DE4304275C2 - Phased-Array-Bildsystem und Verfahren zum Steuern desselben - Google Patents
Phased-Array-Bildsystem und Verfahren zum Steuern desselbenInfo
- Publication number
- DE4304275C2 DE4304275C2 DE4304275A DE4304275A DE4304275C2 DE 4304275 C2 DE4304275 C2 DE 4304275C2 DE 4304275 A DE4304275 A DE 4304275A DE 4304275 A DE4304275 A DE 4304275A DE 4304275 C2 DE4304275 C2 DE 4304275C2
- Authority
- DE
- Germany
- Prior art keywords
- acoustic
- signals
- transducer elements
- angle
- deflection angle
- 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
- 238000000034 method Methods 0.000 title claims description 10
- 238000003384 imaging method Methods 0.000 title claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000003973 paint Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 8
- 230000001934 delay Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000013144 data compression Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 2
- 238000012285 ultrasound imaging Methods 0.000 description 2
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 1
- 241001272996 Polyphylla fullo Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000003709 heart valve Anatomy 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52023—Details of receivers
- G01S7/52044—Scan converters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8977—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using special techniques for image reconstruction, e.g. FFT, geometrical transformations, spatial deconvolution, time deconvolution
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52023—Details of receivers
- G01S7/52025—Details of receivers for pulse systems
- G01S7/52026—Extracting wanted echo signals
- G01S7/52028—Extracting wanted echo signals using digital techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52085—Details related to the ultrasound signal acquisition, e.g. scan sequences
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52085—Details related to the ultrasound signal acquisition, e.g. scan sequences
- G01S7/52095—Details related to the ultrasound signal acquisition, e.g. scan sequences using multiline receive beamforming
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0883—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the heart
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52077—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging with means for elimination of unwanted signals, e.g. noise or interference
Description
Claims (2)
einer Mehrzahl von akustischen Wandlerelementen;
einer Einrichtung, die mit der Mehrzahl von Wand lerelementen verbunden ist, um der Reihe nach eine Mehr zahl von akustischen Sendestrahlen (1700, 1702, 1704, 1706) mit vorbestimmten Auslenkwinkeln (α) bezüglich der Wandlerelemente zum Abtasten eines Objektes zu erzeugen;
einer Einrichtung, die mit jedem der Mehrzahl von Wandlerelementen verbunden ist, um Signale von der Mehr zahl der akustischen Empfangsstrahlen zu empfangen; und
einer Einrichtung, die auf die empfangenen akustischen Signale anspricht, um die Signale zu verarbeiten, um ein Bild des Objektes zu erzeugen und sichtbar anzuzeigen, dadurch gekennzeichnet,
daß jeder der aufeinanderfolgenden akustischen Sende strahlen (1700, 1702, 1704, 1706) mit einem Auslenkwin kel (α) erzeugt wird, der gegenüber dem vorhergehenden Auslenkwinkel (α) um ein Inkrement erhöht ist, welches proportional zu dem Kehrwert des Cosinus des vorher gehenden Auslenkwinkels (α/cosΘ) ist.
