KR102115627B1 - Mri를 위한 펄스 시퀀스 방법 - Google Patents

Mri를 위한 펄스 시퀀스 방법 Download PDF

Info

Publication number
KR102115627B1
KR102115627B1 KR1020147034093A KR20147034093A KR102115627B1 KR 102115627 B1 KR102115627 B1 KR 102115627B1 KR 1020147034093 A KR1020147034093 A KR 1020147034093A KR 20147034093 A KR20147034093 A KR 20147034093A KR 102115627 B1 KR102115627 B1 KR 102115627B1
Authority
KR
South Korea
Prior art keywords
time
diffusion
isotropic
vector
dependent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
KR1020147034093A
Other languages
English (en)
Korean (ko)
Other versions
KR20150033602A (ko
Inventor
다니엘 토프고드
사모 라직
마르쿠스 닐손
Original Assignee
씨알 디벨로프먼트 에이비
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 씨알 디벨로프먼트 에이비 filed Critical 씨알 디벨로프먼트 에이비
Publication of KR20150033602A publication Critical patent/KR20150033602A/ko
Application granted granted Critical
Publication of KR102115627B1 publication Critical patent/KR102115627B1/ko
Assigned to 도글레이크 에이비 reassignment 도글레이크 에이비 권리의 전부이전등록 Assignors: 씨알 디벨로프먼트 에이비
Assigned to 랜덤 워크 이미징 에이비 reassignment 랜덤 워크 이미징 에이비 권리의 전부이전등록 Assignors: 도글레이크 에이비
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56341—Diffusion imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Vascular Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
KR1020147034093A 2012-05-04 2013-05-03 Mri를 위한 펄스 시퀀스 방법 Active KR102115627B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261642594P 2012-05-04 2012-05-04
US61/642,594 2012-05-04
SE1250452-8 2012-05-04
SE1250452A SE537065C2 (sv) 2012-05-04 2012-05-04 Pulssekvensförfarande för MRI
PCT/SE2013/050492 WO2013165312A1 (en) 2012-05-04 2013-05-03 Pulse sequence method for mri

Publications (2)

Publication Number Publication Date
KR20150033602A KR20150033602A (ko) 2015-04-01
KR102115627B1 true KR102115627B1 (ko) 2020-05-26

Family

ID=49514596

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020147034093A Active KR102115627B1 (ko) 2012-05-04 2013-05-03 Mri를 위한 펄스 시퀀스 방법

Country Status (11)

Country Link
US (2) US9791534B2 (https=)
EP (1) EP2847607B1 (https=)
JP (1) JP6280540B2 (https=)
KR (1) KR102115627B1 (https=)
CN (1) CN104471425B (https=)
AU (1) AU2013257305B2 (https=)
BR (1) BR112014027060B1 (https=)
CA (1) CA2872348C (https=)
IN (1) IN2014MN02265A (https=)
SE (1) SE537065C2 (https=)
WO (1) WO2013165312A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE537064C2 (sv) * 2012-05-04 2014-12-23 Cr Dev Ab Analys för kvantifiering av mikroskopisk anisotropisk diffusion
AU2015214638B2 (en) * 2014-02-10 2019-07-11 Random Walk Imaging Ab Method for quantifying isotropic diffusion and/or anisotropic diffusion in a sample
CN108431625B (zh) * 2015-12-22 2021-08-24 皇家飞利浦有限公司 具有对运动引起的扩散梯度不一致性的修正的dti
JP7218288B2 (ja) * 2016-11-09 2023-02-06 ランダム ウォーク イメージング アーベー サンプルに拡散強調磁気共鳴測定を実行する方法
EP3607339A4 (en) * 2017-04-06 2021-05-19 Oregon Health & Science University ACTIVE MRI
CN107219483B (zh) * 2017-04-22 2019-11-26 天津大学 一种基于扩散峰度成像的径向峰度各项异性定量方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003500137A (ja) 1999-05-21 2003-01-07 アメリカ合衆国 拡散テンソル磁気共鳴信号を解析するための方法および装置
JP2005525206A (ja) 2002-05-15 2005-08-25 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ ハイパーストリームラインを用いた繊維のレンダリングを含む拡散テンソル磁気共鳴画像化
JP2008136871A (ja) 2006-12-03 2008-06-19 Toshiba Medical Systems Corp 最適化された等方性拡散強調を伴うシングルショット磁気共鳴イメージングのための装置および方法
JP2010042245A (ja) 2008-07-17 2010-02-25 Toshiba Corp 磁気共鳴イメージング装置
JP2012066005A (ja) 2010-09-27 2012-04-05 Toshiba Corp 磁気共鳴イメージング装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997007731A2 (en) * 1995-08-18 1997-03-06 Brigham And Women's Hospital, Inc. Line scan diffusion imaging
US6288540B1 (en) * 1999-05-21 2001-09-11 University Of Rochester Optimized orthogonal gradient technique for fast quantitative diffusion MRI on a clinical scanner
US6724190B2 (en) 2002-05-15 2004-04-20 Koninklijke Philips Electronics N.V. Retrospective selection and various types of image alignment to improve DTI SNR
JP2004081657A (ja) * 2002-08-28 2004-03-18 Ge Medical Systems Global Technology Co Llc 繊維状画像抽出方法、画像処理装置および磁気共鳴撮像システム
US7894891B2 (en) * 2006-01-24 2011-02-22 Schlumberger Technology Corporation Diffusion-based magnetic resonance methods for characterizing bone structure
US8064982B2 (en) 2006-11-21 2011-11-22 Battelle Memorial Institute Methods for magnetic resonance analysis using magic angle technique
US20100298692A1 (en) * 2007-05-22 2010-11-25 Imaging Biometrics, Llc Method for detecting tumor cell invasion using short diffusion times
SE0702063L (sv) * 2007-05-31 2009-01-13 Colloidal Resource Ab Metod, system, datoravläsbart medium och användning för magnetisk resonanstomografi
EP2269083A4 (en) * 2008-04-14 2014-11-12 Yeda Res & Dev METHOD AND APPARATUS FOR CANALAR TUBE TRACKING IMAGING FOR DETECTION AND DIAGNOSIS OF BREAST CANCER AND PRODUCT
US9097778B2 (en) 2009-03-30 2015-08-04 Hitachi, Ltd. Magnetic resonance device with diffusion gradient phase variation positionally corrected
US8274283B2 (en) * 2009-04-27 2012-09-25 Siemens Aktiengesellschaft Method and apparatus for diffusion tensor magnetic resonance imaging
SE533126C2 (sv) * 2009-05-22 2010-06-29 Cr Dev Ab Metod och system för magnetisk resonanstomografi, samt användning därav.
SE537064C2 (sv) * 2012-05-04 2014-12-23 Cr Dev Ab Analys för kvantifiering av mikroskopisk anisotropisk diffusion

