DE289383T1 - Akustisches filter zum unterdruecken oder daempfen der negativen halbwellen einer elastischen welle und generator elastischer wellen mit einem solchen filter. - Google Patents

Akustisches filter zum unterdruecken oder daempfen der negativen halbwellen einer elastischen welle und generator elastischer wellen mit einem solchen filter.

Info

Publication number
DE289383T1
DE289383T1 DE198888400847T DE88400847T DE289383T1 DE 289383 T1 DE289383 T1 DE 289383T1 DE 198888400847 T DE198888400847 T DE 198888400847T DE 88400847 T DE88400847 T DE 88400847T DE 289383 T1 DE289383 T1 DE 289383T1
Authority
DE
Germany
Prior art keywords
shafts
filter
elastic
suppressing
damping
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.)
Pending
Application number
DE198888400847T
Other languages
English (en)
Inventor
Jacques F-77450 Coupvray Fr Dory
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.)
EDAP International SA
Original Assignee
EDAP International 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 EDAP International SA filed Critical EDAP International SA
Publication of DE289383T1 publication Critical patent/DE289383T1/de
Pending 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
    • G10K11/04—Acoustic filters ; Acoustic resonators
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/024—Mixtures
    • G01N2291/02491—Materials with nonlinear acoustic properties

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Surgical Instruments (AREA)
  • Motor Or Generator Frames (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DE198888400847T 1987-04-28 1988-04-08 Akustisches filter zum unterdruecken oder daempfen der negativen halbwellen einer elastischen welle und generator elastischer wellen mit einem solchen filter. Pending DE289383T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8705981A FR2614722B1 (fr) 1987-04-28 1987-04-28 Filtre acoustique permettant de supprimer ou d'attenuer les alternances negatives d'une onde elastique et generateur d'ondes elastiques comportant un tel filtre

Publications (1)

Publication Number Publication Date
DE289383T1 true DE289383T1 (de) 1989-02-16

Family

ID=9350550

Family Applications (2)

Application Number Title Priority Date Filing Date
DE198888400847T Pending DE289383T1 (de) 1987-04-28 1988-04-08 Akustisches filter zum unterdruecken oder daempfen der negativen halbwellen einer elastischen welle und generator elastischer wellen mit einem solchen filter.
DE8888400847T Expired - Lifetime DE3864067D1 (de) 1987-04-28 1988-04-08 Akustisches filter zum unterdruecken oder daempfen der negativen halbwellen einer elastischen welle und generator elastischer wellen mit einem solchen filter.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8888400847T Expired - Lifetime DE3864067D1 (de) 1987-04-28 1988-04-08 Akustisches filter zum unterdruecken oder daempfen der negativen halbwellen einer elastischen welle und generator elastischer wellen mit einem solchen filter.

Country Status (8)

