JP2010042048A - 超音波診断装置 - Google Patents
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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
- A61B8/48—Diagnostic techniques
- A61B8/481—Diagnostic techniques involving the use of contrast agent, e.g. microbubbles introduced into the bloodstream
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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
- G01S7/52038—Details of receivers using analysis of echo signal for target characterisation involving non-linear properties of the propagation medium or of the reflective target
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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
- A61B8/13—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
- G01S15/895—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum
- G01S15/8954—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum using a broad-band spectrum
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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
- G01S15/8959—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using coded signals for correlation purposes
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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
- G01S15/8959—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using coded signals for correlation purposes
- G01S15/8961—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using coded signals for correlation purposes using pulse compression
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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
- G01S15/8959—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using coded signals for correlation purposes
- G01S15/8963—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using coded signals for correlation purposes using pulse inversion
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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
- G01S7/52038—Details of receivers using analysis of echo signal for target characterisation involving non-linear properties of the propagation medium or of the reflective target
- G01S7/52039—Details of receivers using analysis of echo signal for target characterisation involving non-linear properties of the propagation medium or of the reflective target exploiting the non-linear response of a contrast enhancer, e.g. a contrast agent
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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
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
- G01S15/102—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
- G01S15/104—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
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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
- G01S15/8918—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being linear
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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
- G01S15/8993—Three dimensional imaging systems
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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
- G01S7/52077—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
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Abstract
【解決手段】送信信号として互いに位相が反転関係にある第1チャープ信号と第2チャープ信号が用いられ、第1チャープ信号に対応した第1受信信号と第2チャープ信号に対応した第2受信信号が得られる。加算処理部22は、第1受信信号と第2受信信号を加算処理する。PI法の原理により第1受信信号と第2受信信号の加算処理の結果として、基本波と奇数次の高調波成分がキャンセルされて偶数次の高調波成分が抽出される。差分処理部24は、第1受信信号と第2受信信号の差分を算出する。PI法の原理により第1受信信号と第2受信信号の差分処理の結果として、偶数次の高調波成分がキャンセルされて基本波と奇数次の高調波成分が抽出される。これにより、複数の次数の高調波成分についての相互干渉を小さく抑えつつ各高調波成分を抽出することができる。
【選択図】図1
Description
Claims (8)
- 超音波を送受波するプローブと、
互いに位相が反転関係にある第1チャープ信号と第2チャープ信号に対応した超音波を送波するようにプローブを制御する送信制御部と、
プローブにより受波される超音波に基づいて、第1チャープ信号に対応した第1受信信号と第2チャープ信号に対応した第2受信信号を得る受信処理部と、
第1受信信号と第2受信信号との間における加算処理および減算処理のうちの少なくとも一方の処理に基づいて、受信信号の高調波成分を抽出する高調波抽出部と、
抽出された高調波成分に対してパルス圧縮処理を施すパルス圧縮処理部と、
パルス圧縮処理された高調波成分に基づいて超音波画像の画像データを形成する画像形成部と、
を有する、
ことを特徴とする超音波診断装置。 - 請求項1に記載の超音波診断装置において、
前記高調波抽出部は、第1受信信号と第2受信信号との間における加算処理により偶数次の高調波成分を抽出する、
ことを特徴とする超音波診断装置。 - 請求項1または2に記載の超音波診断装置において、
前記高調波抽出部は、第1受信信号と第2受信信号との間における減算処理により奇数次の高調波成分を抽出する、
