KR102115627B1 - Mri를 위한 펄스 시퀀스 방법 - Google Patents

Mri를 위한 펄스 시퀀스 방법 Download PDF

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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
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time
diffusion
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KR20150033602A (ko
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다니엘 토프고드
사모 라직
마르쿠스 닐손
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씨알 디벨로프먼트 에이비
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    • 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]

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  • 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
SE1250452-8 2012-05-04
US61/642,594 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

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

Families Citing this family (6)

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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
KR102292673B1 (ko) 2014-02-10 2021-08-23 씨알 디벨로프먼트 에이비 샘플 내의 등방성 확산 및/또는 이방성 확산을 정량화하기 위한 방법
WO2017108543A1 (en) * 2015-12-22 2017-06-29 Koninklijke Philips N.V. Dti with correction of motion-induced diffusion gradient inconsistency
EP3538909A4 (en) 2016-11-09 2020-07-15 CR Development AB METHOD FOR PERFORMING DIFFUSION-WEIGHTED MAGNETIC RESONANCE MEASURES ON A SAMPLE
RU2019134673A (ru) * 2017-04-06 2021-05-06 Орегон Хелс Энд Сайенс Юниверсити Мрт активности
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)

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Publication number Priority date Publication date Assignee Title
US5786692A (en) * 1995-08-18 1998-07-28 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
WO2008147923A1 (en) * 2007-05-22 2008-12-04 Imaging Biometrics Method for detecting tumor cell invasion using short diffusion times
SE531190C2 (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
WO2010116782A1 (ja) * 2009-03-30 2010-10-14 株式会社 日立製作所 磁気共鳴装置
US8274283B2 (en) * 2009-04-27 2012-09-25 Siemens Aktiengesellschaft Method and apparatus for diffusion tensor magnetic resonance imaging
SE0950363A1 (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

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

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