AR042985A1 - Iluminadores de puntos de tamano variable con homogeneidad y parfocalidad mejoradas - Google Patents

Iluminadores de puntos de tamano variable con homogeneidad y parfocalidad mejoradas

Info

Publication number
AR042985A1
AR042985A1 ARP040100290A ARP040100290A AR042985A1 AR 042985 A1 AR042985 A1 AR 042985A1 AR P040100290 A ARP040100290 A AR P040100290A AR P040100290 A ARP040100290 A AR P040100290A AR 042985 A1 AR042985 A1 AR 042985A1
Authority
AR
Argentina
Prior art keywords
light
image
illuminators
variable
size
Prior art date
Application number
ARP040100290A
Other languages
English (en)
Original Assignee
Alcon 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 Alcon Inc filed Critical Alcon Inc
Publication of AR042985A1 publication Critical patent/AR042985A1/es

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
    • A61F9/00821—Methods or devices for eye surgery using laser for coagulation
    • 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
    • A61F9/00821—Methods or devices for eye surgery using laser for coagulation
    • A61F9/00823—Laser features or special beam parameters therefor
    • 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
    • A61B2018/2255—Optical elements at the distal end of probe tips
    • A61B2018/2261—Optical elements at the distal end of probe tips with scattering, diffusion or dispersion of light
    • 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

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 Surgery Devices (AREA)
  • Microscoopes, Condenser (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

La presente proporciona tanto iluminadores de punto de tamano continuamente variable como iluminadores de punto de tamano separadamente variable que pueden ser utilizados en muchas aplicaciones, por ejemplo, terapia fotodinámica, para proporcionar un punto luminoso sobre un plano de tratamiento, por ejemplo, una retina de un paciente, cuyo tamano puede ser ajustado continuamente o separadamente mientras que se asegura que la fluencia de luz y la distancia focal de trabajo queden sustancialmente constantes en todos los tamanos de puntos, preservando de este modo parfocalidad con otros sistemas ópticos. En un iluminador de punto de tamano variable continuo de la presente, un sistema de lente enfocante es empleado para formar una imagen de una fuente de luz sobre un plano intermedio, y una abertura variable se utiliza para seleccionar una porción de la imagen intermedia. Un sistema de lente objetivo después produce la imagen de la porción seleccionada de la imagen intermedia sobre un plano de tratamiento. Un iluminador de punto de tamano variable separadamente del invento emplea una pluralidad de difusores de conformación de luz, cada uno de los cuales imparte una distribución predefinida de intensidad de campo distante a la luz transmitida a través del mismo para seleccionar la forma y/o tamano de una imagen formada sobre el plano de tratamiento de entre una cantidad separada de elecciones, cada una asociada con acoplamiento de uno de los difusores con una fuente de luz.
ARP040100290A 2003-02-03 2004-01-30 Iluminadores de puntos de tamano variable con homogeneidad y parfocalidad mejoradas AR042985A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/357,006 US20040151008A1 (en) 2003-02-03 2003-02-03 Variable spot size illuminators with enhanced homogeneity and parfocality

Publications (1)

Publication Number Publication Date
AR042985A1 true AR042985A1 (es) 2005-07-13

Family

ID=32770927

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP040100290A AR042985A1 (es) 2003-02-03 2004-01-30 Iluminadores de puntos de tamano variable con homogeneidad y parfocalidad mejoradas

Country Status (3)

Country Link
US (1) US20040151008A1 (es)
AR (1) AR042985A1 (es)
WO (1) WO2004069071A2 (es)

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Also Published As

Publication number Publication date
WO2004069071A3 (en) 2004-11-25
WO2004069071A2 (en) 2004-08-19
US20040151008A1 (en) 2004-08-05

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