KR101586998B1 - 의료용 초음파 이미징에서의 전단파 정보의 해석 - Google Patents
의료용 초음파 이미징에서의 전단파 정보의 해석 Download PDFInfo
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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
- A61B8/485—Diagnostic techniques involving measuring strain or elastic properties
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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
- A61B8/145—Echo-tomography characterised by scanning multiple planes
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/54—Control of the diagnostic device
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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
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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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- 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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
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Abstract
Description
도 1은 의료용 초음파 이미징에 있어서 전단파 정보를 해석하기 위한 방법의 일 실시예의 흐름도이다.
도 2는 예시적인 송신 및 변위 검출 시퀀스(sequence)의 그래프(graph) 설명도이다.
도 3a 내지 도 3c는 상이한 송신 시퀀스들을 도시하고, 도 3d는 도 3a 내지 도 3c의 상이한 송신 시퀀스들의 온도 효과들을 도시하는 예시적인 그래프이다.
도 4는 축방향, 횡방향, 및 시간 변위 샘플링(sampling)의 일례를 도시하는 그래프이다.
도 5는 범위와 지연 관계들을 도시하는 예시적인 차트(chart)이다; 그리고
도 6은 의료용 초음파 이미징에 있어서 전단파 정보를 해석하기 위한 시스템의 일 실시예이다.
Claims (20)
- 의료용 초음파 이미징(medical ultrasound imagin)에서 전단파 정보를 해석하기 위한 시스템으로서,
수신된 음향 신호들의 함수로서 공간 위치들을 나타내는 데이터(data)를 출력하도록 동작가능한 수신 빔포머(receive beamformer);
프로세서 ― 상기 프로세서는, 상기 출력된 데이터의 세트(set)들 간의 유사성의 레벨(level)에 기초하여 전단파에 기인한 조직 변위들을 추정하고, 상기 공간 위치들 중 상이한 공간 위치들로부터 상기 프로세서에 의해 추정된 적어도 한 쌍의 조직 변위들의 상관관계 계수들을 계산하며, 상기 상관관계 계수들에 기초하여 상기 전단파의 이동 시간을 해석하고, 그리고 상기 이동 시간의 함수로서 이미지를 생성하도록 구성됨 ―; 및
상기 이미지를 디스플레이(display)하도록 동작가능한 디스플레이
를 포함하는,
의료용 초음파 이미징에서 전단파 정보를 해석하기 위한 시스템. - 제 1 항에 있어서,
상기 프로세서는 상기 공간 위치들 중 상이한 공간 위치들에 대해 동시에 해석하도록 구성되는,
의료용 초음파 이미징에서 전단파 정보를 해석하기 위한 시스템. - 제 2 항에 있어서,
상기 프로세서는, 상기 공간 위치들 중 상이한 공간 위치들로부터의 데이터를 이용하는 함수로부터 결정된 출력 세트를 이용하여 상기 공간 위치들 중 상이한 공간 위치들에 대해 해석하도록 구성되고,
상기 출력 세트의 각각의 값은 상기 공간 위치들 중 상이한 공간 위치들에 대한 조직 변위들의 함수인,
의료용 초음파 이미징에서 전단파 정보를 해석하기 위한 시스템. - 제 1 항에 있어서,
상기 프로세서는 적어도 세 쌍의 조직 변위들에 대한 상관관계 계수들을 계산하도록 구성되고,
제1 쌍은 상이한 위치들에서의 송신들에 의해 야기되는 동일한 위치에서의 조직 내의 변위들이고, 제2 쌍은 동일한 위치에서의 송신들에 의해 야기되는 상이한 위치들에서의 조직 내의 변위들이고, 그리고 제3 쌍은 다른 상이한 위치들에서의 송신들에 의해 야기되는 상이한 위치들에서의 조직 내의 변위들인,
의료용 초음파 이미징에서 전단파 정보를 해석하기 위한 시스템. - 제 1 항에 있어서,
상기 프로세서는 상기 이동 시간으로부터 전단 속도를 계산하도록 구성되고, 상기 이미지는 상기 전단 속도를 나타내도록 생성되는,
의료용 초음파 이미징에서 전단파 정보를 해석하기 위한 시스템. - 제 1 항에 있어서,
상기 프로세서는, 시간에 따른 조직 이동의 크기를 추적함으로써 상기 조직 변위들을 추정하도록 구성되는,
의료용 초음파 이미징에서 전단파 정보를 해석하기 위한 시스템. - 제 1 항에 있어서,
상기 프로세서는, 초음파 송신들에 의해 야기되는 상기 조직 변위들을 추정하도록 구성되는,
의료용 초음파 이미징에서 전단파 정보를 해석하기 위한 시스템. - 제 1 항에 있어서,
상기 프로세서는, 적어도 한 쌍의 전단파 변위 시간 프로파일(profile)들에 대해 상관관계 계수들을 계산하도록 구성되는,
의료용 초음파 이미징에서 전단파 정보를 해석하기 위한 시스템.
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/898,957 | 2010-10-06 | ||
| US12/898,957 US8961418B2 (en) | 2010-10-06 | 2010-10-06 | Solving for shear wave information in medical ultrasound imaging |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150018521A Division KR101868381B1 (ko) | 2010-10-06 | 2015-02-06 | 의료용 초음파 이미징에서의 전단파 정보의 해석 |
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| Publication Number | Publication Date |
|---|---|
| KR20120035901A KR20120035901A (ko) | 2012-04-16 |
| KR101586998B1 true KR101586998B1 (ko) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020110101827A Active KR101586998B1 (ko) | 2010-10-06 | 2011-10-06 | 의료용 초음파 이미징에서의 전단파 정보의 해석 |
| KR1020150018521A Active KR101868381B1 (ko) | 2010-10-06 | 2015-02-06 | 의료용 초음파 이미징에서의 전단파 정보의 해석 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020150018521A Active KR101868381B1 (ko) | 2010-10-06 | 2015-02-06 | 의료용 초음파 이미징에서의 전단파 정보의 해석 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8961418B2 (ko) |
| JP (2) | JP5773833B2 (ko) |
| KR (2) | KR101586998B1 (ko) |
| DE (1) | DE102011114943B4 (ko) |
| FR (1) | FR2965934B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20180087174A (ko) * | 2017-01-23 | 2018-08-01 | 지멘스 메디컬 솔루션즈 유에스에이, 인크. | 코히어런스를 사용하는 전단 속력 이미징 |
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| JP2003010183A (ja) * | 2001-07-02 | 2003-01-14 | Matsushita Electric Ind Co Ltd | 超音波診断装置 |
| JP4260523B2 (ja) * | 2002-04-25 | 2009-04-30 | 親良 炭 | 変位計測装置、歪計測装置、弾性率・粘弾性率計測装置、及び、治療装置 |
| FR2844058B1 (fr) | 2002-09-02 | 2004-11-12 | Centre Nat Rech Scient | Procede et dispositif d'imagerie utilisant des ondes de cisaillement |
| US7744535B2 (en) * | 2004-07-30 | 2010-06-29 | Wisconsin Alumni Research Foundation | Method and apparatus for acoustoelastic extraction of strain and material properties |
| FR2899336B1 (fr) * | 2006-03-29 | 2008-07-04 | Super Sonic Imagine | Procede et dispositif pour l'imagerie d'un milieu viscoelastique |
| US8545407B2 (en) * | 2007-05-16 | 2013-10-01 | Super Sonic Imagine | Method and device for measuring a mean value of visco-elasticity of a region of interest |
| US20100191113A1 (en) | 2009-01-28 | 2010-07-29 | General Electric Company | Systems and methods for ultrasound imaging with reduced thermal dose |
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| US20070106157A1 (en) * | 2005-09-30 | 2007-05-10 | University Of Washington | Non-invasive temperature estimation technique for hifu therapy monitoring using backscattered ultrasound |
| US20100016718A1 (en) | 2008-07-16 | 2010-01-21 | Siemens Medical Solutions Usa, Inc. | Shear Wave Imaging |
| US20100138163A1 (en) | 2008-10-28 | 2010-06-03 | Caterina Gallippi | Methods, systems, and computer readable media for monitored application of mechanical force to samples using acoustic energy and mechanical parameter value extraction using mechanical response models |
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| KR20180087174A (ko) * | 2017-01-23 | 2018-08-01 | 지멘스 메디컬 솔루션즈 유에스에이, 인크. | 코히어런스를 사용하는 전단 속력 이미징 |
| US10646202B2 (en) | 2017-01-23 | 2020-05-12 | Siemens Medical Solutions Usa, Inc. | Sheer speed imaging using coherence |
| KR102187153B1 (ko) * | 2017-01-23 | 2020-12-04 | 지멘스 메디컬 솔루션즈 유에스에이, 인크. | 코히어런스를 사용하는 전단 속력 이미징 |
Also Published As
| Publication number | Publication date |
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| KR20120035901A (ko) | 2012-04-16 |
| DE102011114943A1 (de) | 2012-04-12 |
| JP5773833B2 (ja) | 2015-09-02 |
| KR20150035834A (ko) | 2015-04-07 |
| JP2015154949A (ja) | 2015-08-27 |
| FR2965934A1 (fr) | 2012-04-13 |
| JP2012081269A (ja) | 2012-04-26 |
| JP6053860B2 (ja) | 2016-12-27 |
| CN102551801A (zh) | 2012-07-11 |
| KR101868381B1 (ko) | 2018-06-18 |
| DE102011114943B4 (de) | 2023-04-20 |
| US8961418B2 (en) | 2015-02-24 |
| FR2965934B1 (fr) | 2021-10-29 |
| US20120089019A1 (en) | 2012-04-12 |
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