ATE131020T1 - Verfahren und vorrichtung für die akustische abtastung mit variablem ursprung und variablem winkel. - Google Patents

Verfahren und vorrichtung für die akustische abtastung mit variablem ursprung und variablem winkel.

Info

Publication number
ATE131020T1
ATE131020T1 AT91101960T AT91101960T ATE131020T1 AT E131020 T1 ATE131020 T1 AT E131020T1 AT 91101960 T AT91101960 T AT 91101960T AT 91101960 T AT91101960 T AT 91101960T AT E131020 T1 ATE131020 T1 AT E131020T1
Authority
AT
Austria
Prior art keywords
acoustic
array
variable
transducer array
face
Prior art date
Application number
AT91101960T
Other languages
English (en)
Inventor
Samuel H Maslak
Hugh G Larsen
Joel S Chaffin
Paul E Chandler
Ian A Galton
Mehebub S Karmali
Original Assignee
Acuson
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 Acuson filed Critical Acuson
Application granted granted Critical
Publication of ATE131020T1 publication Critical patent/ATE131020T1/de

Links

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
    • G01S7/52085—Details related to the ultrasound signal acquisition, e.g. scan sequences
    • G01S7/5209—Details related to the ultrasound signal acquisition, e.g. scan sequences using multibeam transmission
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
    • G01N29/262—Arrangements for orientation or scanning by relative movement of the head and the sensor by electronic orientation or focusing, e.g. with phased arrays
    • 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
    • G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • G01S15/8927—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array using simultaneously or sequentially two or more subarrays or subapertures
    • 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
    • G01S7/52053—Display arrangements
    • G01S7/52057—Cathode ray tube displays
    • G01S7/5206—Two-dimensional coordinated display of distance and direction; B-scan display
    • G01S7/52063—Sector scan display
    • 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
    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • G10K11/343—Circuits therefor using frequency variation or different frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Acoustics & Sound (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
AT91101960T 1990-02-12 1991-02-12 Verfahren und vorrichtung für die akustische abtastung mit variablem ursprung und variablem winkel. ATE131020T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47857390A 1990-02-12 1990-02-12
US07/552,019 US5148810A (en) 1990-02-12 1990-07-13 Variable origin-variable angle acoustic scanning method and apparatus

Publications (1)

Publication Number Publication Date
ATE131020T1 true ATE131020T1 (de) 1995-12-15

Family

ID=27045942

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91101960T ATE131020T1 (de) 1990-02-12 1991-02-12 Verfahren und vorrichtung für die akustische abtastung mit variablem ursprung und variablem winkel.

Country Status (7)

Country Link
US (1) US5148810A (de)
EP (1) EP0442450B1 (de)
JP (1) JP2807113B2 (de)
AT (1) ATE131020T1 (de)
AU (1) AU630786B2 (de)
CA (1) CA2036061C (de)
DE (1) DE69115072T2 (de)

