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DE69923618D1 - Verfahren zur Optimierung eines piezoelektrischen Antriebs, insbesondere für eine Vorrichtung zur Phaco-emulgierung, mittels dynamischer Bestimmung ihrer elektromechanischen Eigenschaften und Vorrichtung dafür - Google Patents

Verfahren zur Optimierung eines piezoelektrischen Antriebs, insbesondere für eine Vorrichtung zur Phaco-emulgierung, mittels dynamischer Bestimmung ihrer elektromechanischen Eigenschaften und Vorrichtung dafür

Info

Publication number
DE69923618D1
DE69923618D1 DE69923618T DE69923618T DE69923618D1 DE 69923618 D1 DE69923618 D1 DE 69923618D1 DE 69923618 T DE69923618 T DE 69923618T DE 69923618 T DE69923618 T DE 69923618T DE 69923618 D1 DE69923618 D1 DE 69923618D1
Authority
DE
Germany
Prior art keywords
phaco
emulsification
optimizing
piezoelectric drive
dynamic determination
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
DE69923618T
Other languages
English (en)
Other versions
DE69923618T2 (de
Inventor
Giov Battista Angelini
Gualtiero Regini
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.)
Optikon 2000 SpA
Original Assignee
Optikon 2000 SpA
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 Optikon 2000 SpA filed Critical Optikon 2000 SpA
Application granted granted Critical
Publication of DE69923618D1 publication Critical patent/DE69923618D1/de
Publication of DE69923618T2 publication Critical patent/DE69923618T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/802—Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits
    • 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
    • B06B1/0223—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/22—Measuring piezoelectric properties

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE69923618T 1998-03-27 1999-03-17 Verfahren zur Optimierung eines piezoelektrischen Antriebs, insbesondere für eine Vorrichtung zur Phaco-emulgierung, mittels dynamischer Bestimmung ihrer elektromechanischen Eigenschaften und Vorrichtung dafür Expired - Lifetime DE69923618T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT98RM000202A IT1299401B1 (it) 1998-03-27 1998-03-27 Procedimento di ottimizzazione del pilotaggio di un attuatore piezoelettrico, in particolare per dispositivi facoemulsificatori,
ITRM980202 1998-03-27

Publications (2)

Publication Number Publication Date
DE69923618D1 true DE69923618D1 (de) 2005-03-17
DE69923618T2 DE69923618T2 (de) 2006-04-06

Family

ID=11405746

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69923618T Expired - Lifetime DE69923618T2 (de) 1998-03-27 1999-03-17 Verfahren zur Optimierung eines piezoelektrischen Antriebs, insbesondere für eine Vorrichtung zur Phaco-emulgierung, mittels dynamischer Bestimmung ihrer elektromechanischen Eigenschaften und Vorrichtung dafür

Country Status (7)

Country Link
US (1) US6175180B1 (de)
EP (1) EP0945732B1 (de)
JP (1) JP4294150B2 (de)
AT (1) ATE289071T1 (de)
DE (1) DE69923618T2 (de)
ES (1) ES2237900T3 (de)
IT (1) IT1299401B1 (de)

