DE3864067D1 - 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
DE3864067D1
DE3864067D1 DE8888400847T DE3864067T DE3864067D1 DE 3864067 D1 DE3864067 D1 DE 3864067D1 DE 8888400847 T DE8888400847 T DE 8888400847T DE 3864067 T DE3864067 T DE 3864067T DE 3864067 D1 DE3864067 D1 DE 3864067D1
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.)
Expired - Lifetime
Application number
DE8888400847T
Other languages
English (en)
Inventor
Jacques 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
Application granted granted Critical
Publication of DE3864067D1 publication Critical patent/DE3864067D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Fluid-Pressure Circuits (AREA)
  • Motor Or Generator Frames (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DE8888400847T 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. Expired - Lifetime DE3864067D1 (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
DE3864067D1 true DE3864067D1 (de) 1991-09-12

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 Before (1)

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.

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
US8057408B2 (en) * 2005-09-22 2011-11-15 The Regents Of The University Of Michigan Pulsed cavitational ultrasound therapy
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
US8235902B2 (en) 2007-09-11 2012-08-07 Focus Surgery, Inc. System and method for tissue change monitoring during HIFU treatment
JP5850837B2 (ja) 2009-08-17 2016-02-03 ヒストソニックス，インコーポレーテッド 使い捨て音響結合媒体容器
EP2470267B1 (de) 2009-08-26 2015-11-11 The Regents Of The University Of Michigan Mikromanipulator-steuerarm für therapie- und bildgebungs-ultraschallwandler
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
EP2844343B1 (de) 2012-04-30 2018-11-21 The Regents Of The University Of Michigan Ultraschallwandlerherstellung mittels dung rapid-prototyping-verfahren
WO2014055906A1 (en) 2012-10-05 2014-04-10 The Regents Of The University Of Michigan Bubble-induced color doppler feedback during histotripsy
US11432900B2 (en) 2013-07-03 2022-09-06 Histosonics, Inc. Articulating arm limiter for cavitational ultrasound therapy system
EP4166194A1 (de) 2013-07-03 2023-04-19 Histosonics, Inc. Für blasenwolkenbildung mittels schockstreuung optimierte histotripsieerregungssequenzen
WO2015027164A1 (en) 2013-08-22 2015-02-26 The Regents Of The University Of Michigan Histotripsy using very short ultrasound pulses
WO2016210133A1 (en) 2015-06-24 2016-12-29 The Regents Of The Universtiy Of Michigan Histotripsy therapy systems and methods for the treatment of brain tissue
EP3886737A4 (de) 2018-11-28 2022-08-24 Histosonics, Inc. Histotripsiesysteme und -verfahren
AU2021213168A1 (en) 2020-01-28 2022-09-01 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
DE3665949D1 (en) * 1985-08-09 1989-11-02 Siemens Ag Ultrasonic generator
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
DE289383T1 (de) 1989-02-16
US4856107A (en) 1989-08-08
JPH0529918B2 (de) 1993-05-06
US4995012A (en) 1991-02-19
FR2614722B1 (fr) 1992-04-17
CA1291543C (fr) 1991-10-29
FR2614722A1 (fr) 1988-11-04
ES2007484A6 (es) 1989-06-16
JPH0197995A (ja) 1989-04-17
ATE66086T1 (de) 1991-08-15
EP0289383B1 (de) 1991-08-07
EP0289383A1 (de) 1988-11-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee