FR2612722B1 - Transducteur acoustique multifrequences, notamment pour imagerie medicale - Google Patents

Transducteur acoustique multifrequences, notamment pour imagerie medicale

Info

Publication number
FR2612722B1
FR2612722B1 FR8703839A FR8703839A FR2612722B1 FR 2612722 B1 FR2612722 B1 FR 2612722B1 FR 8703839 A FR8703839 A FR 8703839A FR 8703839 A FR8703839 A FR 8703839A FR 2612722 B1 FR2612722 B1 FR 2612722B1
Authority
FR
France
Prior art keywords
medical imaging
acoustic transducer
frequency acoustic
probe
imaging
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
Application number
FR8703839A
Other languages
English (en)
Other versions
FR2612722A1 (fr
Inventor
Charles Maerfeld
Jean-Francois Gelly
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR8703839A priority Critical patent/FR2612722B1/fr
Priority to AT88400583T priority patent/ATE72609T1/de
Priority to DE8888400583T priority patent/DE3868337D1/de
Priority to EP88400583A priority patent/EP0285482B1/fr
Priority to NO881125A priority patent/NO881125L/no
Priority to US07/169,272 priority patent/US4870972A/en
Priority to JP63067063A priority patent/JPS63255044A/ja
Publication of FR2612722A1 publication Critical patent/FR2612722A1/fr
Application granted granted Critical
Publication of FR2612722B1 publication Critical patent/FR2612722B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Endoscopes (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
FR8703839A 1987-03-19 1987-03-19 Transducteur acoustique multifrequences, notamment pour imagerie medicale Expired FR2612722B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR8703839A FR2612722B1 (fr) 1987-03-19 1987-03-19 Transducteur acoustique multifrequences, notamment pour imagerie medicale
AT88400583T ATE72609T1 (de) 1987-03-19 1988-03-11 Akustischer multifrequenzwandler, insbesondere fuer medizinische abbildung.
DE8888400583T DE3868337D1 (de) 1987-03-19 1988-03-11 Akustischer multifrequenzwandler, insbesondere fuer medizinische abbildung.
EP88400583A EP0285482B1 (fr) 1987-03-19 1988-03-11 Transducteur acoustique multifréquences, notamment pour imagerie médicale
NO881125A NO881125L (no) 1987-03-19 1988-03-14 Akustisk transducer med flere frekvenser, spesielt for medisinsk billeddannelse.
US07/169,272 US4870972A (en) 1987-03-19 1988-03-17 Multiple-frequency acoustic transducer, especially for medical imaging
JP63067063A JPS63255044A (ja) 1987-03-19 1988-03-19 複数の周波数で動作する特に医用イメージング用音響変換器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8703839A FR2612722B1 (fr) 1987-03-19 1987-03-19 Transducteur acoustique multifrequences, notamment pour imagerie medicale

Publications (2)

Publication Number Publication Date
FR2612722A1 FR2612722A1 (fr) 1988-09-23
FR2612722B1 true FR2612722B1 (fr) 1989-05-26

Family

ID=9349214

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8703839A Expired FR2612722B1 (fr) 1987-03-19 1987-03-19 Transducteur acoustique multifrequences, notamment pour imagerie medicale

Country Status (7)