ことを特徴とする超音波診断装置。 - 請求項1から3のいずれか1項に記載の超音波診断装置において、
前記高調波抽出部は、加算処理と減算処理とにより複数の次数の高調波成分を抽出し、
前記パルス圧縮処理部は、各次数ごとに高調波成分に対してパルス圧縮処理を施し、
前記画像形成部は、パルス圧縮処理された複数の次数の高調波成分を合成した合成信号に基づいて超音波画像の画像データを形成する、
ことを特徴とする超音波診断装置。 - 請求項4に記載の超音波診断装置において、
前記高調波抽出部は、第1受信信号と第2受信信号との間における加算処理により2次および4次の高調波成分を抽出し、且つ、第1受信信号と第2受信信号との間における減算処理により3次および5次の高調波成分を抽出する、
ことを特徴とする超音波診断装置。 - 請求項1から5のいずれか1項に記載の超音波診断装置において、
前記プローブは、バブルを含む診断領域に対して超音波を送受波し、
前記送信制御部は、バブルの共振周波数を基準として設定される周波数帯域かつバブルの膨張倍率を基準として設定される送信音圧により、第1チャープ信号と第2チャープ信号に対応した超音波を送波するようにプローブを制御する、
ことを特徴とする超音波診断装置。 - 請求項6に記載の超音波診断装置において、
前記送信制御部は、バブルの共振周波数以下となるように第1チャープ信号と第2チャープ信号の中心周波数を設定し、バブルの膨張倍率が1.5以上となるように送信音圧を設定する、
ことを特徴とする超音波診断装置。 - 請求項1から7のいずれか1項に記載の超音波診断装置において、
前記プローブは、第1チャープ信号と第2チャープ信号の周波数帯域に対応した送信用振動素子と、受信信号の高調波成分の周波数帯域に対応した受信用振動素子とを備える、
ことを特徴とする超音波診断装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008206046A JP4627556B2 (ja) | 2008-08-08 | 2008-08-08 | 超音波診断装置 |
EP09007493.1A EP2154548B1 (en) | 2008-08-08 | 2009-06-05 | Ultrasound diagnostic apparatus for nonlinear contrast imaging |
US12/480,924 US8740799B2 (en) | 2008-08-08 | 2009-06-09 | Ultrasound diagnostic apparatus |
CN200910146033.6A CN101642379B (zh) | 2008-08-08 | 2009-06-10 | 超声波诊断装置 |
Applications Claiming Priority (1)
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JP2008206046A JP4627556B2 (ja) | 2008-08-08 | 2008-08-08 | 超音波診断装置 |
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JP2010042048A true JP2010042048A (ja) | 2010-02-25 |
JP4627556B2 JP4627556B2 (ja) | 2011-02-09 |
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JP2008206046A Expired - Fee Related JP4627556B2 (ja) | 2008-08-08 | 2008-08-08 | 超音波診断装置 |
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US (1) | US8740799B2 (ja) |
EP (1) | EP2154548B1 (ja) |
JP (1) | JP4627556B2 (ja) |
CN (1) | CN101642379B (ja) |
Cited By (5)
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CN102793566A (zh) * | 2011-05-24 | 2012-11-28 | 中国科学院深圳先进技术研究院 | 声辐射力的产生系统及方法 |
JP2014147620A (ja) * | 2013-02-04 | 2014-08-21 | Seiko Epson Corp | 超音波測定装置、超音波画像装置及び超音波測定方法 |
JP2016086958A (ja) * | 2014-10-31 | 2016-05-23 | セイコーエプソン株式会社 | 超音波測定装置、超音波画像装置及び超音波測定方法 |
CN107205722A (zh) * | 2015-01-29 | 2017-09-26 | 皇家飞利浦有限公司 | 宽带混合的基波和谐波频率超声诊断成像 |
WO2023063040A1 (ja) * | 2021-10-14 | 2023-04-20 | Hoya株式会社 | 電子内視鏡システム |
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JP5735496B2 (ja) * | 2010-06-04 | 2015-06-17 | 株式会社日立メディコ | 超音波診断装置 |
JP5560134B2 (ja) * | 2010-08-03 | 2014-07-23 | 富士フイルム株式会社 | 超音波画像生成装置 |
US20120323122A1 (en) * | 2011-06-14 | 2012-12-20 | Konica Minolta Medical & Graphic, Inc. | Ultrasound image diagnostic device |
JP5760994B2 (ja) * | 2011-11-30 | 2015-08-12 | コニカミノルタ株式会社 | 超音波画像診断装置 |
US10136835B1 (en) | 2012-05-02 | 2018-11-27 | University Of Washington Through Its Center For Commercialization | Determining a presence of an object |
JP6133622B2 (ja) * | 2013-02-27 | 2017-05-24 | 日立オートモティブシステムズ株式会社 | 車両制御装置 |
JP5906281B2 (ja) * | 2014-06-17 | 2016-04-20 | 日立アロカメディカル株式会社 | 超音波診断装置 |
US20170254781A1 (en) * | 2014-08-27 | 2017-09-07 | Commonwealth Scientific And Industrial Research Organisation | A method and a device for acoustic estimation of bubble properties |
JP6402590B2 (ja) * | 2014-10-31 | 2018-10-10 | セイコーエプソン株式会社 | 超音波測定装置、超音波画像装置及び超音波測定方法 |
KR102364289B1 (ko) * | 2014-11-06 | 2022-02-17 | 삼성메디슨 주식회사 | 초음파 진단 장치 및 그 제어방법 |
JP6038259B1 (ja) * | 2015-10-20 | 2016-12-07 | 株式会社日立製作所 | 超音波診断装置 |
JP2017136235A (ja) * | 2016-02-04 | 2017-08-10 | コニカミノルタ株式会社 | 超音波診断装置、および、超音波信号処理方法 |
US11596381B2 (en) * | 2018-03-19 | 2023-03-07 | Verathon Inc. | Multiple frequency scanning using an ultrasound probe |
CN111227865A (zh) * | 2020-01-16 | 2020-06-05 | 黄晶 | 一种超声共振成像系统 |
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Also Published As
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EP2154548A1 (en) | 2010-02-17 |
JP4627556B2 (ja) | 2011-02-09 |
US20100036255A1 (en) | 2010-02-11 |
CN101642379B (zh) | 2014-06-11 |
US8740799B2 (en) | 2014-06-03 |
EP2154548B1 (en) | 2014-04-23 |
CN101642379A (zh) | 2010-02-10 |
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