JP4126054B2 - 眼科手術装置 - Google Patents
眼科手術装置 Download PDFInfo
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- JP4126054B2 JP4126054B2 JP2005295395A JP2005295395A JP4126054B2 JP 4126054 B2 JP4126054 B2 JP 4126054B2 JP 2005295395 A JP2005295395 A JP 2005295395A JP 2005295395 A JP2005295395 A JP 2005295395A JP 4126054 B2 JP4126054 B2 JP 4126054B2
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- 238000012014 optical coherence tomography Methods 0.000 claims description 109
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- 238000011282 treatment Methods 0.000 claims description 18
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- 210000001519 tissue Anatomy 0.000 description 39
- 238000005259 measurement Methods 0.000 description 29
- 210000004087 cornea Anatomy 0.000 description 27
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- 238000013532 laser treatment Methods 0.000 description 14
- 230000001427 coherent effect Effects 0.000 description 12
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Images
Classifications
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- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/102—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for optical coherence tomography [OCT]
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- A61F9/008—Methods or devices for eye surgery using laser
- A61F2009/00885—Methods or devices for eye surgery using laser for treating a particular disease
- A61F2009/00887—Cataract
Description
110 対物レンズ
120 ビームコンバイナ
130 光学倍率調整器
150 内部焦点調節レンズ
155 電動機
160 ビームスプリッタ
180 アイピース
195 CCDカメラ
200 光学干渉性断層撮影装置
210 コンピュータ
211 CRT
212 キーボード
220 ビデオ画像ユニット
230 光ファイバ
240 50/50結合器
250 光ファイバ
260 横方向走査機構
265 光ファイバ
270 光ファイバ
275 光電検出器
280 レンズ
285 復調器
290 参照鏡
295 アナログ・ディジタル変換器
300 照明路
310 照明光線
330 像レンズ
340 ビームコンバイナ
400 光学干渉性断層撮影路
410 光学干渉性断層撮影ビーム
450 走査鏡
460 走査鏡
480 走査レンズ
500 目視路
600 光路
610 コンピュータ
670 レーザ制御装置
680 治療レーザ
681 照準レーザ
690 レーザデリベリ光学装置
700 レーザ制御ユニット
703 ダイクロイックビームスプリッタ
705 レンズ系
710 光導波体
715 コリメートレンズ
717 同焦点光学系
719 レーザ軸線の方向
720 収束レンズ
725 光学干渉性断層撮影ビーム
730 発散レンズ
745 ビームコンバイナ
750 マイクロマニピュレータレンズ
755 ビームディレクタ
760 レーザ焦点
825 光学干渉性断層撮影ビーム
850 走査鏡
860 走査鏡
870 レンズ
1000 眼
1500 後側焦点
Claims (8)
- レーザ光線を発生するレーザ(680)と、
レーザ焦点(760)に位置している対象体にレーザ光線を照射するレーザデリベリ手段と、
光学干渉性断層撮影(OCT)ビームを照射する光学干渉性断層撮影(OCT)装置(200)と、
レーザ光線の焦点を横切って光学干渉性断層撮影(OCT)装置からの光学出力を走査することにより、前記光学干渉性断層撮影(OCT)ビームが前記レーザ焦点(760)を横方向に交差するようにして、前記光学干渉性断層撮影(OCT)装置(200)からの光出力により、対象体を走査する走査手段と、
対象体の部分でありレーザ光線を照射された部分を求めるために前記光学干渉性断層撮影(OCT)装置からの検出信号出力を解析する解析手段と、
(a)露出時間と、(b)レーザパワーと、(c)レーザ光線のスポットサイズとのうちの1つ以上を制御するために、前記解析手段からの出力に応答して、(a)レーザと、(b)デリベリ手段とのうちの1つ以上と相互作用する手段とを具備することを特徴とする眼科手術装置。 - 解析手段が、光学干渉性断層撮影装置からの検出信号出力を基準閾値レベルと比較する手段を有することを特徴とする請求項1に記載の眼科手術装置。
- 解析手段が、更に、対象体の測定された容積又は前記対象体の測定された面積を、実験的に決定された基準値と比較することによって、レーザ光線の照射により制御される前記部分を決定するための手段を有することを特徴とする請求項2に記載の眼科手術装置。
- 走査手段が、レーザ光線の焦点を横切って光学干渉性断層撮影装置からの光学出力を走査する手段を有することを特徴とする請求項1に記載の眼科手術装置。
- 焦点を横切って走査する手段が、レーザ焦点を横切って対称に走査する手段を有することを特徴とする請求項4に記載の眼科手術装置。
- 解析手段が、対象体の横方向平面の1つ以上の領域に対して検出信号が基準閾値レベルを越える瞬間の数を計数し、記憶されている治療データと1つ以上の前記領域に対する前記瞬間の前記数を比較する手段を有することを特徴とする請求項2に記載の眼科手術装置。
- 対象体の一部でありレーザ光線により照射された部分を、検出信号が基準閾値レベルを越えた部分として求めることを特徴とする請求項2に記載の眼科手術装置。
- レーザ光線を発生するレーザと、
対象体にレーザ光線を照射するレーザデリベリ手段と、
光学干渉性断層撮影装置と、
光学干渉性断層撮影装置からの光学出力により対象体を走査する走査手段と、
対象体の一部でありレーザ光線により照射された部分を求めるために光学干渉性断層撮影装置からの検出信号出力を解析する解析手段と、
前記解析手段からの出力に応答して、前記部分を表示する手段とを具備することを特徴とする眼科手術装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/292,433 US5493109A (en) | 1994-08-18 | 1994-08-18 | Optical coherence tomography assisted ophthalmologic surgical microscope |
