JP2011087965A - 空間合成による超音波診断造影画像 - Google Patents
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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
- G01S15/8995—Combining images from different aspect angles, e.g. spatial compounding
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- A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
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- A61B8/463—Displaying means of special interest characterised by displaying multiple images or images and diagnostic data on one display
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- 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
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- 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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- 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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Abstract
【解決手段】異なる変調特性を有するビームは、異なる視線方向で送信される。整列されたビームは、パルス反転によって高調波造影信号成分を分離するよう、非線形信号分離装置によって結合される。異なる視線方向からの高調波造影信号は、空間合成された高調波造影画像を作るよう、空間合成処理装置によって結合される。示される実施例において、空間合成された高調波造影画像は、組織画像をオーバーレイする。例えばマルチライン取得のような異なった変調及びビーム操作技術が、また、造影剤画像の空間合成に関して開示される。
【選択図】図7
Description
Claims (7)
- 造影剤を用いる超音波画像化方法であって、
画像フィールドにおける各点に、第1の視線方向で前記画像フィールドにおける当該点に向けられている第1の変調技術によって変調された変調送信ビームにより、高周波を当てるステップと、
前記画像フィールドにおける各点に、第2の視線方向で前記画像フィールドにおける当該点に向けられている異なった変調技術によって変調された変調送信ビームにより、高周波を当てるステップと、
結合された信号を形成するよう2つの前記ビームに応答して前記画像フィールドにおける各点から受け取られるエコーを結合するステップであって、スペックルが空間結合によって低減され、高調波信号成分が単一の結合ステップの結果として非線形分離によって分離されるステップと
を有する方法。 - 前記高周波を当てるステップは、位相、振幅又は極性のうちの1つ又はそれ以上において異なった変調を受けた送信信号を用いて前記関心領域に高周波を当てるステップを更に有する、請求項1記載の方法。
- 空間的に合成された組織画像を生成するよう、異なった視線方向からの基本周波数信号を結合するステップと、
前記造影剤の空間的に合成された画像によりオーバーレイされた前記空間的に合成された組織画像の画像を生成するステップと
を更に有する、請求項2記載の方法。 - 組織画像を生成するステップと、
前記造影剤の空間的に合成された画像によりオーバーレイされた前記組織画像の画像を生成するステップと
を更に有する、請求項2記載の方法。 - 前記高周波を当てるステップは、2又はそれ以上の視線方向において夫々のビーム方向に沿って異なった送信特性によって複数回送信するステップを更に有する、請求項1記載の方法。
- 前記高周波を当てるステップは、2又はそれ以上の視線方向において夫々のビーム方向に沿って異なった送信特性によって複数回送信し、夫々の送信イベントに応答して、複数の、空間的に異なった受信ビーム方向に沿って受信するステップを更に有する、請求項5記載の方法。
- 前記高周波を当てるステップは、2又はそれ以上のビーム方向で、異なった送信特性の空間的に交互配置されたビームを送信するステップを更に有し、
前記結合するステップは、前記交互配置された送信ビームの中心に走査線を挿入するステップを更に有する、請求項1記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US52978103P | 2003-12-16 | 2003-12-16 | |
US60/529,781 | 2003-12-16 |
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JP2006544643A Division JP2007513727A (ja) | 2003-12-16 | 2004-12-07 | 空間合成による超音波診断造影画像 |
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JP2011087965A true JP2011087965A (ja) | 2011-05-06 |
JP4995975B2 JP4995975B2 (ja) | 2012-08-08 |
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JP2006544643A Pending JP2007513727A (ja) | 2003-12-16 | 2004-12-07 | 空間合成による超音波診断造影画像 |
JP2011000062A Active JP4995975B2 (ja) | 2003-12-16 | 2011-01-04 | 空間合成による超音波診断造影画像 |
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JP2006544643A Pending JP2007513727A (ja) | 2003-12-16 | 2004-12-07 | 空間合成による超音波診断造影画像 |
Country Status (3)
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EP (1) | EP1697765B1 (ja) |
JP (2) | JP2007513727A (ja) |
WO (1) | WO2005059591A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014145766A (ja) * | 2013-01-25 | 2014-08-14 | General Electric Co <Ge> | 超音波ホログラフィ撮像システム及び方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070010747A1 (en) * | 2005-05-26 | 2007-01-11 | Sabourin Thomas J | Methods and systems for acquiring ultrasound image data |
WO2007133881A2 (en) * | 2006-05-12 | 2007-11-22 | Koninklijke Philips Electronics, N.V. | Incoherent retrospective dynamic transmit focusing |
DE102006057211B3 (de) * | 2006-12-01 | 2008-03-27 | Kompetenzzentrum Medizintechnik Ruhr (Kmr) E.V. | Verfahren und Vorrichtung zur kontrastmittelgestützten Perfusionsmessung |
WO2009072022A1 (en) * | 2007-12-03 | 2009-06-11 | Koninklijke Philips Electronics, N.V. | Ultrasonic contrast imaging with microbubble oscillation enhancement |
JP5325502B2 (ja) * | 2008-08-26 | 2013-10-23 | 日立アロカメディカル株式会社 | 超音波画像形成装置および超音波画像形成方法 |
US9255914B2 (en) | 2009-08-13 | 2016-02-09 | Kabushiki Kaisha Toshiba | Ultrasonic diagnosis apparatus and program |
US20120232392A1 (en) * | 2011-03-10 | 2012-09-13 | Fujifilm Corporation | Ultrasound diagnostic apparatus |
JP5272084B2 (ja) * | 2012-01-11 | 2013-08-28 | 日立アロカメディカル株式会社 | 超音波診断装置 |
CN104427943B (zh) * | 2012-07-05 | 2016-11-09 | 株式会社日立制作所 | 超声波诊断装置以及超声波图像取得方法 |
WO2016120745A1 (en) * | 2015-01-29 | 2016-08-04 | Koninklijke Philips N.V. | Broadband blended fundamental and harmonic frequency ultrasonic diagnostic imaging |
WO2020249651A1 (en) * | 2019-06-11 | 2020-12-17 | Koninklijke Philips N.V. | Methods and systems for speckle reduction |
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2004
- 2004-12-07 WO PCT/IB2004/052698 patent/WO2005059591A1/en not_active Application Discontinuation
- 2004-12-07 EP EP04801491A patent/EP1697765B1/en active Active
- 2004-12-07 JP JP2006544643A patent/JP2007513727A/ja active Pending
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2011
- 2011-01-04 JP JP2011000062A patent/JP4995975B2/ja active Active
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JPH08229032A (ja) * | 1994-11-23 | 1996-09-10 | Advanced Technol Lab Inc | 超音波によるコントラスト剤検出方法及び該検出の可能な超音波診断装置 |
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Cited By (2)
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JP2014145766A (ja) * | 2013-01-25 | 2014-08-14 | General Electric Co <Ge> | 超音波ホログラフィ撮像システム及び方法 |
US10775743B2 (en) | 2013-01-25 | 2020-09-15 | General Electric Company | Ultrasonic holography imaging system and method |
Also Published As
Publication number | Publication date |
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WO2005059591A1 (en) | 2005-06-30 |
JP2007513727A (ja) | 2007-05-31 |
EP1697765A1 (en) | 2006-09-06 |
JP4995975B2 (ja) | 2012-08-08 |
EP1697765B1 (en) | 2012-11-21 |
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