CN101236240B - 磁共振断层造影成像中改进的三维层选择的多层激励方法 - Google Patents

磁共振断层造影成像中改进的三维层选择的多层激励方法 Download PDF

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CN101236240B
CN101236240B CN2008100088820A CN200810008882A CN101236240B CN 101236240 B CN101236240 B CN 101236240B CN 2008100088820 A CN2008100088820 A CN 2008100088820A CN 200810008882 A CN200810008882 A CN 200810008882A CN 101236240 B CN101236240 B CN 101236240B
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magnetic resonance
modulation function
wrinkles
slice
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Chinese (zh)
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CN101236240A (zh
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汉斯-彼得·福茨
斯蒂芬·坎南吉瑟
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Siemens Corp
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Siemens Corp
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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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56545—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by finite or discrete sampling, e.g. Gibbs ringing, truncation artefacts, phase aliasing artefacts
    • 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
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
    • G01R33/4835—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices of multiple slices
    • 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
    • G01R33/5659—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the RF magnetic field, e.g. spatial inhomogeneities of the RF magnetic field

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN2008100088820A 2007-01-30 2008-01-30 磁共振断层造影成像中改进的三维层选择的多层激励方法 Expired - Fee Related CN101236240B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007004620A DE102007004620B4 (de) 2007-01-30 2007-01-30 Verbessertes dreidimensionales schichtselektives Mehrschicht-Anregungsverfahren in der MRT-Bildgebung
DE102007004620.2 2007-01-30

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CN101236240A CN101236240A (zh) 2008-08-06
CN101236240B true CN101236240B (zh) 2013-09-11

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US (1) US7528601B2 (enExample)
JP (1) JP5305673B2 (enExample)
CN (1) CN101236240B (enExample)
DE (1) DE102007004620B4 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005018937B4 (de) * 2005-04-22 2007-11-22 Siemens Ag Verfahren und Gerät zur verbesserten sendeseitig beschleunigten PPA-basierten Volumen-selektiven Magnet-Resonanz-Bildgebung sowie Computersoftwareprodukt zur Implementierung des Verfahrens
US7656155B2 (en) * 2005-10-31 2010-02-02 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus and imaging method in the same
DE102008061455B4 (de) * 2008-12-10 2011-03-17 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Bestimmung einer vorbestimmten Signalamplitude bei MR-Messungen
DE102009014903B4 (de) * 2009-03-25 2012-01-12 Siemens Aktiengesellschaft Magnetresonanz-Projektionsangiographie mit kontinuierlicher Tischverschiebung
CN107209238B (zh) 2015-01-27 2021-01-29 皇家飞利浦有限公司 具有对边带伪迹的抑制的并行多切片mr成像
US10802101B2 (en) * 2018-05-31 2020-10-13 General Electric Company Method and systems for coil selection in magnetic resonance imaging to reduce phase wrap artifact
KR20220123319A (ko) 2019-03-25 2022-09-06 프로맥소 인크. 단면 mri 시스템에서 체적 취득을 위한 시스템들 및 방법들

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6801035B2 (en) * 2001-06-13 2004-10-05 Siemens Aktiengesellschaft Method for generating images by means of magnetic resonance
US6915152B2 (en) * 2001-04-19 2005-07-05 General Electric Company Method for MR imaging with an array of RF coils
CN1636144A (zh) * 2001-12-17 2005-07-06 皇家飞利浦电子股份有限公司 磁共振方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5109854A (en) * 1990-02-23 1992-05-05 Picker International, Inc. Roll-over aliasing suppression in undersampled images
JP3161750B2 (ja) * 1991-06-05 2001-04-25 株式会社日立製作所 磁気共鳴診断装置および画像データ処理方法
JP3440134B2 (ja) * 1994-06-14 2003-08-25 株式会社日立メディコ 磁気共鳴イメージング装置
US5910728A (en) * 1996-11-12 1999-06-08 Beth Israel Deaconess Medical Center Simultaneous acquisition of spatial harmonics (SMASH): ultra-fast imaging with radiofrequency coil arrays
JP3987223B2 (ja) * 1998-12-28 2007-10-03 株式会社日立メディコ 核磁気共鳴イメージング装置
JP4718714B2 (ja) * 2000-04-25 2011-07-06 株式会社東芝 磁気共鳴イメージング装置及び磁気共鳴イメージング方法
US6801034B2 (en) * 2001-03-30 2004-10-05 General Electric Company Method and apparatus of acquiring large FOV images without slab-boundary artifacts
JP4152381B2 (ja) * 2002-04-30 2008-09-17 株式会社日立メディコ 磁気共鳴イメージング装置
US7009396B2 (en) * 2002-09-12 2006-03-07 General Electric Company Method and system for extended volume imaging using MRI with parallel reception
US6919722B2 (en) * 2003-10-09 2005-07-19 Ge Medical Systems Global Technology Company, Llc Image quality improvement for SENSE with low signal regions
JP3680856B2 (ja) * 2004-05-21 2005-08-10 株式会社東芝 磁気共鳴映像装置
DE102004026616B4 (de) * 2004-06-01 2007-09-20 Siemens Ag Verfahren zum Messen eines Untersuchungsbereichs mit einem Magnetresonanzgerät
JP4679158B2 (ja) * 2004-10-08 2011-04-27 株式会社日立メディコ 磁気共鳴イメージング装置
DE102004052894B4 (de) * 2004-11-02 2007-03-01 Siemens Ag Optimiertes Verfahren zur Vermeidung von Einfaltungsartefakten in der Magnetresonanztomographie sowie Magnetresonanztomographiegerät und Computersoftwareprodukt
WO2006077936A1 (ja) * 2005-01-21 2006-07-27 Hitachi Medical Corporation 磁気共鳴イメージング方法及び装置
WO2006109550A1 (ja) * 2005-03-30 2006-10-19 Hitachi Medical Corporation 磁気共鳴イメージング装置及び方法
JP4610611B2 (ja) * 2005-04-28 2011-01-12 株式会社日立メディコ 磁気共鳴撮影装置
US7250762B2 (en) * 2005-07-07 2007-07-31 General Electric Company Method and system of MR imaging with reduced FSE cusp artifacts

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6915152B2 (en) * 2001-04-19 2005-07-05 General Electric Company Method for MR imaging with an array of RF coils
US6801035B2 (en) * 2001-06-13 2004-10-05 Siemens Aktiengesellschaft Method for generating images by means of magnetic resonance
CN1636144A (zh) * 2001-12-17 2005-07-06 皇家飞利浦电子股份有限公司 磁共振方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2000-189395A 2000.07.11

Also Published As

Publication number Publication date
US7528601B2 (en) 2009-05-05
US20080180099A1 (en) 2008-07-31
DE102007004620A1 (de) 2008-08-07
CN101236240A (zh) 2008-08-06
JP2008183406A (ja) 2008-08-14
JP5305673B2 (ja) 2013-10-02
DE102007004620B4 (de) 2010-02-04

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