DE3868337D1 - Akustischer multifrequenzwandler, insbesondere fuer medizinische abbildung. - Google Patents
Akustischer multifrequenzwandler, insbesondere fuer medizinische abbildung.Info
- Publication number
- DE3868337D1 DE3868337D1 DE8888400583T DE3868337T DE3868337D1 DE 3868337 D1 DE3868337 D1 DE 3868337D1 DE 8888400583 T DE8888400583 T DE 8888400583T DE 3868337 T DE3868337 T DE 3868337T DE 3868337 D1 DE3868337 D1 DE 3868337D1
- Authority
- DE
- Germany
- Prior art keywords
- frequency converter
- medical imaging
- probe
- acoustic multi
- 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 - Fee Related
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)
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 (1)
Publication Number | Publication Date |
---|---|
DE3868337D1 true DE3868337D1 (de) | 1992-03-26 |
Family
ID=9349214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888400583T Expired - Fee Related DE3868337D1 (de) | 1987-03-19 | 1988-03-11 | Akustischer multifrequenzwandler, insbesondere fuer medizinische abbildung. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4870972A (de) |
EP (1) | EP0285482B1 (de) |
JP (1) | JPS63255044A (de) |
AT (1) | ATE72609T1 (de) |
DE (1) | DE3868337D1 (de) |
FR (1) | FR2612722B1 (de) |
NO (1) | NO881125L (de) |
Families Citing this family (23)
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 |
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 |
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 |
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 |
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 (en) * | 1994-11-30 | 1996-06-06 | Boston Scientific Corporation | Acoustic imaging and doppler catheters and guidewires |
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 |
EP1418835A2 (de) * | 2001-07-24 | 2004-05-19 | Sunlight Medical, Ltd. | Verfahren und gerät für die knochendiagnose |
WO2003009758A1 (en) * | 2001-07-24 | 2003-02-06 | Sunlight Medical, Ltd. | Bone age assessment using ultrasound |
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)
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 |
-
1987
- 1987-03-19 FR FR8703839A patent/FR2612722B1/fr not_active Expired
-
1988
- 1988-03-11 DE DE8888400583T patent/DE3868337D1/de not_active Expired - Fee Related
- 1988-03-11 EP EP88400583A patent/EP0285482B1/de not_active Expired - Lifetime
- 1988-03-11 AT AT88400583T patent/ATE72609T1/de not_active IP Right Cessation
- 1988-03-14 NO NO881125A patent/NO881125L/no unknown
- 1988-03-17 US US07/169,272 patent/US4870972A/en not_active Expired - Fee Related
- 1988-03-19 JP JP63067063A patent/JPS63255044A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0285482B1 (de) | 1992-02-12 |
FR2612722A1 (fr) | 1988-09-23 |
US4870972A (en) | 1989-10-03 |
ATE72609T1 (de) | 1992-02-15 |
NO881125D0 (no) | 1988-03-14 |
JPS63255044A (ja) | 1988-10-21 |
NO881125L (no) | 1988-09-20 |
EP0285482A1 (de) | 1988-10-05 |
FR2612722B1 (fr) | 1989-05-26 |
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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 |