SE537065C2 - Pulssekvensförfarande för MRI - Google Patents
Pulssekvensförfarande för MRI Download PDFInfo
- Publication number
- SE537065C2 SE537065C2 SE1250452A SE1250452A SE537065C2 SE 537065 C2 SE537065 C2 SE 537065C2 SE 1250452 A SE1250452 A SE 1250452A SE 1250452 A SE1250452 A SE 1250452A SE 537065 C2 SE537065 C2 SE 537065C2
- Authority
- SE
- Sweden
- Prior art keywords
- time
- diffusion
- isotropic
- vector
- orientation
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 title claims abstract description 7
- 238000009792 diffusion process Methods 0.000 claims abstract description 133
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- 230000036962 time dependent Effects 0.000 claims abstract description 18
- 238000003384 imaging method Methods 0.000 claims abstract description 5
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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
- G01R33/565—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
- G01R33/561—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
- G01R33/563—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)
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1250452A SE537065C2 (sv) | 2012-05-04 | 2012-05-04 | Pulssekvensförfarande för MRI |
| EP13785251.3A EP2847607B1 (en) | 2012-05-04 | 2013-05-03 | Mri pulse sequence for isotropic diffusion weighting |
| PCT/SE2013/050492 WO2013165312A1 (en) | 2012-05-04 | 2013-05-03 | Pulse sequence method for mri |
| JP2015510231A JP6280540B2 (ja) | 2012-05-04 | 2013-05-03 | Ｍｒｉのパルス・シーケンス方法 |
| US14/398,325 US9791534B2 (en) | 2012-05-04 | 2013-05-03 | Pulse sequence method for MRI |
| BR112014027060-0A BR112014027060B1 (pt) | 2012-05-04 | 2013-05-03 | Método para ressonância magnética (mr) e/ou imageamento de mr |
| KR1020147034093A KR102115627B1 (ko) | 2012-05-04 | 2013-05-03 | Mri를 위한 펄스 시퀀스 방법 |
| IN2265MUN2014 IN2014MN02265A (enExample) | 2012-05-04 | 2013-05-03 | |
| CN201380023560.2A CN104471425B (zh) | 2012-05-04 | 2013-05-03 | 用于mri的脉冲序列方法 |
| CA2872348A CA2872348C (en) | 2012-05-04 | 2013-05-03 | Pulse sequence method for mri |
| AU2013257305A AU2013257305B2 (en) | 2012-05-04 | 2013-05-03 | Pulse sequence method for MRI |
| US15/718,613 US10295639B2 (en) | 2012-05-04 | 2017-09-28 | Magnetic resonance imaging methods including diffusion encoding scheme with RF and gradient sequence configured to cause isotropic diffusion weighting of echo signal attenuation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1250452A SE537065C2 (sv) | 2012-05-04 | 2012-05-04 | Pulssekvensförfarande för MRI |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE1250452A1 SE1250452A1 (sv) | 2013-11-05 |
| SE537065C2 true SE537065C2 (sv) | 2014-12-23 |
Family
ID=49514596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1250452A SE537065C2 (sv) | 2012-05-04 | 2012-05-04 | Pulssekvensförfarande för MRI |
Country Status (11)
| Country | Link |
|---|---|
| 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)
| 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 |
| EP3105606B1 (en) * | 2014-02-10 | 2022-02-09 | CR Development AB | Method for quantifying isotropic diffusion and/or anisotropic diffusion in a sample |
| EP3394628A1 (en) * | 2015-12-22 | 2018-10-31 | Koninklijke Philips N.V. | Dti with correction of motion-induced diffusion gradient inconsistency |
| EP3538910B1 (en) | 2016-11-09 | 2023-06-07 | Random Walk Imaging AB | A method of performing diffusion weighted magnetic resonance measurements on a sample |