Country Link
US (2) US4856107A (de)
EP (1) EP0289383B1 (de)
JP (1) JPH0197995A (de)
AT (1) ATE66086T1 (de)
CA (1) CA1291543C (de)
DE (2) DE289383T1 (de)
ES (1) ES2007484A6 (de)
FR (1) FR2614722B1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2614722B1 (fr) * 1987-04-28 1992-04-17 Dory Jacques Filtre acoustique permettant de supprimer ou d'attenuer les alternances negatives d'une onde elastique et generateur d'ondes elastiques comportant un tel filtre
US5351546A (en) * 1992-10-22 1994-10-04 General Electric Company Monochromatic ultrasonic transducer
US5492012A (en) * 1992-10-26 1996-02-20 General Electric Company Time-of-flight method for sizing cracks through fluid-filled gaps in structures
JP3918966B2 (ja) * 1997-12-30 2007-05-23 本多電子株式会社 キャビテーション検出方法
US10219815B2 (en) 2005-09-22 2019-03-05 The Regents Of The University Of Michigan Histotripsy for thrombolysis
US20070083120A1 (en) * 2005-09-22 2007-04-12 Cain Charles A Pulsed cavitational ultrasound therapy
US8057408B2 (en) * 2005-09-22 2011-11-15 The Regents Of The University Of Michigan Pulsed cavitational ultrasound therapy
US8235902B2 (en) 2007-09-11 2012-08-07 Focus Surgery, Inc. System and method for tissue change monitoring during HIFU treatment
US9061131B2 (en) 2009-08-17 2015-06-23 Histosonics, Inc. Disposable acoustic coupling medium container
WO2011028603A2 (en) 2009-08-26 2011-03-10 The Regents Of The University Of Michigan Micromanipulator control arm for therapeutic and imaging ultrasound transducers
US9901753B2 (en) 2009-08-26 2018-02-27 The Regents Of The University Of Michigan Ultrasound lithotripsy and histotripsy for using controlled bubble cloud cavitation in fractionating urinary stones
US8539813B2 (en) 2009-09-22 2013-09-24 The Regents Of The University Of Michigan Gel phantoms for testing cavitational ultrasound (histotripsy) transducers
US9058798B2 (en) * 2011-05-02 2015-06-16 University Of North Texas Tunable polymer-based sonic structures
US9144694B2 (en) 2011-08-10 2015-09-29 The Regents Of The University Of Michigan Lesion generation through bone using histotripsy therapy without aberration correction
US9049783B2 (en) 2012-04-13 2015-06-02 Histosonics, Inc. Systems and methods for obtaining large creepage isolation on printed circuit boards
WO2013166019A1 (en) 2012-04-30 2013-11-07 The Regents Of The University Of Michigan Ultrasound transducer manufacturing using rapid-prototyping method
EP2903688A4 (de) 2012-10-05 2016-06-15 Univ Michigan Blaseninduziertes farbdoppler-feedback während einer histotripsie
ES2941665T3 (es) 2013-07-03 2023-05-24 Histosonics Inc Secuencias de excitación de histotricia optimizadas para la formación de nubes de burbujas usando dispersión de choque
US11432900B2 (en) 2013-07-03 2022-09-06 Histosonics, Inc. Articulating arm limiter for cavitational ultrasound therapy system
WO2015027164A1 (en) 2013-08-22 2015-02-26 The Regents Of The University Of Michigan Histotripsy using very short ultrasound pulses
ES2948135T3 (es) 2015-06-24 2023-08-31 Univ Michigan Regents Sistemas de terapia de histotripsia para el tratamiento del tejido cerebral
US11813484B2 (en) 2018-11-28 2023-11-14 Histosonics, Inc. Histotripsy systems and methods
US11813485B2 (en) 2020-01-28 2023-11-14 The Regents Of The University Of Michigan Systems and methods for histotripsy immunosensitization

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2252580B1 (de) * 1973-11-22 1980-02-22 Realisations Ultrasoniques Sa
FR2477723A1 (fr) * 1980-03-07 1981-09-11 Cgr Ultrasonic Sonde d'echographie ultrasonore a lentille acoustique et echographe comportant une telle sonde
US4535630A (en) * 1983-01-17 1985-08-20 Samodovitz Arthur J Multiple curved transducers providing extended depth of field
FR2563725B1 (fr) * 1984-05-03 1988-07-15 Dory Jacques Appareil d'examen et de localisation de tumeurs par ultrasons muni d'un dispositif de traitement localise par hyperthermie
FR2556582B1 (fr) * 1983-12-14 1986-12-19 Dory Jacques Appareil a impulsions ultrasonores destine a la destruction des calculs
DE3437488A1 (de) * 1984-10-12 1986-04-17 Richard Wolf Gmbh, 7134 Knittlingen Schallsender
EP0212352B1 (de) * 1985-08-09 1989-09-27 Siemens Aktiengesellschaft Ultraschallgenerator
US4679597A (en) * 1985-12-20 1987-07-14 Kim Hotstart Mfg. Co., Inc. Liquid pulsation dampening device
FR2614722B1 (fr) * 1987-04-28 1992-04-17 Dory Jacques Filtre acoustique permettant de supprimer ou d'attenuer les alternances negatives d'une onde elastique et generateur d'ondes elastiques comportant un tel filtre

Also Published As

Publication number Publication date
EP0289383B1 (de) 1991-08-07
JPH0197995A (ja) 1989-04-17
US4856107A (en) 1989-08-08
EP0289383A1 (de) 1988-11-02
CA1291543C (fr) 1991-10-29
JPH0529918B2 (de) 1993-05-06
ATE66086T1 (de) 1991-08-15
ES2007484A6 (es) 1989-06-16
FR2614722A1 (fr) 1988-11-04
US4995012A (en) 1991-02-19
FR2614722B1 (fr) 1992-04-17
DE3864067D1 (de) 1991-09-12

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