CA2368228C - Method and system for ablating surfaces with partially overlapping craters having consistent curvature - Google Patents

Method and system for ablating surfaces with partially overlapping craters having consistent curvature Download PDF

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Publication number
CA2368228C
CA2368228C CA2368228A CA2368228A CA2368228C CA 2368228 C CA2368228 C CA 2368228C CA 2368228 A CA2368228 A CA 2368228A CA 2368228 A CA2368228 A CA 2368228A CA 2368228 C CA2368228 C CA 2368228C
Authority
CA
Canada
Prior art keywords
laser beam
region
laser
energy
pulsed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA2368228A
Other languages
English (en)
French (fr)
Other versions
CA2368228A1 (en
Inventor
John Karl Shimmick
George Caudle
Kingman Yee
Stephen J. Koons
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AMO Manufacturing USA LLC
Original Assignee
Visx Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Visx Inc filed Critical Visx Inc
Publication of CA2368228A1 publication Critical patent/CA2368228A1/en
Application granted granted Critical
Publication of CA2368228C publication Critical patent/CA2368228C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A61F9/00802—Methods or devices for eye surgery using laser for photoablation
    • A61F9/00804—Refractive treatments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B2018/2035—Beam shaping or redirecting; Optical components therefor
    • A61B2018/20351—Scanning mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B2018/2035—Beam shaping or redirecting; Optical components therefor
    • A61B2018/20351—Scanning mechanisms
    • A61B2018/20355—Special scanning path or conditions, e.g. spiral, raster or providing spot overlap
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B2018/2065—Multiwave; Wavelength mixing, e.g. using four or more wavelengths
    • A61B2018/207—Multiwave; Wavelength mixing, e.g. using four or more wavelengths mixing two wavelengths
    • 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
    • A61F2009/00846—Eyetracking
    • 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
    • A61F9/00802—Methods or devices for eye surgery using laser for photoablation
    • A61F9/00817—Beam shaping with masks

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Laser Surgery Devices (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Laser Beam Processing (AREA)
  • Chemically Coating (AREA)
CA2368228A 1999-04-30 2000-02-28 Method and system for ablating surfaces with partially overlapping craters having consistent curvature Expired - Lifetime CA2368228C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/303,810 US6497701B2 (en) 1999-04-30 1999-04-30 Method and system for ablating surfaces with partially overlapping craters having consistent curvature
US09/303,810 1999-04-30
PCT/US2000/005276 WO2000066022A1 (en) 1999-04-30 2000-02-28 Method and system for ablating surfaces with partially overlapping craters having consistent curvature

Publications (2)

Publication Number Publication Date
CA2368228A1 CA2368228A1 (en) 2000-11-09
CA2368228C true CA2368228C (en) 2011-06-07

Family

ID=23173810

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2368228A Expired - Lifetime CA2368228C (en) 1999-04-30 2000-02-28 Method and system for ablating surfaces with partially overlapping craters having consistent curvature

Country Status (9)

Country Link
US (1) US6497701B2 (enExample)
EP (1) EP1180981B1 (enExample)
JP (1) JP4615735B2 (enExample)
AT (1) ATE463218T1 (enExample)
AU (1) AU3612300A (enExample)
CA (1) CA2368228C (enExample)
DE (1) DE60044126D1 (enExample)
MX (1) MXPA01010867A (enExample)
WO (1) WO2000066022A1 (enExample)

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DE10332815B4 (de) * 2003-07-18 2020-10-22 Carl Zeiss Meditec Ag Verfahren und Vorrichtung zum Ausbilden gekrümmter Schnittflächen in einem transparenten Material
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DE10334110A1 (de) * 2003-07-25 2005-02-17 Carl Zeiss Meditec Ag Vorrichtung und Verfahren zum Ausbilden gekrümmter Schnittflächen in einem transparenten Material
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EP1180981A4 (en) 2005-09-28
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MXPA01010867A (es) 2002-05-06
ATE463218T1 (de) 2010-04-15
EP1180981A1 (en) 2002-02-27
DE60044126D1 (de) 2010-05-20
US6497701B2 (en) 2002-12-24
JP2002542877A (ja) 2002-12-17
WO2000066022A9 (en) 2001-12-27
CA2368228A1 (en) 2000-11-09
AU3612300A (en) 2000-11-17
JP4615735B2 (ja) 2011-01-19
EP1180981B1 (en) 2010-04-07
WO2000066022A1 (en) 2000-11-09

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