JP4292096B2 - 角膜実質内屈折矯正手術の方法および装置 - Google Patents
角膜実質内屈折矯正手術の方法および装置 Download PDFInfo
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- JP4292096B2 JP4292096B2 JP2004072380A JP2004072380A JP4292096B2 JP 4292096 B2 JP4292096 B2 JP 4292096B2 JP 2004072380 A JP2004072380 A JP 2004072380A JP 2004072380 A JP2004072380 A JP 2004072380A JP 4292096 B2 JP4292096 B2 JP 4292096B2
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Classifications
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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
-
- 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
- A61F9/00827—Refractive correction, e.g. lenticle
- A61F9/00829—Correction of higher orders
-
- 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
- A61F9/00836—Flap cutting
-
- 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
- A61F9/013—Instruments for compensation of ocular refraction ; Instruments for use in cornea removal, for reshaping or performing incisions in the cornea
-
- 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
- A61F2009/00844—Feedback systems
- A61F2009/00848—Feedback systems based on wavefront
-
- 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
-
- 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
- A61F2009/00878—Planning
- A61F2009/0088—Planning based on wavefront
Description
12 レーザ源
14 光源光線
16 光学装置
18、18a’〜c’ 成形レーザ光線
20 角膜
22 眼
24 眼からの反射光
26、26a’〜c’ 光線のくびれ部
28 角膜実質
30 切除領域
31 切除深さ
32 くびれ部から切除領域までの距離
34 角膜の前表面
36 アクティブ・ミラー
38 光線経路
40、44 光分配器
42 波面検出器
48 コンピュータ/比較器
54 評価器
58、58’ 焦点調整/走査用の光学素子
62、64 螺旋走査経路
66 角膜の中心
68 角膜の周辺
70a〜d 気泡
72 ラメラ
74 楕円偏光計
76 ラメラの層間の境界面
78 アクティブ・ミラーからの反射光線
80 小型レンズ配列
82 視野レンズ
84 コリメーティング・レンズ
86、88 リレー・レンズ
90 カッティング・レンズ
92 走査器
94、96 気泡の集団
98、100、104、106 気泡
102 眼の光軸
d1、d2 気泡間の距離
r1、r2 眼の光軸からの距離(半径)
Claims (4)
- 角膜実質組織の光切除によって角膜の屈折特性を変えるためのレーザ光線を確立する方法において、
レーザ源により発生させられたレーザ光線を、光学装置によりくびれ部を有する形状のレーザ光線に形成する段階と、
レーザ源が、前記形状を有し、選択されたパルス持続時間を有し前記くびれ部での切除エネルギー閾値よりも大きいパルス・エネルギーを有する少なくとも1つのレーザ光線を発生させる段階と、
前記光学装置が、前記くびれ部と前記光学装置との間の対象とする前記角膜実質組織の切除領域へ前記レーザ光線を誘導する段階とを含む、レーザ光線を確立する方法。 - 角膜実質組織を光切除するためのレーザ光線を確立する方法において、
光学装置が、レーザ源により発生させられたレーザ光線を、前記光線経路に沿って誘導し、前記光学装置から所定の距離の位置にくびれ部を有するレーザ光線に形成する段階と、
光学装置が、前記光線経路に沿って、前記くびれ部と前記光学装置との間の対象とする前記角膜実質組織の切除領域へ前記レーザ光線を誘導する段階と、
コンピュータが、前記レーザ光線のパルス持続時間とパルス・エネルギーを制御する段階とを含む、レーザ光線を確立する方法 - 前記レーザ光線を確立する方法が、前記角膜実質組織の光切除に応答して発生した気泡の直径を検出器が検出する段階と、
前記気泡が角膜実質のラメラ内にあるかどうかを決定するために、前記コンピュータが、前記気泡の直径を基準値と比較する段階と、
前記比較する段階の結果を用いて、コンピュータが次の角膜実質のラメラ内の光切除箇所を選択する段階と、
選択された次の箇所で角膜実質組織を切除するために、光学装置が、前記レーザ光線の前記くびれ部を移動させる段階とを更に含む請求項2に記載されたレーザ光線を確立する方法。 - 対象とする眼の角膜実質組織を光切除する装置において、
光学装置から前記光線経路に沿って所定の距離にくびれ部を有する成形されたレーザ光線を、光線経路に沿って形成する光学装置と、
前記対象とする角膜実質組織を前記光線経路に沿って位置決めするために、前記レーザ光線を誘導する手段と、
前記光線経路に沿って前記くびれ部と前記光学装置との間に切除領域を形成して、該切除領域で前記対象とする角膜実質組織を光切除するために、前記レーザ光線のパルス持続時間とパルス・エネルギーを制御する手段とを含む、対象とする眼の角膜実質組織を光切除する装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/429,232 US7101364B2 (en) | 2001-10-12 | 2003-05-02 | Method and apparatus for intrastromal refractive surgery |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004329881A JP2004329881A (ja) | 2004-11-25 |
JP4292096B2 true JP4292096B2 (ja) | 2009-07-08 |
Family
ID=32990496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004072380A Expired - Fee Related JP4292096B2 (ja) | 2003-05-02 | 2004-03-15 | 角膜実質内屈折矯正手術の方法および装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7101364B2 (ja) |
EP (1) | EP1473006A1 (ja) |
JP (1) | JP4292096B2 (ja) |
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2003
- 2003-05-02 US US10/429,232 patent/US7101364B2/en not_active Expired - Fee Related
-
2004
- 2004-01-28 EP EP04075241A patent/EP1473006A1/en not_active Ceased
- 2004-03-15 JP JP2004072380A patent/JP4292096B2/ja not_active Expired - Fee Related
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Publication number | Publication date |
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US20030229339A1 (en) | 2003-12-11 |
EP1473006A1 (en) | 2004-11-03 |
JP2004329881A (ja) | 2004-11-25 |
US7101364B2 (en) | 2006-09-05 |
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