ES2060185T3 - Procedimiento y dispositivo para el modelado o correccion de lentes opticas, en especial de la cornea ocular. - Google Patents

Procedimiento y dispositivo para el modelado o correccion de lentes opticas, en especial de la cornea ocular.

Info

Publication number
ES2060185T3
ES2060185T3 ES90910720T ES90910720T ES2060185T3 ES 2060185 T3 ES2060185 T3 ES 2060185T3 ES 90910720 T ES90910720 T ES 90910720T ES 90910720 T ES90910720 T ES 90910720T ES 2060185 T3 ES2060185 T3 ES 2060185T3
Authority
ES
Spain
Prior art keywords
mask
laser
impulses
modeling
correction
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
ES90910720T
Other languages
English (en)
Inventor
Eckhard Schroder
Joachim Fiedler
Stefan Pieger
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.)
Aesculap AG
Original Assignee
Aesculap AG
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 Aesculap AG filed Critical Aesculap AG
Application granted granted Critical
Publication of ES2060185T3 publication Critical patent/ES2060185T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Optics & Photonics (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Laser Beam Processing (AREA)
  • Laser Surgery Devices (AREA)

Abstract

CON EL FIN DE ALCANZAR CON UN DISPOSITIVO PARA EL MODELADO O CORRECCION DE LENTES OPTICAS, EN ESPECIAL DE LA CORNEA DEL OJO, CON UN LASER DE IMPULSOS, CUYOS IMPULSOS DE RADIACION SE DIRIGEN POR MEDIO DE ELEMENTOS DE REPRODUCCION Y DIAFRAGMAS SOBRE SUPERFICIES DE LENTES A MODELAR DE TAL FORMA QUE LAS SUPERFICIES ANULARES CONCENTRICAS SOBRE LA SUPERFICIE DE LA LENTE SE CARGAN CON UN DIFERENTE NUMERO DE IMPULSOS DE RADIACION Y, POR TANTO, SE EROSIONAN CON DIFERENTE PROFUNDIDAD, UNA DOSIFICACION PRECISA DE LA CANTIDAD DE IMPULSOS DE RADIACION SOBRE LA TOTALIDAD DE LA SUPERFICIE A TRATAR Y GARANTIZAR UN ENLACE EXACTO DE LAS SUPERFICIES RADIADAS, SE PROPONE QUE EN LA LENTE ESTE ALOJADA UNA MASCARA GIRATORIA ALREDEDOR DE UN EJE SITUADO PERPENDICULAR A LA SUPERFICIE DE LA LENTE, SUJETA A LA LENTE, QUE EN DIRECCION RADIAL PRESENTE VARIAS ESCOTADURAS DISPUESTAS CONCENTRICAS ENTRE SI EN DIRECCION DE LA PERIFERIA, CUYAS LONGITUDES SEAN DIFERENTES EN DIRECCION DE LA PERIFERIA, QUE UN ACCIONAMIENTO GIRELA MASCARA PASO A PASO Y QUE ESTE PREVISTO UN CONTROL PARA EL ACCIONAMIENTO Y PARA EL LASER, QUE ENCIENDA EL LASER CADA VEZ DESPUES DE QUE LA MASCARA HAYA SIDO GIRADA OTRA VEZ DURANTE LA PARADA DE LA MASCARA.
ES90910720T 1990-07-07 1990-07-07 Procedimiento y dispositivo para el modelado o correccion de lentes opticas, en especial de la cornea ocular. Expired - Lifetime ES2060185T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1990/001101 WO1992000711A1 (de) 1990-07-07 1990-07-07 Verfahren und vorrichtung zur modellierung oder korrektur von optischen linsen, insbesondere der hornhaut des auges

Publications (1)

Publication Number Publication Date
ES2060185T3 true ES2060185T3 (es) 1994-11-16

Family

ID=8165495

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90910720T Expired - Lifetime ES2060185T3 (es) 1990-07-07 1990-07-07 Procedimiento y dispositivo para el modelado o correccion de lentes opticas, en especial de la cornea ocular.

Country Status (4)

Country Link
EP (1) EP0538249B1 (es)
DE (1) DE59007289D1 (es)
ES (1) ES2060185T3 (es)
WO (1) WO1992000711A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4232690C1 (de) * 1992-09-30 1994-04-07 Aesculap Ag Verfahren und Vorrichtung zur Formkorrektur einer Linse
AU7099694A (en) * 1993-06-04 1995-01-03 Summit Technology, Inc. Rotatable aperture apparatus and methods for selective photoablation of surfaces
US5578512A (en) * 1993-09-07 1996-11-26 Industrial Technology Research Institute Power MESFET structure and fabrication process with high breakdown voltage and enhanced source to drain current

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4718418A (en) * 1983-11-17 1988-01-12 Lri L.P. Apparatus for ophthalmological surgery
US4732148A (en) * 1983-11-17 1988-03-22 Lri L.P. Method for performing ophthalmic laser surgery
DE3535073A1 (de) * 1985-09-27 1987-04-09 Seiler Geraetebau Photoablationsblende
DE3615042C2 (de) * 1986-05-03 1994-11-10 Michael Ulrich Prof D Dardenne Vorrichtung zur Korrektur oder Neugestaltung der Wölbung der Augnhornhaut durch Photoablation von Laserstrahlung
FR2617042B1 (fr) * 1987-06-25 1994-05-13 Hanna Khalil Dispositif de chirurgie de la cornee
ATE110952T1 (de) * 1988-06-09 1994-09-15 Visx Inc Vorrichtung zur laserformung der hornhaut.
GB2221162A (en) * 1988-07-11 1990-01-31 Mezhotras N Tekh Mikrochirurg Device for correcting ocular refraction anomalies
US5152759A (en) * 1989-06-07 1992-10-06 University Of Miami, School Of Medicine, Dept. Of Ophthalmology Noncontact laser microsurgical apparatus

Also Published As

Publication number Publication date
EP0538249B1 (de) 1994-09-21
DE59007289D1 (de) 1994-10-27
EP0538249A1 (de) 1993-04-28
WO1992000711A1 (de) 1992-01-23

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