JP2022188273A - 眼科用マルチスポットレーザ装置及びその作動方法 - Google Patents
眼科用マルチスポットレーザ装置及びその作動方法 Download PDFInfo
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Abstract
Description
一つのレーザパルス又は一連の複数のレーザパルスを生成するレーザモジュールであり、各レーザパルスの各々が、
10ps~20μsの範囲のパルス持続時間、
500nm~900nmの範囲の波長、及び
1パルス当たり10μJ~10mJの範囲のパルスエネルギー
を有するレーザモジュールと、
レーザモジュールにおける各レーザパルスの出力ビームプロファイルを変更して、定められたサイズ及びエネルギーの空間的に分布された複数のレーザスポットを提供する光ビームプロファイリングモジュールと
を備える眼科用マルチスポットレーザ装置であって、
レーザスポットの空間分布が、1:2~1:20の範囲のスポット径対空間比(spot diameter to space ratio)によって定められる、眼科用マルチスポットレーザ装置に関する。
[発明の項目]
[項目1]
眼科用マルチスポットレーザ装置であって、
一つのレーザパルス又は一連の複数のレーザパルスを生成するレーザモジュールであり、前記レーザパルスの各々が、
10ps~20μsの範囲のパルス持続時間、
500nm~900nmの範囲の波長、及び
1パルス当たり10μJ~10mJの範囲のパルスエネルギー
を有するレーザモジュールと、
前記レーザモジュールにおける前記レーザパルスの各々の出力ビームプロファイルを変更して、定められたサイズ及びエネルギーの空間的に分布された複数のレーザスポットを提供する光ビームプロファイリングモジュールと
を備えており、
前記レーザスポットの空間分布が、1:2~1:20の範囲のスポット径対空間比によって定められる、眼科用マルチスポットレーザ装置。
[項目2]
前記レーザスポットの空間分布が、1:4~1:8のスポット径対空間比によって定められる、項目1に記載の眼科用マルチスポットレーザ装置。
[項目3]
前記レーザスポットの空間分布が、1:4のスポット径対空間比によって定められる、項目2に記載の眼科用マルチスポットレーザ装置。
[項目4]
前記レーザスポットの各々が1μm~50μmの直径を有する、項目1に記載の眼科用マルチスポットレーザ装置。
[項目5]
前記レーザパルス間の間隔が2μm~200μmの範囲内にある、項目1に記載の眼科用マルチスポットレーザ装置。
[項目6]
前記光ビームプロファイリングモジュールが、前記レーザモジュールの出力ビームプロファイルを変更して実質的に均一なビームプロファイルを生成するマルチモード光ファイバと、定められたサイズ及びエネルギーの空間的に分布された複数のレーザスポットを提供するように前記マルチモード光ファイバの出力に結合された光ファイババンドルとを備える、項目1に記載の眼科用マルチスポットレーザ装置。
[項目7]
前記マルチモード光ファイバが約400μmのコア径を有する、項目6に記載の眼科用マルチスポットレーザ装置。
[項目8]
前記光ファイババンドルが、1μm~50μmのコア径を有する複数の光ファイバを備える、項目6に記載の眼科用マルチスポットレーザ装置。
[項目9]
前記光ファイババンドルが、10μmのコア径を有する複数の光ファイバを備える、項目6に記載の眼科用マルチスポットレーザ装置。
[項目10]
前記光ビームプロファイリングモジュールが、回折光学素子と、集束レンズとを備える、項目1に記載の眼科用マルチスポットレーザ装置。
[項目11]
前記光ビームプロファイリングモジュールが、出力ビームプロファイルの一部を遮断しレーザビームの小さな領域の透過のみを可能にするマスクと、集束レンズとを備える、項目1に記載の眼科用マルチスポットレーザ装置。
[項目12]
前記光ビームプロファイリングモジュールが、マイクロレンズアレイと、集束レンズとを備える、項目1に記載の眼科用マルチスポットレーザ装置。
[項目13]
空間的に分布されたエネルギーピークを持つビームプロファイルを有する治療用レーザによりヒトの眼の角膜を通して網膜色素上皮に照射することによって眼の網膜の機能を改善する方法。
[項目14]
一つのレーザパルス又は一連の複数のレーザパルスを生成するステップであって、前記レーザパルスの各々が、
10ps~20μsの範囲のパルス持続時間、
500nm~900nmの範囲の波長、及び
1パルス当たり10μJ~10mJの範囲のパルスエネルギー
を有するステップと、
レーザモジュールにおける前記レーザパルスの各々の出力ビームプロファイルを変更して、定められたサイズ及びエネルギーの空間的に分布された複数のレーザスポットを提供するステップと
を含み、
前記レーザスポットの空間分布が、1:2~1:20の範囲のスポット径対空間比によって定められる、項目13に記載の方法。
[項目15]
前記レーザスポットの各々が1μm~50μmの直径を有する、項目14に記載の方法。
Claims (1)
- 明細書に記載された眼科用マルチスポットレーザ装置又は該装置の作動方法。
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AU2017903330 | 2017-08-18 | ||
AU2017903330A AU2017903330A0 (en) | 2017-08-18 | Multi-spot ophthalmic laser | |
PCT/AU2018/050879 WO2019033176A1 (en) | 2017-08-18 | 2018-08-17 | MULTI-POINT OPHTHALMIC LASER |
JP2020508627A JP2020531102A (ja) | 2017-08-18 | 2018-08-17 | 眼科用マルチスポットレーザ |
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WO2018068089A1 (en) | 2016-10-14 | 2018-04-19 | Ellex Medical Pty Ltd | Treatment laser with reflex mirror |
JP2020531102A (ja) | 2017-08-18 | 2020-11-05 | エレックス メディカル プロプライエタリー リミテッドEllex Medical Pty Ltd | 眼科用マルチスポットレーザ |
CN113116516A (zh) * | 2021-04-01 | 2021-07-16 | 广州迪光医学科技有限公司 | 激光耦合装置 |
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DE3620744A1 (de) * | 1986-06-20 | 1987-12-23 | Rodenstock Instr | Vorrichtung zur behandlung des auges mit einem laser |
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GB2400063B (en) | 2003-04-03 | 2006-02-15 | Exitech Ltd | Positioning method and apparatus and a product thereof |
JP2008510529A (ja) * | 2004-08-27 | 2008-04-10 | エレックス メディカル プロプライエタリー リミテッド | 選択的眼科レーザ治療 |
US8394084B2 (en) * | 2005-01-10 | 2013-03-12 | Optimedica Corporation | Apparatus for patterned plasma-mediated laser trephination of the lens capsule and three dimensional phaco-segmentation |
JP2007159740A (ja) * | 2005-12-12 | 2007-06-28 | Nidek Co Ltd | 眼科用レーザ治療装置 |
WO2008024848A2 (en) | 2006-08-22 | 2008-02-28 | Synergetics, Inc. | Multiple target laser probe |
US20080051770A1 (en) * | 2006-08-22 | 2008-02-28 | Synergetics, Inc. | Multiple Target Laser Probe |
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JP5372527B2 (ja) * | 2009-01-07 | 2013-12-18 | 株式会社ニデック | 眼科用レーザ治療装置 |
DE102009021604A1 (de) * | 2009-05-15 | 2010-11-18 | Carl Zeiss Meditec Ag | Verfahren zur Markierung von Koagulationsstellen auf einer Retina sowie System zur Koagulation der Retina |
ES2675570T3 (es) * | 2009-07-29 | 2018-07-11 | Alcon Lensx, Inc. | Sistema óptico para laser quirúrgico oftálmico |
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US11833078B2 (en) | 2023-12-05 |
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