NL1032648A1 - Magnetische-resonantiebeeldvormingsapparatuur. - Google Patents

Magnetische-resonantiebeeldvormingsapparatuur.

Info

Publication number
NL1032648A1
NL1032648A1 NL1032648A NL1032648A NL1032648A1 NL 1032648 A1 NL1032648 A1 NL 1032648A1 NL 1032648 A NL1032648 A NL 1032648A NL 1032648 A NL1032648 A NL 1032648A NL 1032648 A1 NL1032648 A1 NL 1032648A1
Authority
NL
Netherlands
Prior art keywords
magnetic resonance
resonance imaging
imaging equipment
equipment
magnetic
Prior art date
Application number
NL1032648A
Other languages
English (en)
Other versions
NL1032648C (nl
Inventor
Naoyuki Takei
Tetsuji Tsukamoto
Original Assignee
Ge Med Sys Global Tech Co Llc
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 Ge Med Sys Global Tech Co Llc filed Critical Ge Med Sys Global Tech Co Llc
Publication of NL1032648A1 publication Critical patent/NL1032648A1/nl
Application granted granted Critical
Publication of NL1032648C publication Critical patent/NL1032648C/nl

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055Detecting, 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
    • 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
    • G01R33/567Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
    • G01R33/5676Gating or triggering based on an MR signal, e.g. involving one or more navigator echoes for motion monitoring and correction
    • 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
    • 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
    • G01R33/565Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56509Correction of image distortions, e.g. due to magnetic field inhomogeneities due to motion, displacement or flow, e.g. gradient moment nulling

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Pulmonology (AREA)
  • Physiology (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NL1032648A 2005-10-07 2006-10-09 Magnetische-resonantiebeeldvormingsapparatuur. NL1032648C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005295262 2005-10-07
JP2005295262A JP2007098026A (ja) 2005-10-07 2005-10-07 磁気共鳴イメージング装置

Publications (2)

Publication Number Publication Date
NL1032648A1 true NL1032648A1 (nl) 2007-04-11
NL1032648C NL1032648C (nl) 2010-04-06

Family

ID=37887246

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1032648A NL1032648C (nl) 2005-10-07 2006-10-09 Magnetische-resonantiebeeldvormingsapparatuur.

Country Status (6)

Country Link
US (1) US7432710B2 (nl)
JP (1) JP2007098026A (nl)
KR (1) KR20070038929A (nl)
CN (1) CN1943510B (nl)
DE (1) DE102006047492A1 (nl)
NL (1) NL1032648C (nl)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5497994B2 (ja) * 2007-05-07 2014-05-21 株式会社東芝 磁気共鳴映像装置
US8971992B2 (en) 2007-05-07 2015-03-03 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus and control method thereof
JP5177367B2 (ja) 2007-08-28 2013-04-03 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 磁気共鳴イメージング装置及びナビゲータデータ解析方法
JP5546735B2 (ja) * 2008-02-29 2014-07-09 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 Mri装置
JP2009254392A (ja) 2008-04-11 2009-11-05 Ge Medical Systems Global Technology Co Llc 磁気共鳴イメージング装置及び画像生成方法
JP5171373B2 (ja) 2008-04-24 2013-03-27 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 磁気共鳴イメージング装置及びrfパルス印加方法
JP2010075573A (ja) * 2008-09-29 2010-04-08 Ge Medical Systems Global Technology Co Llc 磁気共鳴イメージング装置
US8818487B2 (en) 2008-10-15 2014-08-26 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus and magnetic resonance imaging method
JP5305925B2 (ja) * 2009-01-05 2013-10-02 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 磁気共鳴イメージング装置
JP5373416B2 (ja) * 2009-01-30 2013-12-18 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 磁気共鳴イメージング装置およびプログラム
JP5551367B2 (ja) * 2009-02-05 2014-07-16 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 画像診断装置
US8355551B2 (en) * 2009-02-27 2013-01-15 General Electric Company Method and apparatus for reducing image artifacts
JP5591545B2 (ja) 2010-01-20 2014-09-17 株式会社東芝 磁気共鳴映像装置
CN101966081B (zh) * 2010-08-05 2012-02-01 华东师范大学 校正呼吸信息影响静息态功能磁共振脑成像的方法
US10067213B2 (en) 2010-12-22 2018-09-04 Koninklijke Philips N.V. Parallel MRI method using calibration scan, coil sensitivity maps and navigators for rigid motion compensation
DE102012206585B4 (de) 2012-04-20 2013-12-12 Siemens Aktiengesellschaft Verfahren zur schnellen ortsaufgelösten Bestimmung eines Magnetresonanz-Relaxationsparameters in einem Untersuchungsgebiet
EP2743718A1 (en) 2012-12-11 2014-06-18 Samsung Electronics Co., Ltd Respiratory-gated MRI
DE102013205830B4 (de) 2013-04-03 2024-05-29 Siemens Healthineers Ag Verfahren und Bilddatenerzeugungseinrichtung zur Erzeugung von Bilddaten eines sich bewegenden Objekts, Magnetresonanzanlage und Computerprogrammprodukt
JP6440980B2 (ja) * 2013-07-10 2018-12-19 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
JP6494986B2 (ja) * 2014-01-16 2019-04-03 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及び画像処理装置
CN106725508B (zh) * 2016-12-15 2021-09-28 上海联影医疗科技股份有限公司 生理运动数据采集方法、磁共振成像方法以及装置
DE102017201477A1 (de) * 2017-01-31 2018-08-02 Siemens Healthcare Gmbh Neuberechnung einer Gewichtungsmatrix bei Bewegung
CN107693041A (zh) * 2017-11-24 2018-02-16 上海联影医疗科技有限公司 医学扫描方法及系统
CN113100741B (zh) * 2020-01-13 2024-02-27 上海联影医疗科技股份有限公司 一种磁共振扫描方法、设备及存储介质
CN113466765A (zh) * 2020-03-31 2021-10-01 通用电气精准医疗有限责任公司 磁共振扫描方法及系统、计算机可读存储介质
CN111643082A (zh) * 2020-06-22 2020-09-11 苏州高新区人民医院 一种乳腺mri成像呼吸伪影抑制方法

