EP0421286A3 - Piezoelectric transducer - Google Patents

Piezoelectric transducer Download PDF

Info

Publication number
EP0421286A3
EP0421286A3 EP19900118633 EP90118633A EP0421286A3 EP 0421286 A3 EP0421286 A3 EP 0421286A3 EP 19900118633 EP19900118633 EP 19900118633 EP 90118633 A EP90118633 A EP 90118633A EP 0421286 A3 EP0421286 A3 EP 0421286A3
Authority
EP
European Patent Office
Prior art keywords
piezoelectric transducer
piezoelectric
transducer
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.)
Granted
Application number
EP19900118633
Other languages
English (en)
Other versions
EP0421286A2 (de
EP0421286B1 (de
Inventor
Dagobert Schaefer
Werner Krauss
Peter Jaggy
Helmut Wurster
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.)
Richard Wolf GmbH
Original Assignee
Richard Wolf GmbH
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 Richard Wolf GmbH filed Critical Richard Wolf GmbH
Publication of EP0421286A2 publication Critical patent/EP0421286A2/de
Publication of EP0421286A3 publication Critical patent/EP0421286A3/de
Application granted granted Critical
Publication of EP0421286B1 publication Critical patent/EP0421286B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
    • B06B1/0622—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
EP90118633A 1989-10-03 1990-09-28 Piezoelektrischer Wandler Expired - Lifetime EP0421286B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3932959 1989-10-03
DE3932959A DE3932959C1 (de) 1989-10-03 1989-10-03

Publications (3)

Publication Number Publication Date
EP0421286A2 EP0421286A2 (de) 1991-04-10
EP0421286A3 true EP0421286A3 (en) 1992-06-03
EP0421286B1 EP0421286B1 (de) 1994-11-09

Family

ID=6390734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90118633A Expired - Lifetime EP0421286B1 (de) 1989-10-03 1990-09-28 Piezoelektrischer Wandler

Country Status (3)

Country Link
US (1) US5111805A (de)
EP (1) EP0421286B1 (de)
DE (2) DE3932959C1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE465552B (sv) * 1989-03-21 1991-09-30 Hans Wiksell Anordning foer soenderdelning av konkrement i kroppen paa en patient
DE3932967A1 (de) * 1989-10-03 1991-04-11 Wolf Gmbh Richard Ultraschall-stosswellenwandler
DE4000362C2 (de) * 1990-01-09 1993-11-11 Wolf Gmbh Richard Ultraschallwandler mit piezoelektrischen Wandlerelementen
DE4117638A1 (de) * 1990-05-30 1991-12-05 Toshiba Kawasaki Kk Stosswellengenerator mit einem piezoelektrischen element
DE4307669C2 (de) * 1993-03-11 1995-06-29 Wolf Gmbh Richard Gerät zur Erzeugung von Schallimpulsen für den medizinischen Anwendungsbereich
US5743855A (en) * 1995-03-03 1998-04-28 Acuson Corporation Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
US5438998A (en) * 1993-09-07 1995-08-08 Acuson Corporation Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
US5415175A (en) * 1993-09-07 1995-05-16 Acuson Corporation Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
DE4336149A1 (de) * 1993-10-22 1995-04-27 Siemens Ag Ultraschallwandler, der aus einer Vielzahl von Wandlerelementen zusammengesetzt ist
US5371483A (en) * 1993-12-20 1994-12-06 Bhardwaj; Mahesh C. High intensity guided ultrasound source
FI95781C (fi) * 1994-04-19 1996-03-25 Outokumpu Mintec Oy Menetelmä ja laitteisto imukuivainlaitteen suodatinväliaineen puhdistamiseksi
DE19507478C1 (de) * 1995-03-03 1996-05-15 Siemens Ag Therapiegerät zur Behandlung mit fokussiertem Ultraschall
US5713371A (en) * 1995-07-07 1998-02-03 Sherman; Dani Method of monitoring cervical dilatation during labor, and ultrasound transducer particularly useful in such method
DE19543741C1 (de) * 1995-11-24 1997-05-22 Wolf Gmbh Richard Elektroakustischer Wandler
DE19624443C2 (de) * 1996-06-19 1998-05-14 Wolf Gmbh Richard Elektroakustischer Wandler
US6669655B1 (en) * 1999-10-20 2003-12-30 Transurgical, Inc. Sonic element and catheter incorporating same
DE19954020C2 (de) * 1999-11-10 2002-02-28 Fraunhofer Ges Forschung Verfahren zur Herstellung eines piezoelektrischen Wandlers
US6571444B2 (en) * 2001-03-20 2003-06-03 Vermon Method of manufacturing an ultrasonic transducer
US7867178B2 (en) * 2003-02-26 2011-01-11 Sanuwave, Inc. Apparatus for generating shock waves with piezoelectric fibers integrated in a composite
DE10340624B4 (de) * 2003-09-03 2005-08-18 Siemens Ag Stoßwellenquelle zum Erzeugen einer fokussierten Stoßwelle
US7302744B1 (en) 2005-02-18 2007-12-04 The United States Of America Represented By The Secretary Of The Navy Method of fabricating an acoustic transducer array
US20070239082A1 (en) * 2006-01-27 2007-10-11 General Patent, Llc Shock Wave Treatment Device
EP2092916A1 (de) * 2008-02-19 2009-08-26 Institut National De La Sante Et De La Recherche Medicale (Inserm) Verfahren zur Behandlung einer Augenkrankheit durch Verabreichung hochintensiven fokussierten Ultraschalls und entsprechende Vorrichtung
US7709997B2 (en) * 2008-03-13 2010-05-04 Ultrashape Ltd. Multi-element piezoelectric transducers
DE102009049487B4 (de) * 2009-10-15 2015-05-13 Richard Wolf Gmbh Elektroakustischer Wandler
EP2608897B1 (de) 2010-08-27 2023-08-02 SOCPRA Sciences et Génie s.e.c. Mechanischer wellengenerator und verfahren dafür
WO2013082352A1 (en) 2011-12-01 2013-06-06 Microbrightfield, Inc. Acoustic pressure wave/shock wave mediated processing of biological tissue, and systems, apparatuses, and methods therefor
US20130340530A1 (en) * 2012-06-20 2013-12-26 General Electric Company Ultrasonic testing device with conical array
US9555267B2 (en) 2014-02-17 2017-01-31 Moshe Ein-Gal Direct contact shockwave transducer
CN109939914A (zh) * 2017-12-20 2019-06-28 深圳先进技术研究院 一种复合材料物理聚焦式换能器及其制造方法
CN111940098B (zh) * 2020-04-08 2021-11-12 珠海艾博罗生物技术股份有限公司 侧面励振式超声处理器及处理方法
DE102021203544A1 (de) * 2021-04-09 2022-10-13 Richard Wolf Gmbh Elektroakustischer Wandler