| 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 |
Family Cites Families (18)
| 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 |
| EP1204880A1 (en) | 1999-05-21 | 2002-05-15 | National Institutes of Health, as represented by the Secretary, Department of Health and Human Services of the Government | Determination of an empirical statistical distribution of the diffusion tensor in mri |
| US6288540B1 (en) * | 1999-05-21 | 2001-09-11 | University Of Rochester | Optimized orthogonal gradient technique for fast quantitative diffusion MRI on a clinical scanner |
| US6642716B1 (en) | 2002-05-15 | 2003-11-04 | Koninklijke Philips Electronics, N.V. | Diffusion tensor magnetic resonance imaging including fiber rendering using hyperstreamlines |
| 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 |
| US7355407B1 (en) | 2006-12-03 | 2008-04-08 | Toshiba Medical Systems Corp. | Methods and apparatus for single-shot magnetic resonance imaging with optimized isotropic diffusion weighting |
| US20100298692A1 (en) | 2007-05-22 | 2010-11-25 | Imaging Biometrics, Llc | 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 |
| JP2011516237A (ja) * | 2008-04-14 | 2011-05-26 | イエダ リサーチ アンド デベロップメント カンパニー リミテッド | 乳癌の検出及び診断のための乳管造影方法及び器具、ならびに装置 |
| JP5591493B2 (ja) | 2008-07-17 | 2014-09-17 | 株式会社東芝 | 磁気共鳴イメージング装置 |
| 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 |
| SE533126C2 (sv) * | 2009-05-22 | 2010-06-29 | Cr Dev Ab | Metod och system för magnetisk resonanstomografi, samt användning därav. |
| JP2012066005A (ja) | 2010-09-27 | 2012-04-05 | Toshiba Corp | 磁気共鳴イメージング装置 |
| SE537064C2 (sv) * | 2012-05-04 | 2014-12-23 | Cr Dev Ab | Analys för kvantifiering av mikroskopisk anisotropisk diffusion |
-
2012
- 2012-05-04 SE SE1250452A patent/SE537065C2/sv unknown
-
2013
- 2013-05-03 EP EP13785251.3A patent/EP2847607B1/en active Active
- 2013-05-03 CA CA2872348A patent/CA2872348C/en not_active Expired - Fee Related
- 2013-05-03 WO PCT/SE2013/050492 patent/WO2013165312A1/en not_active Ceased
- 2013-05-03 CN CN201380023560.2A patent/CN104471425B/zh active Active
- 2013-05-03 IN IN2265MUN2014 patent/IN2014MN02265A/en unknown
- 2013-05-03 US US14/398,325 patent/US9791534B2/en active Active
- 2013-05-03 KR KR1020147034093A patent/KR102115627B1/ko active Active
- 2013-05-03 JP JP2015510231A patent/JP6280540B2/ja active Active
- 2013-05-03 AU AU2013257305A patent/AU2013257305B2/en active Active
- 2013-05-03 BR BR112014027060-0A patent/BR112014027060B1/pt not_active IP Right Cessation
-
2017
- 2017-09-28 US US15/718,613 patent/US10295639B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR20150033602A (ko) | 2015-04-01 |
| SE1250452A1 (sv) | 2013-11-05 |
| CN104471425B (zh) | 2017-03-01 |
| EP2847607A4 (en) | 2016-12-14 |
| CN104471425A (zh) | 2015-03-25 |
| US20150115957A1 (en) | 2015-04-30 |
| BR112014027060B1 (pt) | 2022-03-15 |
| AU2013257305A1 (en) | 2014-11-27 |
| JP2015518408A (ja) | 2015-07-02 |
| CA2872348A1 (en) | 2013-11-07 |
| AU2013257305B2 (en) | 2017-06-15 |
| KR102115627B1 (ko) | 2020-05-26 |
| CA2872348C (en) | 2019-12-24 |
| WO2013165312A1 (en) | 2013-11-07 |
| BR112014027060A2 (pt) | 2017-06-27 |
| JP6280540B2 (ja) | 2018-02-14 |
| EP2847607A1 (en) | 2015-03-18 |
| IN2014MN02265A (enExample) | 2015-07-24 |
| EP2847607B1 (en) | 2020-10-07 |
| US20180017648A1 (en) | 2018-01-18 |
| US10295639B2 (en) | 2019-05-21 |
| US9791534B2 (en) | 2017-10-17 |
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