Country Link
US (1) US4870972A (fr)
EP (1) EP0285482B1 (fr)
JP (1) JPS63255044A (fr)
AT (1) ATE72609T1 (fr)
DE (1) DE3868337D1 (fr)
FR (1) FR2612722B1 (fr)
NO (1) NO881125L (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5400788A (en) * 1989-05-16 1995-03-28 Hewlett-Packard Apparatus that generates acoustic signals at discrete multiple frequencies and that couples acoustic signals into a cladded-core acoustic waveguide
US5212671A (en) * 1989-06-22 1993-05-18 Terumo Kabushiki Kaisha Ultrasonic probe having backing material layer of uneven thickness
US5268610A (en) * 1991-12-30 1993-12-07 Xerox Corporation Acoustic ink printer
GB2301892B (en) * 1992-07-14 1997-02-26 Intravascular Res Ltd Methods and apparatus for the examination and treatment of internal organs
US5351546A (en) * 1992-10-22 1994-10-04 General Electric Company Monochromatic ultrasonic transducer
DE4313229A1 (de) * 1993-04-22 1994-10-27 Siemens Ag Ultraschall-Wandleranordnung mit einem Dämpfungskörper
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
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
AU688334B2 (en) * 1993-09-07 1998-03-12 Siemens Medical Solutions Usa, Inc. Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
FR2722358B1 (fr) * 1994-07-08 1996-08-14 Thomson Csf Transducteur acoustique multifrequences a larges bandes
GB2293240B (en) * 1994-09-15 1998-05-20 Intravascular Res Ltd Ultrasonic visualisation method and apparatus
WO1996016600A1 (fr) * 1994-11-30 1996-06-06 Boston Scientific Corporation Catheters et fils-guides pour imagerie acoustique et effet doppler
US5558623A (en) * 1995-03-29 1996-09-24 Rich-Mar Corporation Therapeutic ultrasonic device
US6254542B1 (en) 1995-07-17 2001-07-03 Intravascular Research Limited Ultrasonic visualization method and apparatus
US5825117A (en) * 1996-03-26 1998-10-20 Hewlett-Packard Company Second harmonic imaging transducers
JP3573567B2 (ja) * 1996-04-12 2004-10-06 株式会社日立メディコ 超音波探触子及びそれを用いた超音波検査装置
DE29708338U1 (de) * 1997-05-12 1998-09-17 DWL Elektronische Systeme GmbH, 78354 Sipplingen Multifrequenz-Ultraschallsonde
US6589174B1 (en) * 2000-10-20 2003-07-08 Sunnybrook & Women's College Health Sciences Centre Technique and apparatus for ultrasound therapy
FR2815723B1 (fr) * 2000-10-24 2004-04-30 Thomson Csf Procede systeme et sonde pour l'obtention d'images par l'intermediaire d'ondes emises par une antenne apres reflexion de ces ondes au niveau d'un ensemble servant de cible
WO2003009758A1 (fr) * 2001-07-24 2003-02-06 Sunlight Medical, Ltd. Determination de l'age osseux au moyen d'ultrasons
WO2003009738A2 (fr) * 2001-07-24 2003-02-06 Sunlight Medical, Ltd. Methode et appareil pour diagnostic osseux
US7396332B2 (en) 2002-06-10 2008-07-08 Scimed Life Systems, Inc. Transducer with multiple resonant frequencies for an imaging catheter
JP2010273097A (ja) * 2009-05-21 2010-12-02 Iwaki Akiyama 超音波プローブ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT364438B (de) * 1979-03-12 1981-10-27 Kretztechnik Gmbh Schallkopf fuer untersuchungen mit ultraschall nach dem impuls-echoverfahren
JPS599859B2 (ja) * 1979-07-21 1984-03-05 アロカ株式会社 可変周波数超音波探触子
US4276491A (en) * 1979-10-02 1981-06-30 Ausonics Pty. Limited Focusing piezoelectric ultrasonic medical diagnostic system
US4503861A (en) * 1983-04-11 1985-03-12 Biomedics, Inc. Fetal heartbeat doppler transducer
US4490640A (en) * 1983-09-22 1984-12-25 Keisuke Honda Multi-frequency ultrasonic transducer

Also Published As

Publication number Publication date
NO881125L (no) 1988-09-20
NO881125D0 (no) 1988-03-14
JPS63255044A (ja) 1988-10-21
US4870972A (en) 1989-10-03
FR2612722A1 (fr) 1988-09-23
EP0285482A1 (fr) 1988-10-05
ATE72609T1 (de) 1992-02-15
DE3868337D1 (de) 1992-03-26
EP0285482B1 (fr) 1992-02-12

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Legal Events

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CD Change of name or company name