WO1987001819A3 - Dispositif generateur d'un spot de rayon laser de grandeur reglable - Google Patents

Dispositif generateur d'un spot de rayon laser de grandeur reglable Download PDF

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Publication number
WO1987001819A3
WO1987001819A3 PCT/DE1986/000360 DE8600360W WO8701819A3 WO 1987001819 A3 WO1987001819 A3 WO 1987001819A3 DE 8600360 W DE8600360 W DE 8600360W WO 8701819 A3 WO8701819 A3 WO 8701819A3
Authority
WO
WIPO (PCT)
Prior art keywords
pct
eye
focusing
spot
sec
Prior art date
Application number
PCT/DE1986/000360
Other languages
German (de)
English (en)
Other versions
WO1987001819A2 (fr
Inventor
Werner Reis
Werner Bisle
Original Assignee
Rodenstock Instr
Werner Reis
Werner Bisle
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
Priority claimed from DE19853532464 external-priority patent/DE3532464A1/de
Priority claimed from DE19863608242 external-priority patent/DE3608242A1/de
Application filed by Rodenstock Instr, Werner Reis, Werner Bisle filed Critical Rodenstock Instr
Priority to DE8686905214T priority Critical patent/DE3685577D1/de
Priority to AT86905214T priority patent/ATE76984T1/de
Publication of WO1987001819A2 publication Critical patent/WO1987001819A2/fr
Publication of WO1987001819A3 publication Critical patent/WO1987001819A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • 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
    • A61F9/00821—Methods or devices for eye surgery using laser for coagulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/035—Aligning the laser beam
    • 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
    • A61B2018/2035—Beam shaping or redirecting; Optical components therefor
    • A61B2018/20351—Scanning mechanisms
    • A61B2018/20359—Scanning mechanisms by movable mirrors, e.g. galvanometric
    • 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
    • A61B18/22—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 the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • A61B2018/2205—Characteristics of fibres
    • A61B2018/2211—Plurality of fibres
    • 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
    • A61F2009/00863—Retina
    • 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
    • A61F2009/00897—Scanning mechanisms or algorithms

Abstract

Un dispositif est utilisé pour générer un spot de rayon laser de grandeur réglable sur un objet, en particulier dans un oeil humain (40). Le dispositif comprend un agencement focaliseur (60) qui reproduit le rayon laser sur l'objet avec un spot de focalisation réduit et un large cône d'ouverture, et un agencement de déviation (70) qui déplace le spot de focalisation sur la surface voulue du spot d'irradiation (II) selon un modèle prédéterminé de balayage. Il devient ainsi possible, de traiter par exemple de larges zones, ayant n'importe quelle forme voulue, du fond de l'oeil sans provoquer des lésions des sections antérieures de l'oeil.
PCT/DE1986/000360 1985-09-11 1986-09-11 Dispositif generateur d'un spot de rayon laser de grandeur reglable WO1987001819A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE8686905214T DE3685577D1 (de) 1985-09-11 1986-09-11 Vorrichtung zur erzeugung eines laserstrahlflecks einstellbarer groesse.
AT86905214T ATE76984T1 (de) 1985-09-11 1986-09-11 Vorrichtung zur erzeugung eines laserstrahlflecks einstellbarer groesse.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19853532464 DE3532464A1 (de) 1985-09-11 1985-09-11 Verfahren und vorrichtung zur erzeugung eines laserstrahlflecks einstellbarer groesse
DEP3532464.3 1985-09-11
DEP3608242.2 1986-03-12
DE19863608242 DE3608242A1 (de) 1986-03-12 1986-03-12 Verfahren und vorrichtung zur erzeugung eines laserstrahlflecks einstellbarer groesse (ii)

Publications (2)

Publication Number Publication Date
WO1987001819A2 WO1987001819A2 (fr) 1987-03-26
WO1987001819A3 true WO1987001819A3 (fr) 1987-04-23

Family

ID=25835889

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1986/000360 WO1987001819A2 (fr) 1985-09-11 1986-09-11 Dispositif generateur d'un spot de rayon laser de grandeur reglable

Country Status (5)

Country Link
US (1) US4887019A (fr)
EP (1) EP0236377B1 (fr)
AT (1) ATE76984T1 (fr)
DE (1) DE3685577D1 (fr)
WO (1) WO1987001819A2 (fr)

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DE4232915A1 (de) * 1992-10-01 1994-04-07 Hohla Kristian Vorrichtung zur Formung der Cornea durch Abtragen von Gewebe
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US20010016732A1 (en) * 1998-02-03 2001-08-23 James L. Hobart Dual mode laser delivery system providing controllable depth of tissue ablation and corresponding controllable depth of coagulation
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US6149643A (en) * 1998-09-04 2000-11-21 Sunrise Technologies International, Inc. Method and apparatus for exposing a human eye to a controlled pattern of radiation
DE19914914B4 (de) * 1999-04-01 2016-10-06 Carl Zeiss Meditec Ag Verfahren und Anordnung zur zielgerichteten Applikation eines Therapiestrahls, insbesondere zur Behandlung kranker Bereiche im Auge
US6488676B1 (en) * 1999-09-24 2002-12-03 Visx, Incorporated Two-pivot scanning for laser eye surgery
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US6610050B2 (en) * 2001-07-27 2003-08-26 20/10 Perfect Vision, Optische Geraete Gmbh Laser beam delivery system with multiple focal points
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US7618415B2 (en) * 2004-04-09 2009-11-17 Technolas Perfect Vision Gmbh Beam steering system for corneal laser surgery
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Also Published As

Publication number Publication date
ATE76984T1 (de) 1992-06-15
EP0236377B1 (fr) 1992-06-03
EP0236377A1 (fr) 1987-09-16
WO1987001819A2 (fr) 1987-03-26
DE3685577D1 (de) 1992-07-09
US4887019A (en) 1989-12-12

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