US40424495A | 1995-03-15 | 1995-03-15 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20823895A Division JP3789960B2 (ja) | 1994-08-18 | 1995-08-15 | 眼科手術装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006095318A JP2006095318A (ja) | 2006-04-13 |
JP4126054B2 true JP4126054B2 (ja) | 2008-07-30 |
Family
ID=26967325
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20823895A Expired - Fee Related JP3789960B2 (ja) | 1994-08-18 | 1995-08-15 | 眼科手術装置 |
JP2005295395A Expired - Fee Related JP4126054B2 (ja) | 1994-08-18 | 2005-10-07 | 眼科手術装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20823895A Expired - Fee Related JP3789960B2 (ja) | 1994-08-18 | 1995-08-15 | 眼科手術装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6004314A (ja) |
EP (2) | EP1231496B1 (ja) |
JP (2) | JP3789960B2 (ja) |
DE (2) | DE69528024T2 (ja) |
ES (2) | ES2180597T4 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06201020A (ja) * | 1992-12-28 | 1994-07-19 | Mita Ind Co Ltd | 歯車の軸からの抜止め構造 |
JP2015058152A (ja) * | 2013-09-18 | 2015-03-30 | 株式会社トプコン | レーザ治療システム |
JP2015100583A (ja) * | 2013-11-27 | 2015-06-04 | 株式会社トプコン | レーザ治療システム |
US9402768B2 (en) | 2010-12-27 | 2016-08-02 | Nidek Co., Ltd. | Ophthalmic laser treatment apparatus |
Families Citing this family (307)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5980513A (en) | 1994-04-25 | 1999-11-09 | Autonomous Technologies Corp. | Laser beam delivery and eye tracking system |
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1995
- 1995-06-24 EP EP02005702A patent/EP1231496B1/en not_active Expired - Lifetime
- 1995-06-24 DE DE69528024T patent/DE69528024T2/de not_active Expired - Lifetime
- 1995-06-24 EP EP95109894A patent/EP0697611B9/en not_active Expired - Lifetime
- 1995-06-24 ES ES95109894T patent/ES2180597T4/es not_active Expired - Lifetime
- 1995-06-24 DE DE69533903T patent/DE69533903T2/de not_active Expired - Lifetime
- 1995-06-24 ES ES02005702T patent/ES2233727T3/es not_active Expired - Lifetime
- 1995-08-15 JP JP20823895A patent/JP3789960B2/ja not_active Expired - Fee Related
-
1997
- 1997-03-31 US US08/832,598 patent/US6004314A/en not_active Expired - Lifetime
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2005
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH06201020A (ja) * | 1992-12-28 | 1994-07-19 | Mita Ind Co Ltd | 歯車の軸からの抜止め構造 |
US9402768B2 (en) | 2010-12-27 | 2016-08-02 | Nidek Co., Ltd. | Ophthalmic laser treatment apparatus |
JP2015058152A (ja) * | 2013-09-18 | 2015-03-30 | 株式会社トプコン | レーザ治療システム |
JP2015100583A (ja) * | 2013-11-27 | 2015-06-04 | 株式会社トプコン | レーザ治療システム |
WO2015080137A1 (ja) * | 2013-11-27 | 2015-06-04 | 株式会社トプコン | レーザ治療システム |
Also Published As
Publication number | Publication date |
---|---|
ES2233727T3 (es) | 2005-06-16 |
ES2180597T3 (es) | 2003-02-16 |
ES2180597T4 (es) | 2003-07-01 |
DE69528024T2 (de) | 2003-10-09 |
JPH0866421A (ja) | 1996-03-12 |
JP2006095318A (ja) | 2006-04-13 |
DE69528024D1 (de) | 2002-10-10 |
JP3789960B2 (ja) | 2006-06-28 |
EP0697611A3 (en) | 1996-05-15 |
EP0697611B1 (en) | 2002-09-04 |
DE69533903T2 (de) | 2005-12-08 |
EP0697611A2 (en) | 1996-02-21 |
EP1231496B1 (en) | 2004-12-29 |
EP1231496A2 (en) | 2002-08-14 |
US6004314A (en) | 1999-12-21 |
EP0697611B9 (en) | 2003-01-22 |
EP1231496A3 (en) | 2003-02-26 |
DE69533903D1 (de) | 2005-02-03 |
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