Families Citing this family (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5235986A (en) * 1990-02-12 1993-08-17 Acuson Corporation Variable origin-variable angle acoustic scanning method and apparatus for a curved linear array
US5261408A (en) * 1990-02-12 1993-11-16 Acuson Corporation Variable origin-variable acoustic scanning method and apparatus
US5123415A (en) * 1990-07-19 1992-06-23 Advanced Technology Laboratories, Inc. Ultrasonic imaging by radial scan of trapezoidal sector
US5704361A (en) * 1991-11-08 1998-01-06 Mayo Foundation For Medical Education And Research Volumetric image ultrasound transducer underfluid catheter system
US5325860A (en) 1991-11-08 1994-07-05 Mayo Foundation For Medical Education And Research Ultrasonic and interventional catheter and method
US5713363A (en) * 1991-11-08 1998-02-03 Mayo Foundation For Medical Education And Research Ultrasound catheter and method for imaging and hemodynamic monitoring
US5447158A (en) * 1992-06-16 1995-09-05 Kabushiki Kaisha Toshiba Ultrasonic imaging method and system capable of displaying B-mode image and color flow mapping image over wide field
US5322068A (en) * 1993-05-21 1994-06-21 Hewlett-Packard Company Method and apparatus for dynamically steering ultrasonic phased arrays
US5798461A (en) * 1993-06-02 1998-08-25 Hewlett-Packard Company Methods and apparatus for ultrasound imaging using combined scan patterns
US5501219A (en) * 1993-09-30 1996-03-26 Siemens Medical Systems, Inc. Real-time dynamic time-of-flight calculator
JP3059042B2 (ja) * 1994-02-22 2000-07-04 フクダ電子株式会社 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
US5562096A (en) * 1994-06-28 1996-10-08 Acuson Corporation Ultrasonic transducer probe with axisymmetric lens
US5549111A (en) * 1994-08-05 1996-08-27 Acuson Corporation Method and apparatus for adjustable frequency scanning in ultrasound imaging
JPH08126641A (ja) * 1994-10-31 1996-05-21 Fujitsu Ltd 超音波診断装置
US5735282A (en) * 1996-05-30 1998-04-07 Acuson Corporation Flexible ultrasonic transducers and related systems
US5699805A (en) * 1996-06-20 1997-12-23 Mayo Foundation For Medical Education And Research Longitudinal multiplane ultrasound transducer underfluid catheter system
US5709210A (en) * 1996-07-30 1998-01-20 Acuson Corporation Ultrasound system for imaging
US5846202A (en) * 1996-07-30 1998-12-08 Acuson Corporation Ultrasound method and system for imaging
DE69721803T2 (de) 1996-11-07 2003-11-20 Tomtec Imaging Systems Gmbh Verfahren und anlage zur rekonstruktion eines ultraschallbildes
US5842991A (en) * 1997-02-20 1998-12-01 Barabash; Leonid S. Ultrasound transducer with extended field of view
US6171247B1 (en) 1997-06-13 2001-01-09 Mayo Foundation For Medical Education And Research Underfluid catheter system and method having a rotatable multiplane transducer
US6059731A (en) * 1998-08-19 2000-05-09 Mayo Foundation For Medical Education And Research Simultaneous side-and-end viewing underfluid catheter
US6816100B1 (en) 1999-03-12 2004-11-09 The Regents Of The University Of California Analog-to-digital converters with common-mode rejection dynamic element matching, including as used in delta-sigma modulators
US6398736B1 (en) 1999-03-31 2002-06-04 Mayo Foundation For Medical Education And Research Parametric imaging ultrasound catheter
US7238158B2 (en) * 1999-05-28 2007-07-03 Allez Physionix, Ltd. Pulse interleaving in doppler ultrasound imaging
US7399279B2 (en) * 1999-05-28 2008-07-15 Physiosonics, Inc Transmitter patterns for multi beam reception
US7534209B2 (en) * 2000-05-26 2009-05-19 Physiosonics, Inc. Device and method for mapping and tracking blood flow and determining parameters of blood flow
US6682483B1 (en) * 1999-05-28 2004-01-27 Vuesonix Sensors, Inc. Device and method for mapping and tracking blood flow and determining parameters of blood flow
US6293912B1 (en) 1999-06-10 2001-09-25 B-K Medical A/S Ultrasound scanner with beam former
US6234968B1 (en) 1999-06-15 2001-05-22 Acuson Corporation 3-D diagnostic medical ultrasound imaging using a 1-D array
