JP2005296624A - 角膜レーザ外科療法のビーム誘導システムおよび方法 - Google Patents
角膜レーザ外科療法のビーム誘導システムおよび方法 Download PDFInfo
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- JP2005296624A JP2005296624A JP2004367331A JP2004367331A JP2005296624A JP 2005296624 A JP2005296624 A JP 2005296624A JP 2004367331 A JP2004367331 A JP 2004367331A JP 2004367331 A JP2004367331 A JP 2004367331A JP 2005296624 A JP2005296624 A JP 2005296624A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000003213 activating effect Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 19
- 238000002430 laser surgery Methods 0.000 abstract description 12
- 238000001356 surgical procedure Methods 0.000 description 6
- 210000004087 cornea Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000002301 combined effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
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- 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
- A61F9/00825—Methods or devices for eye surgery using laser for photodisruption
- A61F9/0084—Laser features or special beam parameters therefor
-
- 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
- A61F2009/00861—Methods or devices for eye surgery using laser adapted for treatment at a particular location
- A61F2009/00872—Cornea
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- Ophthalmology & Optometry (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Veterinary Medicine (AREA)
- Laser Surgery Devices (AREA)
Abstract
【解決手段】レーザ・ビームを生成する際、レーザ・ビームの中心ビーム路からの発散は、光学誘導コンポーネントを順次配置構成することにより、最小になる。順番に、ビームは最初に、z走査器具の中心へと案内され、これは焦点を媒体中でz方向に移動させる。次に、ビームは第1検流計ミラーの中心へと通過し、これはx方向に焦点の移動を導入する。次に、第2検流計ミラーが、ビームを第3検流計ミラーの中心へと再案内することにより、x方向の移動を補償し、ここでy方向で焦点の移動が導入される。
【選択図】図2
Description
12 外科用レーザ・ユニット
14 レーザ・ビーム
16 目
18 患者
20 台
22 コンピュータ制御装置
24 電気ケーブル
26 装置
28 レーザ光源
30 ビーム路
32 z走査器具
32’ 音声コイル・サブアセンブリ
32” 能動ミラー
34 レンズ
38 直線スライド
43 切子面
44 ミラー
46 回転軸線
48 走査機構
50 回転軸線
52 走査機構
54 回転軸線
56 中心
58 中心
60 中心
62 リレー
64 レンズ
66 回転ミラー
68 顕微鏡
70 集束レンズ
72 中心軸線
74 座標系
76 角膜
78 光学軸線
Claims (5)
- レーザ・ビームを媒体の焦点に誘導する装置で、媒体が直交x−y−z座標系を画定し、
レーザ・ビームをビーム路に沿って媒体へと案内するレーザ光源と、
レーザ・ビームを媒体のx方向に移動させるため、ビーム路上で位置決めされた第1走査機構と、
レーザ・ビームの動作をx方向で補償するために、ビーム路上で位置決めされた第2走査機構と、
レーザ・ビームを媒体のy方向に移動させるため、ビーム路上で位置決めされた第3走査機構と、
焦点をz方向に移動させるz走査器具と、
レーザ・ビームを媒体のx−y面の焦点に向かって誘導するために、前記第1、前記第2および前記第3走査機構、および前記z走査器具の動作を一斉に制御する手段とを備える装置。 - 前記第1走査機構、前記第2走査機構、および前記第3走査機構が検流計ミラーである、請求項1に記載の装置。
- 目標組織を通してレーザ・ビームの焦点を移動させる方法で、
レーザ・ビームをビーム路に沿ってz走査器具の中心に案内するステップを含み、z走査器具が、焦点の位置を目標組織内でz方向で変化させるために動作可能であり、さらに、
レーザ・ビームをz走査器具の中心から第1走査機構の中心へと通過させるステップを含み、第1走査機構が、ビーム路を変更し、目標組織の焦点の位置にx方向の変化を導入するよう回転可能であり、さらに、
レーザ・ビームを第3走査機構の中心に再案内することにより、変更したビーム路を補償させるために第2走査機構を回転するステップを含み、第3走査機構が、ビーム路を変更し、目標組織の焦点の位置にy方向の変化を導入するよう回転可能である方法。 - レーザ・ビームが、ビーム路上に位置決めされた集束レンズを通過し、前記集束レンズが中心軸線を画定して、ビーム路は、レーザ・ビームが前記集束レンズに入射すると、前記集束レンズの中心軸線にほぼセンタリングされる、請求項3に記載の方法。
- レーザ・ビームを媒体の焦点に誘導する方法で、媒体が直交x−y−z座標系を画定し、
レーザ・ビームをビーム路に沿って媒体へと案内するよう、レーザ光源を起動するステップと、
焦点をz方向に移動させるため、レーザ・ビームをz走査器具へと案内するステップと、
第1検流計ミラーを第1回転軸線の周囲で角度「θ」だけ回転させるステップと、
