JP7239464B2 - 乗算器を含まないfirフィルタを使用したデジタルマイクロビーム形成器を含む超音波プローブ - Google Patents
乗算器を含まないfirフィルタを使用したデジタルマイクロビーム形成器を含む超音波プローブ Download PDFInfo
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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
- A61B8/4483—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
- A61B8/13—Tomography
- A61B8/14—Echo-tomography
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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
- 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
- G01S15/8925—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being a two-dimensional transducer configuration, i.e. matrix or orthogonal linear arrays
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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
- G01S7/52025—Details of receivers for pulse systems
- G01S7/52026—Extracting wanted echo signals
- G01S7/52028—Extracting wanted echo signals using digital techniques
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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
- G01S7/52079—Constructional features
- G01S7/5208—Constructional features with integration of processing functions inside probe or scanhead
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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
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- G01S7/52096—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 related to power management, e.g. saving power or prolonging life of electronic components
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- 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
- G10K11/346—Circuits therefor using phase variation
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
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Description
Claims (15)
- アナログエコー信号を生成するように構成されたトランスデューサ素子のアレイと、
デジタルマイクロビーム形成器と
を備えるデジタルマイクロビーム形成のための超音波プローブであって、
前記トランスデューサ素子に結合されて、前記アナログエコー信号を遅延させ、遅延させたアナログエコー信号を加算して、複数の部分的にビーム形成されたアナログエコー信号を生成するアナログセクションと、
前記アナログセクションからの前記複数の部分的にビーム形成されたアナログエコー信号を受信してデジタルエコー信号に変換する複数のADCと、
前記ADCに結合され、前記デジタルエコー信号に基づいてデジタルビーム形成されたエコー信号を生成するデジタルビーム形成回路であって、FIRフィルタを備えるデジタル遅延回路を備える、当該デジタルビーム形成回路と
を、前記デジタルマイクロビーム形成器が備え、
前記FIRフィルタが、乗算器を使用せずに、受信された前記デジタルエコー信号を重み付けすることにより前記デジタルエコー信号のサブサンプル遅延を生成する、
超音波プローブ。 - 前記FIRフィルタが、シフト及び加算重み付け回路を備える、
請求項1に記載の超音波プローブ。 - 前記FIRフィルタが、複数の前記シフト及び加算重み付け回路を備える、
請求項2に記載の超音波プローブ。 - 前記FIRフィルタが、前記シフト及び加算重み付け回路に結合された入力を含むマルチプレクサを備える、
請求項3に記載の超音波プローブ。 - 前記FIRフィルタが、前記デジタルエコー信号を受信するように結合された入力と、
出力とを含むレジスタを備える、
請求項4に記載の超音波プローブ。 - 前記レジスタの前記入力と前記出力とが、前記シフト及び加算重み付け回路に結合された、
請求項5に記載の超音波プローブ。 - 前記レジスタの前記入力と前記出力とが、超音波プローブの動作中に右に1つシフトさせた上で、最上位ビットにゼロを付加する前記シフト及び加算重み付け回路にさらに結合された、
請求項6に記載の超音波プローブ。 - 前記デジタルビーム形成回路が、選択可能に遅延された前記デジタルエコー信号を生成する前記デジタル遅延回路を備える、
請求項1に記載の超音波プローブ。 - 前記デジタル遅延回路が、ランダムアクセスメモリを備える、
請求項8に記載の超音波プローブ。 - 前記デジタル遅延回路が、前記ランダムアクセスメモリの入力に結合された書き込みアドレスカウンタを備え、
前記ランダムアクセスメモリが、前記ADCのうちの1つの出力に結合された入力を備える、
請求項9に記載の超音波プローブ。 - 前記デジタル遅延回路が、
前記ランダムアクセスメモリの前記入力に結合された読み出しアドレスカウンタと、
前記読み出しアドレスカウンタに結合された焦点制御回路と
をさらに備える、
請求項10に記載の超音波プローブ。 - 前記焦点制御回路が、前記FIRフィルタに結合された、
請求項11に記載の超音波プローブ。 - 前記デジタルビーム形成回路が、複数のデジタル加算回路を備える、
請求項1に記載の超音波プローブ。 - 前記デジタルビーム形成回路が、前記ADCのうちの1つの出力に結合された入力と、前記FIRフィルタの入力に結合された出力とを備える、
請求項13に記載の超音波プローブ。 - 前記FIRフィルタが、前記デジタル加算回路のうちの1つに結合された出力を備える、
請求項14に記載の超音波プローブ。
Applications Claiming Priority (3)
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US201662382867P | 2016-09-02 | 2016-09-02 | |
US62/382,867 | 2016-09-02 | ||
PCT/EP2017/070890 WO2018041644A1 (en) | 2016-09-02 | 2017-08-17 | Ultrasound probe with digital microbeamformer using fir filters with no multipliers |
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JP2019526352A JP2019526352A (ja) | 2019-09-19 |
JP7239464B2 true JP7239464B2 (ja) | 2023-03-14 |
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JP2019511735A Active JP7239464B2 (ja) | 2016-09-02 | 2017-08-17 | 乗算器を含まないfirフィルタを使用したデジタルマイクロビーム形成器を含む超音波プローブ |
Country Status (4)
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US (1) | US11627940B2 (ja) |
JP (1) | JP7239464B2 (ja) |
CN (1) | CN109690343B (ja) |
WO (1) | WO2018041644A1 (ja) |
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KR102708716B1 (ko) * | 2019-02-18 | 2024-09-23 | 삼성메디슨 주식회사 | 아날로그 빔포머 |
US11571184B2 (en) * | 2019-04-03 | 2023-02-07 | Bfly Operations, Inc. | Ultrasound device with elevational beamforming |
US20230314580A1 (en) * | 2022-03-31 | 2023-10-05 | Exo Imaging, Inc. | Systems and methods for ultrasound imaging with dynamic microbeamformers |
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- 2017-08-17 CN CN201780053866.0A patent/CN109690343B/zh active Active
- 2017-08-17 WO PCT/EP2017/070890 patent/WO2018041644A1/en active Application Filing
- 2017-08-17 US US16/329,282 patent/US11627940B2/en active Active
- 2017-08-17 JP JP2019511735A patent/JP7239464B2/ja active Active
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CN109690343A (zh) | 2019-04-26 |
CN109690343B (zh) | 2024-03-19 |
US20190247019A1 (en) | 2019-08-15 |
US11627940B2 (en) | 2023-04-18 |
WO2018041644A1 (en) | 2018-03-08 |
JP2019526352A (ja) | 2019-09-19 |
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