ES2077384T3 - Dispositivo de alimentacion para electrodos bipolares para capsulotomia. - Google Patents

Dispositivo de alimentacion para electrodos bipolares para capsulotomia.

Info

Publication number
ES2077384T3
ES2077384T3 ES92810203T ES92810203T ES2077384T3 ES 2077384 T3 ES2077384 T3 ES 2077384T3 ES 92810203 T ES92810203 T ES 92810203T ES 92810203 T ES92810203 T ES 92810203T ES 2077384 T3 ES2077384 T3 ES 2077384T3
Authority
ES
Spain
Prior art keywords
capsulotomy
instrument
diathermal
pause
current
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
ES92810203T
Other languages
English (en)
Inventor
Heinz A Oertli
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.)
OERTLI INSTR AG
Original Assignee
OERTLI INSTR 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 OERTLI INSTR AG filed Critical OERTLI INSTR AG
Application granted granted Critical
Publication of ES2077384T3 publication Critical patent/ES2077384T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61B18/1206—Generators 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
    • A61B18/04—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
    • 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
    • A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
    • A61F9/00754—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments for cutting or perforating the anterior lens capsule, e.g. capsulotomes
    • 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
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/0066—Sensing and controlling the application of energy without feedback, i.e. open loop control
    • 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
    • A61B2018/1472—Probes or electrodes therefor for use with liquid electrolyte, e.g. virtual electrodes
    • 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)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Ophthalmology & Optometry (AREA)
  • Vascular Medicine (AREA)
  • Surgical Instruments (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Electrotherapy Devices (AREA)
  • Laser Surgery Devices (AREA)

Abstract

ALIMENTADOR PARA ELECTRODOS BIPOLARES PARA LA CAPSULOTOMIA. PARA LA OPTIMA REALIZACION DE UNA INCISION EN UNA CAPSULOTOMIA SE CONDUCE CORRIENTE RF PULSADA A UN INSTRUMENTO DE DIATERMIA BIPOLAR. LA ANCHURA DE IMPULSOS DE TRABAJO SE PUEDE MODIFICAR CONSTANTEMENTE ENTRE 3 MS Y 11 MS, CON LO QUE SE ESTABLECE UNA PAUSA DE 30 MS O 22 MS. ESTA PAUSA ES SUFICIENTE PARA REFRIGERAR LA PUNTA DEL INSTRUMENTO BAÑADA CON CLORURO SODICO, PARA QUE NO SE PUEDA PRODUCIR NINGUN DAÑO DE LOS TEJIDOS VECINOS. LA FRECUENCIA DE REPETICION DE IMPULSOS ES DE UNOS 15 HZ. EL APARATO NECESARIO PARA ELLO COMPRENDE UN CONTROL DE ANCHURA DE IMPULSOS (31) Y UN OSCILADOR RF (30). CON UN PUERTO Y (35) SE EMITE CICLICAMENTE LA CORRIENTE RF MEDIANTE IMPULSOS PROCEDENTES DEL CONTROL (31). UN AMPLIFICADOR (40) ALIMENTA A TRAVES DE UN TRANSMISOR (46) LA PIEZA MANUAL (21) DEL INSTRUMENTO DE DIATERMIA; DE ESTE MODO QUEDA GARANTIZADO EL SERVICIO PROLONGADO Y LIBRE DE POTENCIAL DE TIERRA
ES92810203T 1991-03-28 1992-03-20 Dispositivo de alimentacion para electrodos bipolares para capsulotomia. Expired - Lifetime ES2077384T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH96591 1991-03-28

Publications (1)

Publication Number Publication Date
ES2077384T3 true ES2077384T3 (es) 1995-11-16

Family

ID=4199311

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92810203T Expired - Lifetime ES2077384T3 (es) 1991-03-28 1992-03-20 Dispositivo de alimentacion para electrodos bipolares para capsulotomia.

Country Status (7)

Country Link
US (1) US5346491A (es)
EP (1) EP0506618B1 (es)
JP (1) JP2501509B2 (es)
AT (1) ATE124617T1 (es)
CA (1) CA2064271A1 (es)
DE (1) DE59202774D1 (es)
ES (1) ES2077384T3 (es)

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US5533999A (en) * 1993-08-23 1996-07-09 Refractec, Inc. Method and apparatus for modifications of visual acuity by thermal means
US20020002369A1 (en) * 1993-08-23 2002-01-03 Hood Larry L. Method and apparatus for modifying visual acuity by moving a focal point of energy within a cornea
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US5749871A (en) * 1993-08-23 1998-05-12 Refractec Inc. Method and apparatus for modifications of visual acuity by thermal means
US5634921A (en) * 1993-08-23 1997-06-03 Hood; Larry Method and apparatus for modifications of visual acuity by thermal means
CA2183103A1 (en) * 1994-02-09 1995-08-17 Thomas A. Silvestrini An electrosurgical procedure recurving the cornea
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US6479785B1 (en) 1998-07-09 2002-11-12 Richard J. Fugo Device for plasma incision of mater with a specifically tuned radiofrequencty electromagnetic field generator
US6787730B2 (en) * 1998-07-09 2004-09-07 Damian Coccio Device for plasma incision of matter with a specifically tuned radiofrequency electromagnetic field generator
US7137980B2 (en) 1998-10-23 2006-11-21 Sherwood Services Ag Method and system for controlling output of RF medical generator
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Also Published As

Publication number Publication date
CA2064271A1 (en) 1992-09-29
JP2501509B2 (ja) 1996-05-29
US5346491A (en) 1994-09-13
JPH0576562A (ja) 1993-03-30
DE59202774D1 (de) 1995-08-10
EP0506618A1 (de) 1992-09-30
ATE124617T1 (de) 1995-07-15
EP0506618B1 (de) 1995-07-05

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