08-31 | Alcon Inc. | Technique for photodisruptive multi-pulse treatment of a material |
| US11291470B2 (en) | 2017-12-12 | 2022-04-05 | Alcon Inc. | Surgical probe with shape-memory material |
| US11213426B2 (en) | 2017-12-12 | 2022-01-04 | Alcon Inc. | Thermally robust multi-spot laser probe |
| WO2019116286A2 (en) * | 2017-12-12 | 2019-06-20 | Novartis Ag | Multi-core fiber for a multi-spot laser probe |
| WO2019116282A1 (en) * | 2017-12-12 | 2019-06-20 | Novartis Ag | Multiple-input-coupled illuminated multi-spot laser probe |
| US11432963B2 (en) * | 2019-06-03 | 2022-09-06 | Alcon Inc. | Aligning multi-wavelength laser beams with cores of a multi-core fiber |
| CN116139414A (en) * | 2022-12-09 | 2023-05-23 | 北京鹰瞳科技发展股份有限公司 | Light feeding equipment |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6497701B2 (en) * | 1999-04-30 | 2002-12-24 | Visx, Incorporated | Method and system for ablating surfaces with partially overlapping craters having consistent curvature |
| JP2001008945A (en) * | 1999-06-28 | 2001-01-16 | Topcon Corp | Laser surgery equipment |
| JP2001008946A (en) * | 1999-06-29 | 2001-01-16 | Topcon Corp | Laser surgery equipment |
| US6530916B1 (en) * | 1999-11-15 | 2003-03-11 | Visx, Incorporated | Uniform large area ablation system and method |
| JP4349705B2 (en) * | 1999-11-26 | 2009-10-21 | 株式会社ニデック | Photocoagulator |
| US6905641B2 (en) * | 2000-09-26 | 2005-06-14 | Calhoun Vision, Inc. | Delivery system for post-operative power adjustment of adjustable lens |
| WO2003092566A1 (en) * | 2002-04-30 | 2003-11-13 | Yasuhiro Tamaki | Temperature rise efficiency measuring apparatus, thermatologic apparatus and method of controlling therapeutic laser beam |
| US6964659B2 (en) * | 2002-05-30 | 2005-11-15 | Visx, Incorporated | Thermal modeling for reduction of refractive laser surgery times |
| JP2003339757A (en) * | 2002-05-31 | 2003-12-02 | Nidek Co Ltd | Cornea laser surgical instrument |
| JP5028124B2 (en) * | 2007-03-29 | 2012-09-19 | 株式会社ニデック | Ophthalmic laser treatment device |
| JP5427406B2 (en) * | 2008-12-27 | 2014-02-26 | 株式会社ニデック | Ophthalmic laser treatment device |
-
2011
- 2011-08-31 JP JP2011189943A patent/JP5861329B2/en not_active Expired - Fee Related
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