WO2001074500A3 - Sonic transducer and feedback control method thereof - Google Patents

Sonic transducer and feedback control method thereof Download PDF

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Publication number
WO2001074500A3
WO2001074500A3 PCT/IB2001/000709 IB0100709W WO0174500A3 WO 2001074500 A3 WO2001074500 A3 WO 2001074500A3 IB 0100709 W IB0100709 W IB 0100709W WO 0174500 A3 WO0174500 A3 WO 0174500A3
Authority
WO
WIPO (PCT)
Prior art keywords
control method
transducer
feedback control
sonic
sonic transducer
Prior art date
Application number
PCT/IB2001/000709
Other languages
French (fr)
Other versions
WO2001074500A2 (en
Inventor
Douglas L Lewis
Scott Ecelberger
Eilaz Babaev
Robert J Wojciechowski
Ashok Kumar
Jian Ruan
Manish Kochar
Original Assignee
Diasorin S R L
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 Diasorin S R L filed Critical Diasorin S R L
Priority to AU2001248712A priority Critical patent/AU2001248712A1/en
Publication of WO2001074500A2 publication Critical patent/WO2001074500A2/en
Publication of WO2001074500A3 publication Critical patent/WO2001074500A3/en

Links

Classifications

    • 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
    • B06B1/0261—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal taken from a transducer or electrode connected to the driving transducer

Abstract

A sonic transducer (12) includes a transducer body (16) and a drive element (18) coupled to the transducer body (16) to produce a sonic output in response to an applied electrical input. A sense element (20) is coupled to the drive element (18) and is configured to provide an electrical feedback output related to the sonic output. The electrical feedback output is adapted to be used to control the applied electrical input to the drive element (18) so as to control the energy delivered to the working area or tip (102) of the transducer (12).
PCT/IB2001/000709 2000-03-29 2001-03-27 Sonic transducer and feedback control method thereof WO2001074500A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001248712A AU2001248712A1 (en) 2000-03-29 2001-03-27 Sonic transducer and feedback control method thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/537,349 US6392327B1 (en) 2000-03-29 2000-03-29 Sonic transducer and feedback control method thereof
US09/537,349 2000-03-29

Publications (2)

Publication Number Publication Date
WO2001074500A2 WO2001074500A2 (en) 2001-10-11
WO2001074500A3 true WO2001074500A3 (en) 2002-03-28

Family

ID=24142283

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2001/000709 WO2001074500A2 (en) 2000-03-29 2001-03-27 Sonic transducer and feedback control method thereof

Country Status (3)

Country Link
US (1) US6392327B1 (en)
AU (1) AU2001248712A1 (en)
WO (1) WO2001074500A2 (en)

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US6620123B1 (en) * 1999-12-17 2003-09-16 Sontra Medical, Inc. Method and apparatus for producing homogenous cavitation to enhance transdermal transport
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US8235919B2 (en) * 2001-01-12 2012-08-07 Celleration, Inc. Ultrasonic method and device for wound treatment
US6908448B2 (en) * 2001-08-24 2005-06-21 Dermisonics, Inc. Substance delivery device
US20050075598A1 (en) * 2001-08-24 2005-04-07 Redding Bruce K. Method and apparatus for the measurement of real time drug delivery through the use of a wearable monitor and sensor attached to a transdermal drug delivery device
US7117754B2 (en) * 2002-10-28 2006-10-10 The Curators Of The University Of Missouri Torque ripple sensor and mitigation mechanism
US8491521B2 (en) 2007-01-04 2013-07-23 Celleration, Inc. Removable multi-channel applicator nozzle
EP2688634A1 (en) 2011-03-23 2014-01-29 Bruce K. Redding, Jr. Systems and methods for enhancing the delivery of compounds to skin pores using ultrasonic waveforms
WO2015080901A1 (en) 2013-11-26 2015-06-04 Celleration Inc. Systems and methods for producing and delivering ultrasonic therapies for wound treatment and healing
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GB1359701A (en) * 1970-06-30 1974-07-10 Siemens Ag Piezoelectric vibrators
US4275388A (en) * 1980-01-09 1981-06-23 General Electric Company Piezoelectric audible alarm frequency self-calibration system
US4979952A (en) * 1987-03-02 1990-12-25 Olympus Optical Co., Ltd. Ultrasonic vibration treatment apparatus

Also Published As

Publication number Publication date
AU2001248712A1 (en) 2001-10-15
US6392327B1 (en) 2002-05-21
WO2001074500A2 (en) 2001-10-11

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