第2検流計ミラーを第2回転軸線の周囲で角度「2θ」だけ回転させるステップと、
第3検流計ミラーを第3回転軸線の周囲で角度「φ」だけ回転させるステップと、
レーザ・ビームを焦点に向かって媒体のx−y面で誘導するために、前記z走査器具、および前記第1、前記第2および前記第3検流計ミラーの回転を一斉に制御するステップとを含む方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US821402 | 2004-04-09 | ||
| US10/821,402 US7618415B2 (en) | 2004-04-09 | 2004-04-09 | Beam steering system for corneal laser surgery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005296624A true JP2005296624A (ja) | 2005-10-27 |
| JP4837910B2 JP4837910B2 (ja) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004367331A Expired - Lifetime JP4837910B2 (ja) | 2004-04-09 | 2004-12-20 | 角膜レーザ外科療法のビーム誘導システムおよび方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US7618415B2 (ja) |
| EP (1) | EP1584310A1 (ja) |
| JP (1) | JP4837910B2 (ja) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009172374A (ja) * | 2008-01-21 | 2009-08-06 | Ziemer Holding Ag | 眼組織治療装置 |
| JP2010072645A (ja) * | 2008-09-16 | 2010-04-02 | Sie Ag Surgical Instrument Engineering | レーザ光線を偏向させる装置および方法 |
| JP2013500130A (ja) * | 2009-07-29 | 2013-01-07 | アルコン レンゼックス, インコーポレーテッド | 眼科手術用レーザのための光学システム |
| JP2013500132A (ja) * | 2009-07-29 | 2013-01-07 | アルコン レンゼックス, インコーポレーテッド | 眼科手術用レーザのための複数のスキャナを備えた光学システム |
| JP2013500131A (ja) * | 2009-07-29 | 2013-01-07 | アルコン レンゼックス, インコーポレーテッド | 眼科手術用レーザのための光学システム |
| JP2013500133A (ja) * | 2009-07-29 | 2013-01-07 | アルコン レンゼックス, インコーポレーテッド | 眼科手術用レーザのための、可動レンズ付光学システム |
| KR101243998B1 (ko) | 2008-04-22 | 2013-03-18 | 웨이브라이트 게엠베하 | 안구 수술용 레이저-광학 장치 |
| US8979264B2 (en) | 2008-09-16 | 2015-03-17 | Sie Ag, Surgical Instrument Engineering | Device and method for deflecting a laser beam |
| JP2015109988A (ja) * | 2009-07-29 | 2015-06-18 | アルコン レンゼックス, インコーポレーテッド | 眼科手術用レーザのための光学システム |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009172374A (ja) * | 2008-01-21 | 2009-08-06 | Ziemer Holding Ag | 眼組織治療装置 |
| KR101243998B1 (ko) | 2008-04-22 | 2013-03-18 | 웨이브라이트 게엠베하 | 안구 수술용 레이저-광학 장치 |
| JP2010072645A (ja) * | 2008-09-16 | 2010-04-02 | Sie Ag Surgical Instrument Engineering | レーザ光線を偏向させる装置および方法 |
| US8979264B2 (en) | 2008-09-16 | 2015-03-17 | Sie Ag, Surgical Instrument Engineering | Device and method for deflecting a laser beam |
| JP2013500130A (ja) * | 2009-07-29 | 2013-01-07 | アルコン レンゼックス, インコーポレーテッド | 眼科手術用レーザのための光学システム |
| JP2013500132A (ja) * | 2009-07-29 | 2013-01-07 | アルコン レンゼックス, インコーポレーテッド | 眼科手術用レーザのための複数のスキャナを備えた光学システム |
| JP2013500131A (ja) * | 2009-07-29 | 2013-01-07 | アルコン レンゼックス, インコーポレーテッド | 眼科手術用レーザのための光学システム |
| JP2013500133A (ja) * | 2009-07-29 | 2013-01-07 | アルコン レンゼックス, インコーポレーテッド | 眼科手術用レーザのための、可動レンズ付光学システム |
| JP2015109988A (ja) * | 2009-07-29 | 2015-06-18 | アルコン レンゼックス, インコーポレーテッド | 眼科手術用レーザのための光学システム |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080147051A1 (en) | 2008-06-19 |
| US7662147B2 (en) | 2010-02-16 |
| US20050228366A1 (en) | 2005-10-13 |
| EP1584310A1 (en) | 2005-10-12 |
| US7618415B2 (en) | 2009-11-17 |
| JP4837910B2 (ja) | 2011-12-14 |
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