JP4331451B2 - 磁気共鳴イメージング装置 - Google Patents

磁気共鳴イメージング装置 Download PDF

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Publication number
JP4331451B2
JP4331451B2 JP2002256574A JP2002256574A JP4331451B2 JP 4331451 B2 JP4331451 B2 JP 4331451B2 JP 2002256574 A JP2002256574 A JP 2002256574A JP 2002256574 A JP2002256574 A JP 2002256574A JP 4331451 B2 JP4331451 B2 JP 4331451B2
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JP
Japan
Prior art keywords
magnetic field
signal
space
subject
pulse
Prior art date
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Expired - Fee Related
Application number
JP2002256574A
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English (en)
Japanese (ja)
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JP2004089515A (ja
JP2004089515A5 (enExample
Inventor
由美子 谷井
哲彦 高橋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Healthcare Manufacturing Ltd
Original Assignee
Hitachi Medical Corp
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Publication date
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Priority to JP2002256574A priority Critical patent/JP4331451B2/ja
Priority to PCT/JP2003/011061 priority patent/WO2004021881A1/ja
Publication of JP2004089515A publication Critical patent/JP2004089515A/ja
Publication of JP2004089515A5 publication Critical patent/JP2004089515A5/ja
Application granted granted Critical
Publication of JP4331451B2 publication Critical patent/JP4331451B2/ja
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Expired - Fee Related legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/54Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561Image 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
    • G01R33/5613Generating steady state signals, e.g. low flip angle sequences [FLASH]

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2002256574A 2002-09-02 2002-09-02 磁気共鳴イメージング装置 Expired - Fee Related JP4331451B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002256574A JP4331451B2 (ja) 2002-09-02 2002-09-02 磁気共鳴イメージング装置
PCT/JP2003/011061 WO2004021881A1 (ja) 2002-09-02 2003-08-29 磁気共鳴イメージング装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002256574A JP4331451B2 (ja) 2002-09-02 2002-09-02 磁気共鳴イメージング装置

Publications (3)

Publication Number Publication Date
JP2004089515A JP2004089515A (ja) 2004-03-25
JP2004089515A5 JP2004089515A5 (enExample) 2005-10-06
JP4331451B2 true JP4331451B2 (ja) 2009-09-16

Family

ID=31972955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002256574A Expired - Fee Related JP4331451B2 (ja) 2002-09-02 2002-09-02 磁気共鳴イメージング装置

Country Status (2)

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JP (1) JP4331451B2 (enExample)
WO (1) WO2004021881A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4597857B2 (ja) * 2005-12-26 2010-12-15 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Rfパルス印加方法およびmri装置
WO2009081785A1 (ja) * 2007-12-25 2009-07-02 Hitachi Medical Corporation 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
JP6045793B2 (ja) 2012-01-13 2016-12-14 東芝メディカルシステムズ株式会社 磁気共鳴撮像装置
CN103389481B (zh) * 2012-05-11 2015-09-02 上海联影医疗科技有限公司 磁共振频率相位双编码采样方法及其图像重建方法
EP3685178A4 (en) * 2017-09-19 2021-05-26 University of Cincinnati SYSTEMS AND METHODS FOR DETECTION OF SMALL PHYSIOLOGICAL OR PATHOLOGICAL CHANGES USING HIGH-RESOLUTION MAGNETIC RESONANCE IMAGING

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07171127A (ja) * 1993-12-20 1995-07-11 Hitachi Medical Corp 磁気共鳴イメ−ジング装置
DE4427497C2 (de) * 1994-08-03 1996-06-20 Siemens Ag Pulssequenz für ein Kernspintomographiegerät
JP4225648B2 (ja) * 1999-09-08 2009-02-18 株式会社東芝 Mri装置
JP2003319917A (ja) * 2002-04-30 2003-11-11 Toshiba Corp 磁気共鳴イメージング装置

Also Published As

Publication number Publication date
WO2004021881A1 (ja) 2004-03-18
JP2004089515A (ja) 2004-03-25

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