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US6617681B1 (en) * 1999-06-28 2003-09-09 Intel Corporation Interposer and method of making same
US7316664B2 (en) 2002-10-21 2008-01-08 Advanced Medical Optics, Inc. Modulated pulsed ultrasonic power delivery system and method
US7077820B1 (en) * 2002-10-21 2006-07-18 Advanced Medical Optics, Inc. Enhanced microburst ultrasonic power delivery system and method
CA2830583C (en) 2003-03-12 2015-06-09 Abbott Medical Optics Inc. System and method for pulsed ultrasonic power delivery employing cavitation effects
JP4126253B2 (ja) 2003-06-25 2008-07-30 株式会社ニデック 超音波手術装置
US7811255B2 (en) * 2004-03-22 2010-10-12 Alcon, Inc. Method of controlling a surgical system based on a rate of change of an operating parameter
US7297137B2 (en) * 2004-03-22 2007-11-20 Alcon, Inc. Method of detecting surgical events
US7625388B2 (en) * 2004-03-22 2009-12-01 Alcon, Inc. Method of controlling a surgical system based on a load on the cutting tip of a handpiece
US7645256B2 (en) * 2004-08-12 2010-01-12 Alcon, Inc. Ultrasound handpiece
US7645255B2 (en) * 2004-03-22 2010-01-12 Alcon, Inc. Method of controlling a surgical system based on irrigation flow
US7572242B2 (en) * 2004-03-22 2009-08-11 Alcon, Inc. Method of operating an ultrasound handpiece
US7651490B2 (en) * 2004-08-12 2010-01-26 Alcon, Inc. Ultrasonic handpiece
US7614878B2 (en) * 2005-05-18 2009-11-10 Pcg, Inc. System and method for dynamic control of ultrasonic magnetostrictive dental scaler
US20070056596A1 (en) * 2005-08-31 2007-03-15 Alcon, Inc. Pulse manipulation for controlling a phacoemulsification surgical system
US7876025B2 (en) 2005-09-26 2011-01-25 Nanyang Technological University Ultrasonic mechanical emulsifier
US7785336B2 (en) 2006-08-01 2010-08-31 Abbott Medical Optics Inc. Vacuum sense control for phaco pulse shaping
US20080172076A1 (en) * 2006-11-01 2008-07-17 Alcon, Inc. Ultrasound apparatus and method of use
US8579929B2 (en) * 2006-12-08 2013-11-12 Alcon Research, Ltd. Torsional ultrasound hand piece that eliminates chatter
US8303530B2 (en) * 2007-05-10 2012-11-06 Novartis Ag Method of operating an ultrasound handpiece
WO2009036917A1 (de) 2007-09-13 2009-03-26 Carl Zeiss Surgical Gmbh Phakoemulsifikationsvorrichtung und verfahren zum betreiben derselben
US20100036256A1 (en) * 2008-08-08 2010-02-11 Mikhail Boukhny Offset ultrasonic hand piece
US20100094321A1 (en) * 2008-10-10 2010-04-15 Takayuki Akahoshi Ultrasound Handpiece
US9746923B2 (en) 2009-03-12 2017-08-29 Immersion Corporation Systems and methods for providing features in a friction display wherein a haptic effect is configured to vary the coefficient of friction
US10007340B2 (en) 2009-03-12 2018-06-26 Immersion Corporation Systems and methods for interfaces featuring surface-based haptic effects
US8623040B2 (en) 2009-07-01 2014-01-07 Alcon Research, Ltd. Phacoemulsification hook tip
US20110115754A1 (en) * 2009-11-17 2011-05-19 Immersion Corporation Systems and Methods For A Friction Rotary Device For Haptic Feedback
US8070711B2 (en) * 2009-12-09 2011-12-06 Alcon Research, Ltd. Thermal management algorithm for phacoemulsification system
US9018887B2 (en) 2010-04-01 2015-04-28 Westdale Holdings, Inc. Ultrasonic system controls, tool recognition means and feedback methods
US8784357B2 (en) 2010-09-15 2014-07-22 Alcon Research, Ltd. Phacoemulsification hand piece with two independent transducers
US10258505B2 (en) 2010-09-17 2019-04-16 Alcon Research, Ltd. Balanced phacoemulsification tip
US8414605B2 (en) 2011-07-08 2013-04-09 Alcon Research, Ltd. Vacuum level control of power for phacoemulsification hand piece
US9050627B2 (en) 2011-09-02 2015-06-09 Abbott Medical Optics Inc. Systems and methods for ultrasonic power measurement and control of phacoemulsification systems
CN107970506B (zh) 2012-04-10 2020-06-16 艾诺维亚股份有限公司 具有可控制的微滴电荷的定向微滴流在制备药物中的用途
EP2849949A4 (de) * 2012-05-15 2017-07-26 Eyenovia, Inc. Auswerfervorrichtungen, verfahren, treiber und schaltungen dafür
DE102014012917B3 (de) * 2014-09-05 2015-12-31 Carl Zeiss Meditec Ag Ophthalmochirurgisches System für die Phakoemulsifikation
EP3524946B1 (de) * 2018-02-12 2024-07-10 Honeywell International Inc. Funktioneller selbsttest für ein piezoelektrisches, in einem endprodukt eingesetztes element
US12220349B2 (en) 2019-02-06 2025-02-11 Alcon Inc. Ultrasonic handpiece with floating horn
CN110338970B (zh) * 2019-07-23 2024-02-02 以诺康医疗科技（苏州）有限公司 带传感器的超声乳化手柄及浪涌控制系统、方法
DE102019119911A1 (de) 2019-07-23 2021-01-28 Herrmann Ultraschalltechnik Gmbh & Co. Kg Verfahren und Generator zur Charakterisierung eines Schwingsystems
US11877953B2 (en) 2019-12-26 2024-01-23 Johnson & Johnson Surgical Vision, Inc. Phacoemulsification apparatus
US11883326B2 (en) * 2020-11-03 2024-01-30 Johnson & Johnson Surgical Vision, Inc. Phacoemulsification probe stroke length maximization system
CN119343113B (zh) * 2022-06-08 2026-01-02 卡尔蔡司医疗技术股份公司 颗粒接触检测方法、眼科手术系统的控制台及眼科手术系统

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Also Published As

Publication number Publication date
EP0945732B1 (de) 2005-02-09
EP0945732A2 (de) 1999-09-29
ATE289071T1 (de) 2005-02-15
ITRM980202A0 (it) 1998-03-27
ES2237900T3 (es) 2005-08-01
JPH11309171A (ja) 1999-11-09
ITRM980202A1 (it) 1999-09-27
DE69923618T2 (de) 2006-04-06
US6175180B1 (en) 2001-01-16
JP4294150B2 (ja) 2009-07-08
EP0945732A3 (de) 2002-12-04
IT1299401B1 (it) 2000-03-16

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