US6669633B2 (en) 1999-06-22 2003-12-30 Teratech Corporation Unitary operator control for ultrasonic imaging graphical user interface
US9402601B1 (en) 1999-06-22 2016-08-02 Teratech Corporation Methods for controlling an ultrasound imaging procedure and providing ultrasound images to an external non-ultrasound application via a network
US20040015079A1 (en) 1999-06-22 2004-01-22 Teratech Corporation Ultrasound probe with integrated electronics
US6458082B1 (en) 1999-09-29 2002-10-01 Acuson Corporation System and method for the display of ultrasound data
US6390981B1 (en) * 2000-05-23 2002-05-21 Koninklijke Philips Electronics N.V. Ultrasonic spatial compounding with curved array scanheads
JP3773396B2 (ja) 2000-06-01 2006-05-10 住友電気工業株式会社 コンタクトプローブおよびその製造方法
US6352510B1 (en) 2000-06-22 2002-03-05 Leonid S. Barabash Ultrasound transducers for real time two and three dimensional image acquisition
DE60236426D1 (de) 2001-04-13 2010-07-01 Sumitomo Electric Industries Kontaktsonde
US6605042B2 (en) 2001-08-10 2003-08-12 Ge Medical Systems Global Technology Company, Llc Method and apparatus for rotation registration of extended field of view ultrasound images
US6685641B2 (en) 2002-02-01 2004-02-03 Siemens Medical Solutions Usa, Inc. Plane wave scanning reception and receiver
US20040254461A1 (en) * 2002-03-20 2004-12-16 Ackerman William H. Acoustic beam shaping by pulse power modulation at constant amplitude
US20040220474A1 (en) * 2002-03-20 2004-11-04 Kenneth Abend Determining the power of an ultrasound reflection using an autocorrelation technique
US6709395B2 (en) * 2002-06-25 2004-03-23 Koninklijke Philips Electronics N.V. System and method for electronically altering ultrasound scan line origin for a three-dimensional ultrasound system
US6790181B2 (en) 2002-09-13 2004-09-14 Acuson Corporation Overlapped scanning for multi-directional compounding of ultrasound images
JP2006524330A (ja) * 2003-03-14 2006-10-26 ブエソニクス センサーズ インコーポレイテッド 多重ビームの形成方法および装置
US20050004468A1 (en) * 2003-03-17 2005-01-06 Vuesonix Sensors, Inc. Increased sensitivity for 4-D ultrasound imaging and for 4-D doppler ultrasound imaging
WO2004087009A2 (en) * 2003-03-27 2004-10-14 Vuesonix Sensors, Inc. Mapping and tracking blood flow using reduced-element probe
US6858010B2 (en) * 2003-05-06 2005-02-22 Siemens Medical Solutions Usa, Inc. Identifying clinical markers in spatial compounding ultrasound imaging
US20060058669A1 (en) * 2003-08-14 2006-03-16 Matsushita Electric Industrial Co., Ltd. Ultrasonographic device
DE602004017028D1 (de) * 2003-09-10 2008-11-20 Koninkl Philips Electronics Nv Ultraschall-kompoundierung mit aussenden multipler simultaner strahlen
EP1682006A4 (de) * 2003-10-29 2011-01-26 Physiosonics Inc Verfahren und gerät zur bestimmung einer mittellinie eines ultraschallflüssigkeitsflusses
JP2007512870A (ja) * 2003-11-20 2007-05-24 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ビーム形成の自動調節を有する超音波診断の画像化
US9310475B2 (en) 2003-11-21 2016-04-12 General Electric Company Method and apparatus for transmitting multiple beams
US7004906B1 (en) * 2004-07-26 2006-02-28 Siemens Medical Solutions Usa, Inc. Contrast agent imaging with agent specific ultrasound detection
US20060058674A1 (en) * 2004-08-31 2006-03-16 General Electric Company Optimizing ultrasound acquisition based on ultrasound-located landmarks
JP4860945B2 (ja) * 2005-06-09 2012-01-25 日立アロカメディカル株式会社 超音波診断装置
WO2007017781A2 (en) * 2005-08-05 2007-02-15 Koninklijke Philips Electronics, N.V. Curved 2-d array ultrasound transducer and method for volumetric imaging
US20070068253A1 (en) * 2005-09-15 2007-03-29 General Electric Company Uni-index variable angle phased array probe
KR100936454B1 (ko) * 2006-08-18 2010-01-13 주식회사 메디슨 스캔라인을 제어하는 초음파 시스템 및 방법
KR100949066B1 (ko) * 2006-09-08 2010-03-30 주식회사 메디슨 스캔라인을 제어하는 초음파 시스템 및 방법
US20100298703A1 (en) * 2006-10-20 2010-11-25 Koninklijke Philips Electronics N.V. Variable line length scanning patterns
