JP4416221B2 - 磁気共鳴画像診断装置 - Google Patents

磁気共鳴画像診断装置 Download PDF

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Publication number
JP4416221B2
JP4416221B2 JP27528699A JP27528699A JP4416221B2 JP 4416221 B2 JP4416221 B2 JP 4416221B2 JP 27528699 A JP27528699 A JP 27528699A JP 27528699 A JP27528699 A JP 27528699A JP 4416221 B2 JP4416221 B2 JP 4416221B2
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Japan
Prior art keywords
magnetic field
roi
image
gradient magnetic
magnetic resonance
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Expired - Fee Related
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JP27528699A
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English (en)
Japanese (ja)
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JP2001095773A5 (https=
JP2001095773A (ja
Inventor
博道 清水
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Hitachi Healthcare Manufacturing Ltd
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Hitachi Medical Corp
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Priority to JP27528699A priority Critical patent/JP4416221B2/ja
Priority to PCT/JP2000/006711 priority patent/WO2001022879A1/ja
Publication of JP2001095773A publication Critical patent/JP2001095773A/ja
Publication of JP2001095773A5 publication Critical patent/JP2001095773A5/ja
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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
    • G01R33/483—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0033—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room
    • A61B5/0037—Performing a preliminary scan, e.g. a prescan for identifying a region of interest
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7253—Details of waveform analysis characterised by using transforms
    • A61B5/7257—Details of waveform analysis characterised by using transforms using Fourier transforms

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP27528699A 1999-09-28 1999-09-28 磁気共鳴画像診断装置 Expired - Fee Related JP4416221B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP27528699A JP4416221B2 (ja) 1999-09-28 1999-09-28 磁気共鳴画像診断装置
PCT/JP2000/006711 WO2001022879A1 (en) 1999-09-28 2000-09-28 Magnetic resonance image diagnostic apparatus and method therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27528699A JP4416221B2 (ja) 1999-09-28 1999-09-28 磁気共鳴画像診断装置

Publications (3)

Publication Number Publication Date
JP2001095773A JP2001095773A (ja) 2001-04-10
JP2001095773A5 JP2001095773A5 (https=) 2006-10-19
JP4416221B2 true JP4416221B2 (ja) 2010-02-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP27528699A Expired - Fee Related JP4416221B2 (ja) 1999-09-28 1999-09-28 磁気共鳴画像診断装置

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JP (1) JP4416221B2 (https=)
WO (1) WO2001022879A1 (https=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1790286B1 (en) 2004-09-06 2012-12-26 Hitachi Medical Corporation Magnetic resonance imaging apparatus and method
JP4718817B2 (ja) * 2004-09-27 2011-07-06 株式会社東芝 磁気共鳴イメージング装置
US7307419B2 (en) * 2004-12-20 2007-12-11 General Electric Company Method and system for spatial-spectral excitation by parallel RF transmission
WO2008132686A1 (en) * 2007-04-27 2008-11-06 Philips Intellectual Property & Standards Gmbh Quantification for mr parameters such as t1 or t2 in a sub-region of a subject
JP4995650B2 (ja) * 2007-06-22 2012-08-08 株式会社日立メディコ 磁気共鳴イメージング装置
DE102008021736B3 (de) 2008-04-30 2009-12-10 Bruker Biospin Mri Gmbh Verfahren zur Bestimmung der räumlichen Verteilung von Magnetresonanzsignalen beim Einsatz von lokalen ortskodierenden Magnetfeldern
US8547101B2 (en) 2008-10-17 2013-10-01 Hitachi Medical Corporation Magnetic resonance imaging device
JP5730214B2 (ja) 2009-11-12 2015-06-03 株式会社日立メディコ 磁気共鳴イメージング装置及び２次元励起調整方法
DE102010038777B4 (de) * 2010-08-02 2012-12-13 Siemens Aktiengesellschaft Erstellung von MR-Bildern eines vorbestimmten Volumenabschnitts innerhalb eines Untersuchungsobjekts bei kontinuierlicher Tischverschiebung
DE102011004432A1 (de) * 2011-02-20 2012-08-23 Forschungszentrum Jülich GmbH Magnetresonanzverfahren und Kernspintomograph zur Durchführung des Magnetresonanzverfahrens
WO2012129430A2 (en) 2011-03-22 2012-09-27 The Johns Hopkins University High dynamic range rf power monitor
EP2688471B1 (en) * 2011-03-22 2023-06-21 The Johns Hopkins University System and method of performing magnetic resonance spectroscopic imaging
WO2014045936A1 (ja) * 2012-09-20 2014-03-27 株式会社 日立メディコ 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
US10120049B2 (en) 2015-05-18 2018-11-06 The Johns Hopkins University System and method of obtaining spatially-encoded NMR parameters from arbitrarily-shaped compartments and linear algebraic modeling
EP3995848A1 (en) * 2020-11-04 2022-05-11 Koninklijke Philips N.V. Realtime design of radio-frequency pulses and gradient pulses in magnetic resonanc imaging

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4812760A (en) * 1987-07-27 1989-03-14 General Electric Company Multi-dimensional selective NMR excitation with a single RF pulse
US5192909A (en) * 1991-01-07 1993-03-09 General Electric Company Spectroscopic localization using pinwheel nmr excitation pulses
JP3197590B2 (ja) * 1991-12-10 2001-08-13 株式会社東芝 磁気共鳴診断装置
DE19543079A1 (de) * 1995-11-18 1997-05-22 Philips Patentverwaltung Verfahren zum Bestimmen der räumlichen und/oder spektralen Verteilung der Kernmagnetisierung

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Publication number Publication date
WO2001022879A1 (en) 2001-04-05
JP2001095773A (ja) 2001-04-10

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