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003500137A (ja) 1999-05-21 2003-01-07 アメリカ合衆国 拡散テンソル磁気共鳴信号を解析するための方法および装置
JP2005525206A (ja) 2002-05-15 2005-08-25 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ ハイパーストリームラインを用いた繊維のレンダリングを含む拡散テンソル磁気共鳴画像化
JP2008136871A (ja) 2006-12-03 2008-06-19 Toshiba Medical Systems Corp 最適化された等方性拡散強調を伴うシングルショット磁気共鳴イメージングのための装置および方法
JP2010042245A (ja) 2008-07-17 2010-02-25 Toshiba Corp 磁気共鳴イメージング装置
JP2012066005A (ja) 2010-09-27 2012-04-05 Toshiba Corp 磁気共鳴イメージング装置

Also Published As

Publication number Publication date
EP2847607B1 (en) 2020-10-07
JP6280540B2 (ja) 2018-02-14
KR20150033602A (ko) 2015-04-01
JP2015518408A (ja) 2015-07-02
US20150115957A1 (en) 2015-04-30
US10295639B2 (en) 2019-05-21
CN104471425A (zh) 2015-03-25
AU2013257305B2 (en) 2017-06-15
SE537065C2 (sv) 2014-12-23
SE1250452A1 (sv) 2013-11-05
US9791534B2 (en) 2017-10-17
EP2847607A1 (en) 2015-03-18
IN2014MN02265A (https=) 2015-07-24
CA2872348C (en) 2019-12-24
WO2013165312A1 (en) 2013-11-07
EP2847607A4 (en) 2016-12-14
CN104471425B (zh) 2017-03-01
BR112014027060A2 (pt) 2017-06-27
AU2013257305A1 (en) 2014-11-27
US20180017648A1 (en) 2018-01-18
BR112014027060B1 (pt) 2022-03-15
CA2872348A1 (en) 2013-11-07

Similar Documents

Publication Publication Date Title
KR102105219B1 (ko) 미시적 확산 이방성을 정량화하기 위한 분석
US10295639B2 (en) Magnetic resonance imaging methods including diffusion encoding scheme with RF and gradient sequence configured to cause isotropic diffusion weighting of echo signal attenuation
Komlosh et al. Pore diameter mapping using double pulsed-field gradient MRI and its validation using a novel glass capillary array phantom
KR20160120304A (ko) 샘플 내의 등방성 확산 및/또는 이방성 확산을 정량화하기 위한 방법
JP2012527298A (ja) 磁気共鳴画像法とシステム、およびその使用
Ludwig et al. Apparent exchange rate imaging: On its applicability and the connection to the real exchange rate
Benjamini et al. Estimation of pore size distribution using concentric double pulsed-field gradient NMR
Netreba et al. Optimization of pulse sequence times for signal increasing in diffusion weighted magnetic resonance imaging

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20141203

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20180417

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20190718

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20200226

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20200520

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20200520

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20230920

Start annual number: 4

End annual number: 4