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WO2009072619A1 - 磁気共鳴イメージング装置およ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および磁気共鳴イメージング方法 Download PDF

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Publication number
WO2009072619A1
WO2009072619A1 PCT/JP2008/072179 JP2008072179W WO2009072619A1 WO 2009072619 A1 WO2009072619 A1 WO 2009072619A1 JP 2008072179 W JP2008072179 W JP 2008072179W WO 2009072619 A1 WO2009072619 A1 WO 2009072619A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic resonance
resonance imaging
image
magnetic field
imaging device
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2008/072179
Other languages
English (en)
French (fr)
Inventor
Yoshimori Kassai
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.)
Toshiba Corp
Canon Medical Systems Corp
Original Assignee
Toshiba Corp
Toshiba Medical Systems Corp
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 Toshiba Corp, Toshiba Medical Systems Corp filed Critical Toshiba Corp
Priority to US12/389,700 priority Critical patent/US7843194B2/en
Publication of WO2009072619A1 publication Critical patent/WO2009072619A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • G01R33/56572—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of a gradient magnetic field, e.g. non-linearity of a gradient magnetic field
    • 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
    • G01R33/54—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
    • G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0
    • 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

Landscapes

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

Abstract

　磁気共鳴イメージング装置は、磁場を発生する発生手段と、前記磁場の中の被検体から放射される磁気共鳴信号に基づいて前記被検体に関する画像を再構成する再構成手段と、前記発生手段が前記磁場を発生する精度に基づいて前記画像に生じる画質の劣化度合いの分布を推定する推定手段と、前記劣化度合いの分布を前記画像上で表す表示用画像を生成する生成手段とを備える。
PCT/JP2008/072179 2007-12-06 2008-12-05 磁気共鳴イメージング装置および磁気共鳴イメージング方法 Ceased WO2009072619A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/389,700 US7843194B2 (en) 2007-12-06 2009-02-20 Magnetic resonance imaging apparatus and magnetic resonance imaging method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-316060 2007-12-06
JP2007316060 2007-12-06

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/389,700 Continuation-In-Part US7843194B2 (en) 2007-12-06 2009-02-20 Magnetic resonance imaging apparatus and magnetic resonance imaging method
US12/389,700 Continuation US7843194B2 (en) 2007-12-06 2009-02-20 Magnetic resonance imaging apparatus and magnetic resonance imaging method

Publications (1)

Publication Number Publication Date
WO2009072619A1 true WO2009072619A1 (ja) 2009-06-11

Family

ID=40717797

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/072179 Ceased WO2009072619A1 (ja) 2007-12-06 2008-12-05 磁気共鳴イメージング装置および磁気共鳴イメージング方法

Country Status (3)

