BRPI0408485A - sistema e método para envio de potência ultra-sÈnica pulsada empregando efeitos de cavitação - Google Patents

sistema e método para envio de potência ultra-sÈnica pulsada empregando efeitos de cavitação

Info

Publication number
BRPI0408485A
BRPI0408485A BRPI0408485-3A BRPI0408485A BRPI0408485A BR PI0408485 A BRPI0408485 A BR PI0408485A BR PI0408485 A BRPI0408485 A BR PI0408485A BR PI0408485 A BRPI0408485 A BR PI0408485A
Authority
BR
Brazil
Prior art keywords
energy
ultrasonic power
sending
pulsed ultrasonic
cavitation effects
Prior art date
Application number
BRPI0408485-3A
Other languages
English (en)
Inventor
Kenneth E Kadziauskas
Paul W Rockley
Mark Schafer
Original Assignee
Advanced Medical Optics 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
Priority claimed from US10/387,335 external-priority patent/US7316664B2/en
Application filed by Advanced Medical Optics Inc filed Critical Advanced Medical Optics Inc
Publication of BRPI0408485A publication Critical patent/BRPI0408485A/pt

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
    • A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
    • A61F9/00745—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments using mechanical vibrations, e.g. ultrasonic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0215—Driving circuits for generating pulses, e.g. bursts of oscillations, envelopes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • B06B1/023—Driving circuits for generating signals continuous in time and stepped in amplitude, e.g. square wave, 2-level signal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • B06B1/0238—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
    • B06B1/0246—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal
    • B06B1/0253—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal taken directly from the generator circuit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00137—Details of operation mode
    • A61B2017/00154—Details of operation mode pulsed
    • A61B2017/00172—Pulse trains, bursts, intermittent continuous operation
    • A61B2017/00176—Two pulses, e.g. second pulse having an effect different from the first one
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00137—Details of operation mode
    • A61B2017/00154—Details of operation mode pulsed
    • A61B2017/00194—Means for setting or varying the repetition rate
    • 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
    • A61B2018/00666—Sensing and controlling the application of energy using a threshold value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70—Specific application
    • B06B2201/76—Medical, dental

Abstract

"SISTEMA E MéTODO PARA ENVIO DE POTêNCIA ULTRA-SÈNICA PULSADA EMPREGANDO EFEITOS DE CAVITAçãO". A presente invenção refere-se a um método e um aparelho para o envio de energia durante um procedimento cirúrgico, tal como facoemulsificação. O método e o aparelho incluem o envio de energia durante um procedimento cirúrgico, incluindo a aplicação de energia em um nível e por um período de tempo suficiente para a indução de cavitação transiente, e a redução da energia aplicada após a aplicação de energia durante um segundo período de energia mais baixo não nulo.
BRPI0408485-3A 2003-03-12 2004-03-11 sistema e método para envio de potência ultra-sÈnica pulsada empregando efeitos de cavitação BRPI0408485A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/387,335 US7316664B2 (en) 2002-10-21 2003-03-12 Modulated pulsed ultrasonic power delivery system and method
US10/387,327 US20040092921A1 (en) 2002-10-21 2003-03-12 System and method for pulsed ultrasonic power delivery employing cavitation effects
PCT/US2004/007318 WO2004080505A2 (en) 2003-03-12 2004-03-11 System and method for pulsed ultrasonic power delivery employing cavitation effects

Publications (1)

Publication Number Publication Date
BRPI0408485A true BRPI0408485A (pt) 2006-04-18

Family

ID=38278948

Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI0408481-0A BRPI0408481A (pt) 2003-03-12 2004-03-11 sistema e processo de administração de energia ultra-sÈnica pulsada modulada
BRPI0408485-3A BRPI0408485A (pt) 2003-03-12 2004-03-11 sistema e método para envio de potência ultra-sÈnica pulsada empregando efeitos de cavitação

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BRPI0408481-0A BRPI0408481A (pt) 2003-03-12 2004-03-11 sistema e processo de administração de energia ultra-sÈnica pulsada modulada

Country Status (8)

Country Link
US (1) US20040092921A1 (pt)
EP (2) EP1608280B1 (pt)
JP (2) JP2006519658A (pt)
CN (2) CN1777397B (pt)
AU (3) AU2004236631B2 (pt)
BR (2) BRPI0408481A (pt)
CA (2) CA2518775C (pt)
WO (2) WO2004080505A2 (pt)

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