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2926182A1 (de) * 1979-06-28 1981-01-22 Siemens Ag Ultraschallwandleranordnung
EP0033071A1 (de) * 1980-01-25 1981-08-05 Siemens Aktiengesellschaft Ultraschallwandler
EP0118837A2 (de) * 1983-03-15 1984-09-19 Siemens Aktiengesellschaft Ultraschallwandler
EP0173864A1 (de) * 1984-08-16 1986-03-12 Siemens Aktiengesellschaft Poröse Anpassungsschicht in einem Ultraschallapplikator
EP0183236A2 (de) * 1984-11-28 1986-06-04 Wolfgang Prof. Dr. Eisenmenger Einrichtung zur berührungsfreien Zertrümmerung von Konkrementen im Körper von Lebewesen
EP0372198A2 (de) * 1988-12-03 1990-06-13 Dornier Medizintechnik Gmbh Piezokeramische Stosswellenquelle

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156863A (en) * 1978-04-28 1979-05-29 The United States Of America As Represented By The Secretary Of The Navy Conical beam transducer array
EP0036701B1 (de) * 1980-03-20 1984-08-08 Dec (Realisations) Limited Vorrichtung zum Entfernen des Stanzabfalls
DE3040563A1 (de) * 1980-10-28 1982-05-27 Siemens AG, 1000 Berlin und 8000 München Elektrisch zu betaetigendes stellglied
US4539554A (en) * 1982-10-18 1985-09-03 At&T Bell Laboratories Analog integrated circuit pressure sensor
DE3319871A1 (de) * 1983-06-01 1984-12-06 Richard Wolf Gmbh, 7134 Knittlingen Piezoelektrischer wandler zur zerstoerung von konkrementen im koerperinnern
US4704556A (en) * 1983-12-05 1987-11-03 Leslie Kay Transducers
DE3425992C2 (de) * 1984-07-14 1986-10-09 Richard Wolf Gmbh, 7134 Knittlingen Piezoelektrischer Wandler zur Zerstörung von Konkrementen im Körperinneren
DE3437488A1 (de) * 1984-10-12 1986-04-17 Richard Wolf Gmbh, 7134 Knittlingen Schallsender
JPS61144565A (ja) * 1984-12-18 1986-07-02 Toshiba Corp 高分子圧電型超音波探触子
EP0209053A3 (de) * 1985-07-18 1987-09-02 Wolfgang Prof. Dr. Eisenmenger Verfahren und Einrichtung zur berührungsfreien Zertrümmerung von Konkrementen im Körper von Lebewesen
US4879993A (en) * 1986-10-29 1989-11-14 Siemens Aktiengesellschaft Shock wave source for generating a short initial pressure pulse
DE8710118U1 (de) * 1987-07-23 1988-11-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
EP0324948A3 (de) * 1988-01-21 1989-10-25 Dornier Medizintechnik Gmbh Vorrichtung zur Steinzerkleinerung
US4869768A (en) * 1988-07-15 1989-09-26 North American Philips Corp. Ultrasonic transducer arrays made from composite piezoelectric materials

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2926182A1 (de) * 1979-06-28 1981-01-22 Siemens Ag Ultraschallwandleranordnung
EP0033071A1 (de) * 1980-01-25 1981-08-05 Siemens Aktiengesellschaft Ultraschallwandler
EP0118837A2 (de) * 1983-03-15 1984-09-19 Siemens Aktiengesellschaft Ultraschallwandler
EP0173864A1 (de) * 1984-08-16 1986-03-12 Siemens Aktiengesellschaft Poröse Anpassungsschicht in einem Ultraschallapplikator
EP0183236A2 (de) * 1984-11-28 1986-06-04 Wolfgang Prof. Dr. Eisenmenger Einrichtung zur berührungsfreien Zertrümmerung von Konkrementen im Körper von Lebewesen
EP0372198A2 (de) * 1988-12-03 1990-06-13 Dornier Medizintechnik Gmbh Piezokeramische Stosswellenquelle

Also Published As

Publication number Publication date
DE3932959C1 (de) 1991-04-11
US5111805A (en) 1992-05-12
EP0421286A2 (de) 1991-04-10
EP0421286B1 (de) 1994-11-09
DE59007688D1 (de) 1994-12-15

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