- A. Erzeugen eines akustischen Sendestrahles (1706) mit einem vorbestimmten Auslenkwinkel (α) bezüglich der Mehrzahl von Wandlerelementen;
- B. Erhöhen des Auslenkwinkels (α) um ein Inkrement, das proportional ist zu dem Kehrwert des Cosinus des Auslenkwinkels (α/cosΘ); und
- C. Wiederholen der Schritte A und B für Auslenkwinkel zwischen 0 und 180°.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4345221A DE4345221C2 (de) | 1992-04-17 | 1993-02-12 | Verfahren und Vorrichtung zum Erhöhen der Auflösung eines Phased-Array-Bildsystemes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/870,388 US5318033A (en) | 1992-04-17 | 1992-04-17 | Method and apparatus for increasing the frame rate and resolution of a phased array imaging system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE4304275A1 DE4304275A1 (de) | 1994-01-13 |
DE4304275C2 true DE4304275C2 (de) | 1995-10-12 |
Family
ID=25355274
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4345380A Expired - Fee Related DE4345380C2 (de) | 1992-04-17 | 1993-02-12 | Verfahren und Vorrichtung zum Erhöhen der Bildwechselfrequenz eines Phased-Array-Bildsystems |
DE4345381A Expired - Fee Related DE4345381C2 (de) | 1992-04-17 | 1993-02-12 | Vorrichtung zum Erhöhen der Bildwiederholrate eines Phased-Array-Bildsystems |
DE4304275A Expired - Fee Related DE4304275C2 (de) | 1992-04-17 | 1993-02-12 | Phased-Array-Bildsystem und Verfahren zum Steuern desselben |
DE4345379A Expired - Fee Related DE4345379C2 (de) | 1992-04-17 | 1993-02-12 | Verfahren und Vorrichtung zum Vermindern von Bildartfakten in einem Phased-Array-Bildsystem |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4345380A Expired - Fee Related DE4345380C2 (de) | 1992-04-17 | 1993-02-12 | Verfahren und Vorrichtung zum Erhöhen der Bildwechselfrequenz eines Phased-Array-Bildsystems |
DE4345381A Expired - Fee Related DE4345381C2 (de) | 1992-04-17 | 1993-02-12 | Vorrichtung zum Erhöhen der Bildwiederholrate eines Phased-Array-Bildsystems |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4345379A Expired - Fee Related DE4345379C2 (de) | 1992-04-17 | 1993-02-12 | Verfahren und Vorrichtung zum Vermindern von Bildartfakten in einem Phased-Array-Bildsystem |
Country Status (3)
Country | Link |
---|---|
US (3) | US5318033A (de) |
JP (1) | JP3408284B2 (de) |
DE (4) | DE4345380C2 (de) |
Families Citing this family (82)
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JP3264963B2 (ja) * | 1992-02-12 | 2002-03-11 | ジーイー横河メディカルシステム株式会社 | 超音波診断装置 |
GB2301892B (en) * | 1992-07-14 | 1997-02-26 | Intravascular Res Ltd | Methods and apparatus for the examination and treatment of internal organs |
JPH07289546A (ja) * | 1994-04-22 | 1995-11-07 | Hitachi Medical Corp | 超音波診断装置 |
US5462057A (en) * | 1994-06-06 | 1995-10-31 | Hewlett-Packard Company | Ultrasound imaging system using line splicing and parallel receive beam formation |
US5515852A (en) * | 1994-06-06 | 1996-05-14 | Hewlett-Packard Company | Method and apparatus for a detection strength spatial filter in an ultrasound imaging system |
US5928152A (en) * | 1994-08-05 | 1999-07-27 | Acuson Corporation | Method and apparatus for a baseband processor of a receive beamformer system |
US5623928A (en) * | 1994-08-05 | 1997-04-29 | Acuson Corporation | Method and apparatus for coherent image formation |
US5555534A (en) * | 1994-08-05 | 1996-09-10 | Acuson Corporation | Method and apparatus for doppler receive beamformer system |
US6029116A (en) * | 1994-08-05 | 2000-02-22 | Acuson Corporation | Method and apparatus for a baseband processor of a receive beamformer system |
