JP6932084B2 - 非対称送信信号を用いる超音波システム - Google Patents

非対称送信信号を用いる超音波システム Download PDF

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Publication number
JP6932084B2
JP6932084B2 JP2017565240A JP2017565240A JP6932084B2 JP 6932084 B2 JP6932084 B2 JP 6932084B2 JP 2017565240 A JP2017565240 A JP 2017565240A JP 2017565240 A JP2017565240 A JP 2017565240A JP 6932084 B2 JP6932084 B2 JP 6932084B2
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Japan
Prior art keywords
ultrasonic
ultrasonic system
transducer element
signal
transducer
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JP2017565240A
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English (en)
Japanese (ja)
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JP2018519052A5 (cg-RX-API-DMAC7.html
JP2018519052A (ja
Inventor
ニール オーウェン
ニール オーウェン
サード ハリー アモン クンケル
サード ハリー アモン クンケル
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Koninklijke Philips NV
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Koninklijke Philips NV
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Priority to JP2021088266A priority Critical patent/JP7183338B2/ja
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    • 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
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
    • A61B8/4488—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer the transducer being a phased array
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
    • A61B8/4494—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/485—Diagnostic techniques involving measuring strain or elastic properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0215—Driving circuits for generating pulses, e.g. bursts of oscillations, envelopes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
    • B06B1/0622—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
    • 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
    • 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
    • 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
    • G01S7/52019—Details of transmitters
    • G01S7/5202—Details of transmitters for pulse systems
    • 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
    • G01S7/52019—Details of transmitters
    • G01S7/5202—Details of transmitters for pulse systems
    • G01S7/52022—Details of transmitters for pulse systems using a sequence of pulses, at least one pulse manipulating the transmissivity or reflexivity of the medium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70—Specific application
    • B06B2201/76—Medical, dental
    • 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
    • G01S7/52036—Details of receivers using analysis of echo signal for target characterisation
    • G01S7/52042—Details of receivers using analysis of echo signal for target characterisation determining elastic properties of the propagation medium or of the reflective target
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/85—Piezoelectric or electrostrictive active materials
    • H10N30/853—Ceramic compositions
    • H10N30/8548—Lead-based oxides
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/85—Piezoelectric or electrostrictive active materials
    • H10N30/853—Ceramic compositions
    • H10N30/8548—Lead-based oxides
    • H10N30/8554—Lead-zirconium titanate [PZT] based

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Gynecology & Obstetrics (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP2017565240A 2015-06-29 2016-06-28 非対称送信信号を用いる超音波システム Active JP6932084B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021088266A JP7183338B2 (ja) 2015-06-29 2021-05-26 非対称送信信号を用いる超音波システム

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562185966P 2015-06-29 2015-06-29
US62/185,966 2015-06-29
PCT/IB2016/053845 WO2017002007A1 (en) 2015-06-29 2016-06-28 Ultrasound system with asymmetric transmit signals

Related Child Applications (1)

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JP2018519052A JP2018519052A (ja) 2018-07-19
JP2018519052A5 JP2018519052A5 (cg-RX-API-DMAC7.html) 2019-07-25
JP6932084B2 true JP6932084B2 (ja) 2021-09-08

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JP2021088266A Active JP7183338B2 (ja) 2015-06-29 2021-05-26 非対称送信信号を用いる超音波システム