US7780601B2 (en) 2007-06-05 2010-08-24 Siemens Medical Solutions Usa, Inc. Adaptive clinical marker preservation in spatial compound ultrasound imaging
US8137278B2 (en) * 2007-09-12 2012-03-20 Sonosite, Inc. System and method for spatial compounding using phased arrays
JP5074963B2 (ja) * 2008-03-13 2012-11-14 日立アロカメディカル株式会社 超音波診断装置
JP5665040B2 (ja) 2009-09-10 2015-02-04 学校法人上智学院 変位計測方法及び装置、並びに、超音波診断装置
JP5886318B2 (ja) * 2010-12-22 2016-03-16 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 質量中心を用いたせん断波速度の推定
JP2012192077A (ja) * 2011-03-17 2012-10-11 Fujifilm Corp 超音波診断装置および超音波画像生成方法
US8891840B2 (en) 2012-02-13 2014-11-18 Siemens Medical Solutions Usa, Inc. Dynamic steered spatial compounding in ultrasound imaging
US9081097B2 (en) 2012-05-01 2015-07-14 Siemens Medical Solutions Usa, Inc. Component frame enhancement for spatial compounding in ultrasound imaging
KR102114414B1 (ko) * 2012-10-08 2020-05-22 삼성전자주식회사 초음파 트랜스듀서를 이용한 전단파의 전파를 관측하는 방법, 장치 및 시스템
JP6183890B2 (ja) * 2013-05-22 2017-08-23 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 超音波診断装置
KR102438750B1 (ko) * 2015-03-31 2022-08-31 삼성전자주식회사 아티팩트 제거 방법 및 이를 위한 진단 장치
US11529124B2 (en) * 2015-03-31 2022-12-20 Samsung Electronics Co., Ltd. Artifact removing method and diagnostic apparatus using the same
WO2019114585A1 (en) * 2017-12-12 2019-06-20 Versitech Limited Ultrafast ultrasound imaging with cascaded dual-polarity waves
US12123986B2 (en) * 2018-05-22 2024-10-22 Analog Devices, Inc. Delay and apodization control interface for ultrasound beamformer
CN109688512B (zh) * 2018-12-26 2020-12-22 北京猎户星空科技有限公司 一种拾音方法及装置
JP7211150B2 (ja) * 2019-02-21 2023-01-24 コニカミノルタ株式会社 超音波診断装置、超音波画像生成方法及びプログラム
EP3983849B1 (de) * 2019-06-14 2026-02-25 BFLY Operations, Inc. Verfahren und vorrichtungen zur erfassung von ultraschalldaten in verschiedenen höhensteuerwinkeln
JP7581940B2 (ja) * 2021-02-09 2024-11-13 コニカミノルタ株式会社 超音波診断装置、設定制御方法および設定制御プログラム
JP2024511870A (ja) * 2021-04-02 2024-03-15 アンセルム（アンスティチュート・ナシオナル・ドゥ・ラ・サンテ・エ・ドゥ・ラ・ルシェルシュ・メディカル） 発散レンズアレイ
EP4599269A1 (de) * 2022-10-03 2025-08-13 Mayo Foundation for Medical Education and Research Schnelles ultraschallbildgebungsverfahren zur bewegungsdetektion unter verwendung von kammdetektionsstrahlen
CN115616486B (zh) * 2022-10-20 2024-12-20 深海技术科学太湖实验室 一种基于反卷积的双线阵聚焦波束形成被动定位方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4159462A (en) * 1977-08-18 1979-06-26 General Electric Company Ultrasonic multi-sector scanner
JPS5618850A (en) * 1979-07-23 1981-02-23 Tokyo Shibaura Electric Co Ultrasonic diagnosing device
JPS5618770A (en) * 1979-07-25 1981-02-21 Toshiba Corp Ultrasonic probe
JPS5672857A (en) * 1979-11-16 1981-06-17 Matsushita Electric Industrial Co Ltd Method of scanning ultrasonic diagnosing device
JPS5943169B2 (ja) * 1979-12-14 1984-10-20 横河電機株式会社 超音波診断装置
US4344327B1 (en) * 1979-12-28 1994-05-03 Aloka Co Ltd Electronic scanning ultrasonic diagnostic system
JPS573628A (en) * 1980-06-11 1982-01-09 Aloka Co Ltd Ultrasonic diagnosis apparatus for endoscope
JPS5711648A (en) * 1980-06-27 1982-01-21 Matsushita Electric Industrial Co Ltd Ultrasonic probe
JPS57161672A (en) * 1981-03-31 1982-10-05 Fujitsu Ltd Measuring method utilizing ultrasonic wave
JPS6041956A (ja) * 1983-08-19 1985-03-05 株式会社東芝 超音波診断装置
JPS6048732A (ja) * 1983-08-25 1985-03-16 富士通株式会社 超音波診断装置
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−
US4550607A (en) * 1984-05-07 1985-11-05 Acuson Phased array acoustic imaging system
US4569231A (en) * 1984-07-09 1986-02-11 General Electric Company Multiple frequency annular transducer array and system
CA1252553A (en) * 1984-09-25 1989-04-11 John G. Abbott Ultrasonic compound scan with a rotating transducer
CA1241430A (en) * 1984-09-25 1988-08-30 John G. Abbott Ultrasonic compound scan with an oscillating transducer
JPS6244226A (ja) * 1985-08-21 1987-02-26 アロカ株式会社 超音波ドプラ装置
JPS62121356A (ja) * 1985-11-21 1987-06-02 Agency Of Ind Science & Technol 超音波撮像装置
JPH074364B2 (ja) * 1986-01-28 1995-01-25 株式会社東芝 超音波診断装置