US5793701A (en) * | 1995-04-07 | 1998-08-11 | Acuson Corporation | Method and apparatus for coherent image formation |
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US6254542B1 (en) | 1995-07-17 | 2001-07-03 | Intravascular Research Limited | Ultrasonic visualization method and apparatus |
US6074347A (en) * | 1996-12-04 | 2000-06-13 | Acuson Corporation | Method and apparatus for controlling acoustic signal bandwidth in an ultrasonic diagnostic imaging system |
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JP3763924B2 (ja) * | 1997-03-17 | 2006-04-05 | フクダ電子株式会社 | 超音波診断装置 |
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JPS5438693A (en) * | 1977-09-02 | 1979-03-23 | Hitachi Medical Corp | Ultrasonic wave diagnosing device |
US4140022B1 (en) * | 1977-12-20 | 1995-05-16 | Hewlett Packard Co | Acoustic imaging apparatus |
JPS5578947A (en) * | 1978-12-08 | 1980-06-14 | Matsushita Electric Ind Co Ltd | Method of displaying ultrasoniccwave diagnosis device |
US4241412A (en) * | 1979-03-16 | 1980-12-23 | Diasonics, Inc. | Polar to cartesian mapping apparatus and method |
JPS5672857A (en) * | 1979-11-16 | 1981-06-17 | Matsushita Electric Ind Co Ltd | Method of scanning ultrasonic diagnosing device |
US4468747A (en) * | 1980-11-03 | 1984-08-28 | Hewlett-Packard Company | Scan converter system |
US4471449A (en) * | 1980-11-03 | 1984-09-11 | Hewlett-Packard Company | Scan converter system |
JPS6052784A (ja) * | 1983-08-31 | 1985-03-26 | Yokogawa Medical Syst Ltd | 方位角適応型フエ−ズド・アレイ・ソ−ナ− |
JPS6080443A (ja) * | 1983-10-07 | 1985-05-08 | 株式会社エスジー | 超音波走査装置 |
US4582065A (en) * | 1984-06-28 | 1986-04-15 | Picker International, Inc. | Ultrasonic step scanning utilizing unequally spaced curvilinear transducer array |
JPS6125534A (ja) * | 1984-07-16 | 1986-02-04 | 横河メディカルシステム株式会社 | 画像診断装置 |
US4662223A (en) * | 1985-10-31 | 1987-05-05 | General Electric Company | Method and means for steering phased array scanner in ultrasound imaging system |
US5027821A (en) * | 1988-06-17 | 1991-07-02 | Kabushiki Kaisha Toshiba | Ultrasonic imaging apparatus |
US5105814A (en) * | 1990-08-15 | 1992-04-21 | Hewlett-Packard Company | Method of transforming a multi-beam ultrasonic image |
US5127409A (en) * | 1991-04-25 | 1992-07-07 | Daigle Ronald E | Ultrasound Doppler position sensing |
US5197037A (en) * | 1991-10-31 | 1993-03-23 | Hewlett-Packard Company | Method and apparatus for the simultaneous performance of the beam formation and scan conversion in a phased array system |
-
1992
- 1992-04-17 US US07/870,388 patent/US5318033A/en not_active Expired - Lifetime
-
1993
- 1993-02-12 DE DE4345380A patent/DE4345380C2/de not_active Expired - Fee Related
- 1993-02-12 DE DE4345381A patent/DE4345381C2/de not_active Expired - Fee Related
- 1993-02-12 DE DE4304275A patent/DE4304275C2/de not_active Expired - Fee Related
- 1993-02-12 DE DE4345379A patent/DE4345379C2/de not_active Expired - Fee Related
- 1993-04-16 JP JP11376293A patent/JP3408284B2/ja not_active Expired - Lifetime
-
1994
- 1994-01-21 US US08/184,419 patent/US5431167A/en not_active Expired - Lifetime
-
1995
- 1995-12-05 US US08/567,505 patent/US5678552A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5318033A (en) | 1994-06-07 |
DE4345379C2 (de) | 1998-04-02 |
US5678552A (en) | 1997-10-21 |
US5431167A (en) | 1995-07-11 |
JP3408284B2 (ja) | 2003-05-19 |
JPH0614929A (ja) | 1994-01-25 |
DE4345380C2 (de) | 1998-03-26 |
DE4345381C2 (de) | 1998-04-16 |
DE4304275A1 (de) | 1994-01-13 |
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