MX9603274A - Procedimiento electroquirurgico para volver a curvar la cornea. - Google Patents

Procedimiento electroquirurgico para volver a curvar la cornea.

Info

Publication number
MX9603274A
MX9603274A MX9603274A MX9603274A MX9603274A MX 9603274 A MX9603274 A MX 9603274A MX 9603274 A MX9603274 A MX 9603274A MX 9603274 A MX9603274 A MX 9603274A MX 9603274 A MX9603274 A MX 9603274A
Authority
MX
Mexico
Prior art keywords
corneal
bowman
cornea
layer
probe
Prior art date
Application number
MX9603274A
Other languages
English (en)
Inventor
Thomas A Silvestrini
Original Assignee
Keravision 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 Keravision Inc filed Critical Keravision Inc
Publication of MX9603274A publication Critical patent/MX9603274A/es

Links

Classifications

    • 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
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • 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
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1402—Probes for open surgery
    • 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
    • A61F9/0079—Methods or devices for eye surgery using non-laser electromagnetic radiation, e.g. non-coherent light or microwaves

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Otolaryngology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Laser Surgery Devices (AREA)
  • Surgical Instruments (AREA)

Abstract

Esta invencion es un dispositivo y un procedimiento para la correccion de las anormalidades opticas en un ojo humano. Este involucra el uso de una sonda (200) de energía electroquirurgica, de la invencion, con configuraciones físicas específicas (204). El proceso utiliza preferentemente un dispositivo de electro-desecacion o de ablacion o desgaste de alta frecuencia de radio. El procedimiento involucra el paso inicial de formar al menos un sitio de acceso que permite el acceso al volumen corneal por detrás de la capa de Bowman. Este es colocado preferentemente en la superficie anterior de la cornea a través y que termina por atrás de la capa de Bowman del ojo. La sonda electroquirurgica es luego introducida en el sitio de acceso y, dependiendo de la anormalidad visual a ser corregida, la sonda es activada para ajustar el volumen de las capas estromáticas corneales a través de ablacion o desecacion. Por ejemplo, si la aberracion optica a ser aliviada es hiperopía, puede ser llevada a cabo una reduccion del volumen corneal, teniendo lugar alrededor de la periferia exterior de la masa corneal. En ciertas circunstancias, la capa de Bowman puede ser cortada para permitir que la curvatura de la cornea cambie después del ajuste del volumen corneal. Estos cortes auxiliares pueden ser radiales, circulares, semicirculares o de cualquier otra forma apropiada para el ajuste opcional necesario.
MX9603274A 1994-02-09 1995-02-06 Procedimiento electroquirurgico para volver a curvar la cornea. MX9603274A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19420794A 1994-02-09 1994-02-09
PCT/US1995/001613 WO1995021578A1 (en) 1994-02-09 1995-02-06 An electrosurgical procedure recurving the cornea

Publications (1)

Publication Number Publication Date
MX9603274A true MX9603274A (es) 1997-02-28

Family

ID=22716722

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9603274A MX9603274A (es) 1994-02-09 1995-02-06 Procedimiento electroquirurgico para volver a curvar la cornea.

Country Status (13)

Country Link
US (2) US20020049437A1 (es)
EP (1) EP0743838A4 (es)
JP (1) JPH09511161A (es)
KR (1) KR970701021A (es)
CN (1) CN1143900A (es)
AU (1) AU686743B2 (es)
BR (1) BR9506762A (es)
CA (1) CA2183103A1 (es)
IL (1) IL112576A (es)
MX (1) MX9603274A (es)
SG (1) SG52621A1 (es)
TW (1) TW274514B (es)
WO (1) WO1995021578A1 (es)

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Also Published As

Publication number Publication date
WO1995021578A1 (en) 1995-08-17
SG52621A1 (en) 1998-09-28
EP0743838A1 (en) 1996-11-27
US20020049437A1 (en) 2002-04-25
AU1700395A (en) 1995-08-29
CA2183103A1 (en) 1995-08-17
US5766171A (en) 1998-06-16
IL112576A0 (en) 1995-05-26
BR9506762A (pt) 1997-10-07
TW274514B (es) 1996-04-21
EP0743838A4 (en) 1999-01-07
KR970701021A (ko) 1997-03-17
CN1143900A (zh) 1997-02-26
IL112576A (en) 1998-10-30
AU686743B2 (en) 1998-02-12
JPH09511161A (ja) 1997-11-11

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