Also Published As

Publication number Publication date
US5148810A (en) 1992-09-22
EP0442450A3 (en) 1991-11-27
AU7101191A (en) 1991-08-29
AU630786B2 (en) 1992-11-05
CA2036061C (en) 1996-09-17
JPH0622965A (ja) 1994-02-01
EP0442450B1 (de) 1995-12-06
DE69115072T2 (de) 1996-10-24
CA2036061A1 (en) 1991-08-13
EP0442450A2 (de) 1991-08-21
DE69115072D1 (de) 1996-01-18
JP2807113B2 (ja) 1998-10-08

Similar Documents

Publication Publication Date Title
DE69115072D1 (de) Verfahren und Vorrichtung für die akustische Abtastung mit variablem Ursprung und variablem Winkel.
US3881466A (en) Ultrasonic cross-sectional imaging system
CN100354651C (zh) 超声波换能器
WO1997001768A3 (en) Portable ultrasound imaging system
ATE305654T1 (de) Tragbares ultraschalldiagnosegerät mit einem digitalen strahlformer
JPS56103327A (en) Ultrasonic image pickup apparatus
ATE494838T1 (de) Ultraschall-bildgebungssystem und verfahren
CA2093645A1 (en) Annular ultrasonic transducers in a catheter
EP0952462A3 (de) Verfahren und Anordnung zur Verbesserung der Anzeige von Biopsiekanülen in Ultraschall-Bilddarstelllung
ATE297688T1 (de) Ultraschallwandler-anordnung für ein handgehaltenes diagnostik-instrument
KR980000367A (ko) 핸드헬드 초음파 진단기
EP0642036A3 (de) Ultraschall-Diagnosegerät
DE69128919D1 (de) Ultraschallabbildung mit radialer Abtastung eines trapezförmigen Sektors
FR2815717B1 (fr) Procede et dispositif non invasif de focalisation d'ondes acoustiques
EP0770353A3 (de) Ultraschalldiagnosegerät
US4961176A (en) Ultrasonic probe
DE60115837D1 (de) Wandleranordnung eines ultraschalldiagnose-abbildungssystems mit vielfachlinien-unterteilungen
GB1570687A (en) Ultrasonic phase array systems
JPH03500454A (ja) 人為構造を除外した超音波反射伝送映像化方法および装置
Muir Nonlinear effects in acoustic imaging
GB2185321A (en) Ultrasonic reflex transmission imaging method and apparatus with external reflector
ATE104061T1 (de) Verfahren zur ultraschall-bilddarstellung.
DE60217868D1 (de) Bilderzeugungs- sonar und detektionssytem mit verwendung eines solchen sonars
JPS587231A (ja) 超音波診断装置
JPS5690274A (en) Scanning method by ultrasonic wave

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties