JP7183338B2 - 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 PDFInfo
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- JP7183338B2 JP7183338B2 JP2021088266A JP2021088266A JP7183338B2 JP 7183338 B2 JP7183338 B2 JP 7183338B2 JP 2021088266 A JP2021088266 A JP 2021088266A JP 2021088266 A JP2021088266 A JP 2021088266A JP 7183338 B2 JP7183338 B2 JP 7183338B2
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- G—PHYSICS
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- 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
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- G—PHYSICS
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- 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
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- 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
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- 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
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- A61B8/48—Diagnostic techniques
- A61B8/485—Diagnostic techniques involving measuring strain or elastic properties
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- 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
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- 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
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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
- 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
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- G—PHYSICS
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- 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
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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
- G01S7/52019—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
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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
- G01S7/52023—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
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- 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
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- 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
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- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Radiology & Medical Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (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)
Description
Claims (14)
- 超音波エネルギーを身体に送信する超音波システムであって、
複数の超音波トランスデューサ要素のアレイを持つ超音波プローブであって、前記複数の超音波トランスデューサ要素のアレイは圧電材料の分極を提供する配向にアラインされるドメインを備える単結晶圧電材料を有する、超音波プローブと、
前記複数の超音波トランスデューサ要素に結合される複数の送信チャネルを持ち、それぞれの送信時間間隔の間に、非対称な振幅の送信信号を各々の前記送信チャネルを介して前記複数の超音波トランスデューサ要素の各々に印加するように構成される送信ビーム形成器であって、前記非対称な振幅の送信信号は、前記超音波エネルギーが前記身体に送信される間、前記圧電材料の前記分極が強化されるように、前記配向にアラインされるドメインを維持する力を生成するように構成される非ゼロ平均振幅を有する、送信ビーム形成器と
を有する、超音波システム。 - 前記超音波トランスデューサ要素が、圧電セラミックトランスデューサ要素を更に有する、請求項1に記載の超音波システム。
- 前記超音波トランスデューサ要素が、単結晶PMN-PT、PZN-PT、又はPIN-PMN-PTを更に有する、請求項2に記載の超音波システム。
- 各送信チャネルをトランスデューサ要素に結合するT/Rスイッチを更に有する、請求項1乃至3のいずれか1項に記載の超音波システム。
- 前記T/Rスイッチを前記トランスデューサ要素に結合するプローブケーブルを更に有する、請求項4に記載の超音波システム。
- 前記超音波トランスデューサ要素が、負の極性のトランスデューサ要素を更に有し、
前記非対称な振幅の送信信号は、ゼロ基準電圧に対して負の平均振幅値を示す、請求項1乃至5のいずれか1項に記載の超音波システム。 - 前記超音波トランスデューサ要素が、正の極性のトランスデューサ要素を更に有し、
前記非対称な振幅の送信信号は、ゼロ基準電圧に対して正の平均振幅値を示す、請求項1乃至5のいずれか1項に記載の超音波システム。 - 各送信チャネルが、前記非対称な振幅の送信信号に関するデジタル送信信号データを格納するハードウェアアドレス可能なメモリデバイス又はシフトレジスタを更に有する、請求項1に記載の超音波システム。
- 各送信チャネルが、デジタル送信信号データを受信し、アナログ送信信号へと前記データを変換するデジタル-アナログ変換器を更に有する、請求項8に記載の超音波システム。
- 各送信チャネルが、アナログ送信信号を受信し、トランスデューサ要素に高電圧送信信号を印加する高電圧送信増幅器を更に有する、請求項9に記載の超音波システム。
- 前記非対称な振幅の送信信号が、プッシュパルス送信信号を更に有する、請求項1乃至10のいずれか1項に記載の超音波システム。
- 前記プッシュパルス送信信号が更に、50乃至1000マイクロ秒の持続時間のプッシュパルスを生成する、請求項11に記載の超音波システム。
- 前記送信ビーム形成器が更に、非対称なRF信号を印加する、請求項1乃至12のいずれか1項に記載の超音波システム。
- 前記システムが、DCバイアス回路を有し、前記非対称な振幅の信号は、DCバイアスと対称RF信号との組合せである、請求項1に記載の超音波システム。
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US201562185966P | 2015-06-29 | 2015-06-29 | |
US62/185,966 | 2015-06-29 | ||
JP2017565240A JP6932084B2 (ja) | 2015-06-29 | 2016-06-28 | 非対称送信信号を用いる超音波システム |
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US (1) | US20180156904A1 (ja) |
EP (1) | EP3314292B1 (ja) |
JP (2) | JP6932084B2 (ja) |
CN (1) | CN107810429A (ja) |
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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 |
US11435461B2 (en) * | 2019-07-19 | 2022-09-06 | GE Precision Healthcare LLC | Method and system to prevent depoling of ultrasound transducer |
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 |
CN113288202A (zh) * | 2020-02-24 | 2021-08-24 | 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 |
EP4406485A1 (en) | 2021-09-21 | 2024-07-31 | FUJIFILM Corporation | Ultrasonic diagnosis system and operating method for ultrasonic diagnosis system |
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 |
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