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EP (1) EP3314292B1 (cg-RX-API-DMAC7.html)
JP (2) JP6932084B2 (cg-RX-API-DMAC7.html)
CN (1) CN107810429A (cg-RX-API-DMAC7.html)
RU (1) RU2713036C2 (cg-RX-API-DMAC7.html)
WO (1) WO2017002007A1 (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11029400B2 (en) 2018-07-23 2021-06-08 General Electric Company Methods and system for maintaining polarization of an ultrasound transducer
US11311275B2 (en) * 2019-03-28 2022-04-26 Siemens Medical Solutions Usa, Inc. Asymmetry for acoustic radiation force impulse
US11464494B2 (en) 2019-07-19 2022-10-11 GE Precision Healthcare LLC Method and system to revert a depoling effect exhibited by an ultrasound transducer
US11435461B2 (en) 2019-07-19 2022-09-06 GE Precision Healthcare LLC Method and system to prevent depoling of ultrasound transducer
CN113288202B (zh) * 2020-02-24 2025-08-26 通用电气精准医疗有限责任公司 反转由超声换能器表现出的去极化效应的方法和系统
CN117979908A (zh) 2021-09-21 2024-05-03 富士胶片株式会社 超声波诊断系统及超声波诊断系统的工作方法
CN114111657B (zh) * 2021-11-11 2024-06-04 国网辽宁省电力有限公司检修分公司 一种均压电极结垢厚度检测系统及操作方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1439486A1 (ru) * 1987-04-27 1988-11-23 Киевский Политехнический Институт Им.50-Летия Великой Октябрьской Социалистической Революции Система акустического изображени
US5581517A (en) 1994-08-05 1996-12-03 Acuson Corporation Method and apparatus for focus control of transmit and receive beamformer systems
US6057632A (en) * 1998-06-09 2000-05-02 Acuson Corporation Frequency and bandwidth controlled ultrasound transducer
JP3396647B2 (ja) * 1999-06-29 2003-04-14 株式会社東芝 超音波発振装置および超音波発振装置の駆動方法
US6532819B1 (en) 2000-02-29 2003-03-18 Jie Chen Wideband piezoelecric transducer for harmonic imaging
US6497660B1 (en) * 2000-10-18 2002-12-24 Koninklijke Philips Electronics N.V. Ultrasound imaging device
US6695783B2 (en) 2000-12-22 2004-02-24 Koninklijke Philips Electronics N.V. Multiline ultrasound beamformers
US6482157B2 (en) 2001-03-30 2002-11-19 Koninklijke Philips Electronics N.V. Ultrasonic diagnostic imaging systems with blended multiline for 2D and 3D applications
US6582371B2 (en) 2001-07-31 2003-06-24 Koninklijke Philips Electronics N.V. Ultrasound probe wiring method and apparatus
US7022074B2 (en) * 2003-06-12 2006-04-04 Ge Medical Systems Global Technology Company, Llc Method and apparatus for generating a multi-level ultrasound pulse
US9116229B2 (en) * 2003-08-04 2015-08-25 Microchip Technology Inc. Ultrasound transmit beamformer integrated circuit and method
US6937176B2 (en) 2003-09-30 2005-08-30 Koninklijke Philips Electronics, N.V. Ultrasonic signal acquisition in the digital beamformer
EP1693668A1 (de) * 2005-01-27 2006-08-23 Siemens Aktiengesellschaft Verfahren und Einrichtung zum Ermitteln von Defekten an einem Bauelement einer Turbine
JP2006217942A (ja) * 2005-02-08 2006-08-24 Fuji Photo Film Co Ltd 超音波撮像装置
EP2019626B1 (en) 2006-05-12 2015-09-02 Koninklijke Philips Electronics, N.V. Incoherent retrospective dynamic transmit focusing
JP4163733B2 (ja) * 2006-07-18 2008-10-08 アロカ株式会社 超音波診断装置
US7652410B2 (en) * 2006-08-01 2010-01-26 Insightec Ltd Ultrasound transducer with non-uniform elements
CN102667522B (zh) 2009-11-25 2014-10-08 皇家飞利浦电子股份有限公司 采用聚焦扫描线波束形成的超声剪切波成像
US9237878B2 (en) * 2011-04-22 2016-01-19 Mayo Foundation For Medical Education And Research Generation and assessment of shear waves in elasticity imaging
US10025272B2 (en) * 2013-01-25 2018-07-17 General Electric Company Ultrasonic holography imaging system and method
JP5924296B2 (ja) * 2013-03-19 2016-05-25 コニカミノルタ株式会社 超音波画像診断装置
JP5730979B2 (ja) * 2013-11-08 2015-06-10 日立アロカメディカル株式会社 超音波診断装置、及び弾性評価方法

Also Published As

Publication number Publication date
JP2021151494A (ja) 2021-09-30
JP7183338B2 (ja) 2022-12-05
EP3314292B1 (en) 2024-08-21
US20180156904A1 (en) 2018-06-07
EP3314292A1 (en) 2018-05-02
WO2017002007A1 (en) 2017-01-05
RU2713036C2 (ru) 2020-02-03
JP2018519052A (ja) 2018-07-19
RU2018102882A3 (cg-RX-API-DMAC7.html) 2019-10-23
RU2018102882A (ru) 2019-07-29
CN107810429A (zh) 2018-03-16

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