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US4761613A (en) * 1987-08-12 1988-08-02 Picker International, Inc. Monitored echo gating for the reduction of motion artifacts
US4994744A (en) * 1989-10-27 1991-02-19 General Electric Company Method for combining acquired NMR data to suppress motion artifacts
US5251128A (en) * 1990-11-19 1993-10-05 General Electric Company Motion artifact reduction in projection imaging
JPH05154130A (ja) * 1991-12-06 1993-06-22 Hitachi Ltd 体動アーチファクト除去方法
US6073041A (en) * 1996-07-18 2000-06-06 Regents Of The University Of Minnesota Physiological corrections in functional magnetic resonance imaging
US5923770A (en) * 1996-09-30 1999-07-13 Siemens Corporate Research, Inc. 3D cardiac motion recovery system using tagged MR images
JPH10277010A (ja) 1997-04-10 1998-10-20 Toshiba Corp Mri装置
US6067465A (en) * 1997-11-26 2000-05-23 General Electric Company System and method for detecting and tracking reference position changes with linear phase shift in magnetic resonance imaging
US6201393B1 (en) * 1997-12-15 2001-03-13 General Electric Company Reducing image artifacts caused by patient motion during MR imaging
US6292684B1 (en) * 1999-12-14 2001-09-18 Ge Medical Systems Global Technology Company, Llc Respiratory displacement and velocity measurement using navigator MRI echo signals
JP4071430B2 (ja) 2000-09-26 2008-04-02 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 磁気共鳴撮影装置
AU2002307309A1 (en) * 2001-04-13 2002-10-28 University Of Virginia Patent Foundation Optimized high-speed magnetic resonance imaging method and system using hyperpolarized noble gases
US6718004B2 (en) * 2001-06-28 2004-04-06 General Electric Company Methods and apparatus for coronary-specific imaging reconstruction
US6426990B1 (en) * 2001-06-28 2002-07-30 General Electric Company Methods and apparatus for coronary-specific imaging reconstruction
US7012603B2 (en) * 2001-11-21 2006-03-14 Viatronix Incorporated Motion artifact detection and correction
JP3993799B2 (ja) * 2002-07-24 2007-10-17 株式会社日立メディコ 磁気共鳴イメージング装置
JP2005021488A (ja) * 2003-07-04 2005-01-27 Hitachi Medical Corp 磁気共鳴イメージング装置
US7012428B1 (en) * 2003-12-17 2006-03-14 General Electric Company Method and apparatus of reducing artifacts in phase-cycled steady-state free precession imaging

Also Published As

Publication number Publication date
KR20070038929A (ko) 2007-04-11
JP2007098026A (ja) 2007-04-19
CN1943510A (zh) 2007-04-11
US20070080690A1 (en) 2007-04-12
NL1032648C (nl) 2010-04-06
DE102006047492A1 (de) 2007-04-12
CN1943510B (zh) 2011-01-26
US7432710B2 (en) 2008-10-07

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RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 20091204

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Effective date: 20120501