WO2009004963A1 - 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 - Google Patents

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 Download PDF

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Publication number
WO2009004963A1
WO2009004963A1 PCT/JP2008/061544 JP2008061544W WO2009004963A1 WO 2009004963 A1 WO2009004963 A1 WO 2009004963A1 JP 2008061544 W JP2008061544 W JP 2008061544W WO 2009004963 A1 WO2009004963 A1 WO 2009004963A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic resonance
resonance imaging
examinee
sequence
picking
Prior art date
Application number
PCT/JP2008/061544
Other languages
English (en)
French (fr)
Inventor
Takayuki Abe
Hiroyuki Takeuchi
Tetsuhiko Takahashi
Original Assignee
Hitachi Medical Corporation
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 Hitachi Medical Corporation filed Critical Hitachi Medical Corporation
Priority to US12/663,939 priority Critical patent/US8384380B2/en
Priority to JP2009521591A priority patent/JP5132681B2/ja
Publication of WO2009004963A1 publication Critical patent/WO2009004963A1/ja

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves  involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance 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
    • G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat 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
    • 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
    • G01R33/5607—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reducing the NMR signal of a particular spin species, e.g. of a chemical species for fat suppression, or of a moving spin species for black-blood imaging

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

　撮像効率の低下を伴わず、かつ、RFパルスの照射磁場不均一に影響されることなく、安定して均質な脂肪抑制画像を得るために、CHESSパルスを印加して被検体の所望の成分からの信号を抑制する第一のシーケンス部と、被検体からエコー信号を計測する第二のシーケンス部と、を有する撮像シーケンスの繰り返す際に、CHESSパルスのフリップ角を複数回変更する。マルチスライス撮像の場合には、少なくとも2つのスライス撮像でCHESSパルスのフリップ角を変更する。
PCT/JP2008/061544 2007-07-02 2008-06-25 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 WO2009004963A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/663,939 US8384380B2 (en) 2007-07-02 2008-06-25 Magnetic resonance imaging apparatus and magnetic resonance imaging method
JP2009521591A JP5132681B2 (ja) 2007-07-02 2008-06-25 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

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-173620 2007-07-02
JP2007173620 2007-07-02

Publications (1)

Publication Number Publication Date
WO2009004963A1 true WO2009004963A1 (ja) 2009-01-08

Family

ID=40226010

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/061544 WO2009004963A1 (ja) 2007-07-02 2008-06-25 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

Country Status (3)

Country Link
US (1) US8384380B2 (ja)
JP (2) JP5132681B2 (ja)
WO (1) WO2009004963A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140354278A1 (en) * 2013-05-29 2014-12-04 Muralidhara Subbarao Three-dimensional magnetic density imaging and magnetic resonance imaging
US9823321B2 (en) * 2014-03-19 2017-11-21 Siemens Aktiengesellschaft Method and apparatus for acquisition of magnetic resonance data with fat saturation pulses radiated with respectively different flip angles
CN108603921B (zh) * 2016-02-09 2021-08-10 皇家飞利浦有限公司 稳态磁共振指纹

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04256730A (ja) * 1991-02-07 1992-09-11 Toshiba Corp Ｍｒ装置
JPH10314136A (ja) * 1997-05-15 1998-12-02 Toshiba Corp Ｍｒ信号の収集方法およびｍｒｉ装置
JP2003230549A (ja) * 2002-01-30 2003-08-19 Ge Medical Systems Global Technology Co Llc Ｍｒ画像のアーチファクト抑制のための個別仕様空間飽和パルスシーケンス

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3449782B2 (ja) * 1994-04-25 2003-09-22 株式会社日立メディコ 磁気共鳴イメージング装置
JP4082779B2 (ja) * 1998-04-17 2008-04-30 株式会社東芝 Ｍｒｉ装置
US6272369B1 (en) * 1999-01-22 2001-08-07 Ge Medical Systems Global Technology Company Llc Method for optimizing fat suppression using the chemical shift selective MR imaging technique
JP4473389B2 (ja) * 1999-12-20 2010-06-02 東芝医用システムエンジニアリング株式会社 磁気共鳴映像装置
JP5002099B2 (ja) * 2001-08-31 2012-08-15 株式会社東芝 磁気共鳴イメージング装置
JP4256730B2 (ja) 2003-07-17 2009-04-22 新日本製鐵株式会社 廃プラスチックの破砕方法及び搬送方法
JP4679968B2 (ja) * 2005-05-25 2011-05-11 株式会社日立メディコ 磁気共鳴イメージング装置
WO2008044501A1 (fr) * 2006-10-06 2008-04-17 Hitachi Medical Corporation Dispositif d'imagerie par résonance magnétique
JP5398149B2 (ja) * 2007-03-27 2014-01-29 株式会社東芝 磁気共鳴イメージング装置
JP5127291B2 (ja) * 2007-04-27 2013-01-23 株式会社日立メディコ 核磁気共鳴撮影装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04256730A (ja) * 1991-02-07 1992-09-11 Toshiba Corp Ｍｒ装置
JPH10314136A (ja) * 1997-05-15 1998-12-02 Toshiba Corp Ｍｒ信号の収集方法およびｍｒｉ装置
JP2003230549A (ja) * 2002-01-30 2003-08-19 Ge Medical Systems Global Technology Co Llc Ｍｒ画像のアーチファクト抑制のための個別仕様空間飽和パルスシーケンス

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
TAKAYUKI ABE ET AL.: "Bl Insensitive na Shibo Yokusei Koka o Mokuteki to shita Multiple Fatsat Pulse no Kaihatsu", JAPANESE SOCIETY OF RADIOLOGICAL TECHNOLOGY SOKAI GAKUJUTSU TAIKAI YOKOSHU, vol. 63rd, 20 February 2007 (2007-02-20), pages 208 *

Also Published As

Publication number Publication date
JP5602208B2 (ja) 2014-10-08
US20100156418A1 (en) 2010-06-24
JPWO2009004963A1 (ja) 2010-08-26
JP2013031709A (ja) 2013-02-14
US8384380B2 (en) 2013-02-26
JP5132681B2 (ja) 2013-01-30

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