Country Link
US (1) US7843194B2 (ja)
JP (1) JP5481061B2 (ja)
WO (1) WO2009072619A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009153971A (ja) * 2007-12-06 2009-07-16 Toshiba Corp 磁気共鳴イメージング装置および磁気共鳴イメージング方法
WO2012144359A1 (ja) * 2011-04-22 2012-10-26 株式会社 東芝 磁気共鳴イメージング装置、磁気共鳴イメージング方法及び医用システム
CN105425181A (zh) * 2014-09-16 2016-03-23 西门子公司 对光谱学测量进行规划的方法，磁共振设备和存储介质
JP2020022571A (ja) * 2018-08-06 2020-02-13 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009107492A1 (ja) * 2008-02-29 2009-09-03 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
DE102010039555A1 (de) * 2010-08-20 2012-02-23 Siemens Aktiengesellschaft Magnetresonanz-Markierungssystem, Magnetresonanzsystem, Verfahren zum Steuern eines Magnetresonanz-Markierungssystems und Verfahren zur Erzeugung von Magnetresonanzaufnahmen
US9474454B2 (en) * 2010-10-20 2016-10-25 Advanced Mri Technologies Llc MRI using faster multiplexed echo planar imaging (EPI) pulse sequences
JP6239054B2 (ja) * 2010-11-26 2017-11-29 東芝メディカルシステムズ株式会社 磁気共鳴診断装置
TW201225914A (en) * 2010-12-23 2012-07-01 Ind Tech Res Inst Intestinal peristalsis detecting device and system and method thereof
KR101340944B1 (ko) 2011-12-21 2013-12-13 한국과학기술원 방사형 좌표계에서의 자기공명 영상 방법
CN103181763B (zh) * 2011-12-29 2014-12-03 上海联影医疗科技有限公司 磁共振成像变形的自适应矫正方法
JP2013248081A (ja) * 2012-05-31 2013-12-12 Ge Medical Systems Global Technology Co Llc 磁気共鳴装置、画像データ補正方法、およびプログラム
US10628659B2 (en) 2017-11-27 2020-04-21 International Business Machines Corporation Intelligent tumor tracking system
JP7163061B2 (ja) * 2018-05-11 2022-10-31 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置およびマルチスライス撮像方法
EP3651161A1 (de) * 2018-11-07 2020-05-13 Siemens Healthcare GmbH Verfahren, system und medizinisches bildgebungssystem zur erstellung eines abbildes von einem untersuchungsobjekt sowie verwendung derartiger abbilder
JP7263219B2 (ja) * 2019-11-28 2023-04-24 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置
WO2023141324A1 (en) * 2022-01-21 2023-07-27 The Trustees Of Columbia University In The City Of New York Magnetic resonance apparatus, computer-accessible medium, system and method for use thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03118707U (ja) * 1990-03-19 1991-12-06
JPH0686770A (ja) * 1992-09-08 1994-03-29 Hitachi Medical Corp 磁気共鳴イメージング装置
JP2007325665A (ja) * 2006-06-06 2007-12-20 Toshiba Corp 磁気共鳴イメージング装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0246882Y2 (ja) * 1984-11-13 1990-12-11
JPH03118707A (ja) 1989-09-29 1991-05-21 Showa Electric Wire & Cable Co Ltd ケーブル接続部の形成方法
JPH05137707A (ja) 1991-11-18 1993-06-01 Toshiba Corp 磁気共鳴イメージング装置
JP3679892B2 (ja) * 1997-04-10 2005-08-03 株式会社東芝 磁気共鳴イメージング装置
JP3118707B2 (ja) 1998-05-07 2000-12-18 花王株式会社 中空容器
DE10056457C2 (de) * 2000-11-14 2002-11-07 Siemens Ag Verfahren zum Betrieb eines Magnetresonanzgeräts mit funktioneller Bildgebung
US6479999B1 (en) * 2001-06-05 2002-11-12 Koninklijke Philips Electronics N.V. Efficiently shielded MRI gradient coil with discretely or continuously variable field of view
JP5481061B2 (ja) * 2007-12-06 2014-04-23 株式会社東芝 磁気共鳴イメージング装置および磁気共鳴イメージング方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03118707U (ja) * 1990-03-19 1991-12-06
JPH0686770A (ja) * 1992-09-08 1994-03-29 Hitachi Medical Corp 磁気共鳴イメージング装置
JP2007325665A (ja) * 2006-06-06 2007-12-20 Toshiba Corp 磁気共鳴イメージング装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009153971A (ja) * 2007-12-06 2009-07-16 Toshiba Corp 磁気共鳴イメージング装置および磁気共鳴イメージング方法
US7843194B2 (en) 2007-12-06 2010-11-30 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus and magnetic resonance imaging method
WO2012144359A1 (ja) * 2011-04-22 2012-10-26 株式会社 東芝 磁気共鳴イメージング装置、磁気共鳴イメージング方法及び医用システム
JP2012232111A (ja) * 2011-04-22 2012-11-29 Toshiba Corp 磁気共鳴イメージング装置及び医用システム
CN102843965A (zh) * 2011-04-22 2012-12-26 株式会社东芝 磁共振成像装置、磁共振成像方法及医用系统
CN102843965B (zh) * 2011-04-22 2016-08-17 东芝医疗系统株式会社 磁共振成像装置、磁共振成像方法及医用系统
US9964617B2 (en) 2011-04-22 2018-05-08 Toshiba Medical Systems Corporation Magnetic resonance imaging apparatus, magnetic resonance imaging method and medical system
CN105425181A (zh) * 2014-09-16 2016-03-23 西门子公司 对光谱学测量进行规划的方法，磁共振设备和存储介质
JP2020022571A (ja) * 2018-08-06 2020-02-13 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置
JP7187206B2 (ja) 2018-08-06 2022-12-12 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置

Also Published As

Publication number Publication date
JP2009153971A (ja) 2009-07-16
JP5481061B2 (ja) 2014-04-23
US7843194B2 (en) 2010-11-30
US20090174405A1 (en) 2009-07-09

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