BR112017012208B1 - Método de imageamento por ressonância magnética de um objeto posicionado em um volume de exame de um dispositivo de ressonância magnética e dispositivo de ressonância magnética - Google Patents

Método de imageamento por ressonância magnética de um objeto posicionado em um volume de exame de um dispositivo de ressonância magnética e dispositivo de ressonância magnética Download PDF

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Publication number
BR112017012208B1
BR112017012208B1 BR112017012208-1A BR112017012208A BR112017012208B1 BR 112017012208 B1 BR112017012208 B1 BR 112017012208B1 BR 112017012208 A BR112017012208 A BR 112017012208A BR 112017012208 B1 BR112017012208 B1 BR 112017012208B1
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BR
Brazil
Prior art keywords
magnetic field
field gradient
captured
along
vector
Prior art date
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BR112017012208-1A
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English (en)
Portuguese (pt)
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BR112017012208A2 (pt
Inventor
Miha Fuderer
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Koninklijke Philips N.V
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Application filed by Koninklijke Philips N.V filed Critical Koninklijke Philips N.V
Publication of BR112017012208A2 publication Critical patent/BR112017012208A2/pt
Publication of BR112017012208B1 publication Critical patent/BR112017012208B1/pt

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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
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G01R33/4824—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a non-Cartesian trajectory
    • G01R33/4826—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a non-Cartesian trajectory in three dimensions
    • 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
    • G01R33/4816—NMR imaging of samples with ultrashort relaxation times such as solid samples, e.g. MRI using ultrashort TE [UTE], single point imaging, constant time 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
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56341—Diffusion imaging

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  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
BR112017012208-1A 2014-12-12 2015-11-30 Método de imageamento por ressonância magnética de um objeto posicionado em um volume de exame de um dispositivo de ressonância magnética e dispositivo de ressonância magnética BR112017012208B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14197679.5 2014-12-12
EP14197679 2014-12-12
PCT/EP2015/077994 WO2016091623A1 (en) 2014-12-12 2015-11-30 Quiet mr imaging

Publications (2)

Publication Number Publication Date
BR112017012208A2 BR112017012208A2 (pt) 2018-01-30
BR112017012208B1 true BR112017012208B1 (pt) 2022-07-19

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Family Applications (1)

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BR112017012208-1A BR112017012208B1 (pt) 2014-12-12 2015-11-30 Método de imageamento por ressonância magnética de um objeto posicionado em um volume de exame de um dispositivo de ressonância magnética e dispositivo de ressonância magnética

Country Status (7)

Country Link
US (1) US10379184B2 (enExample)
EP (1) EP3230758B1 (enExample)
JP (1) JP6666348B2 (enExample)
CN (1) CN107110942B (enExample)
BR (1) BR112017012208B1 (enExample)
RU (1) RU2702911C2 (enExample)
WO (1) WO2016091623A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3579009A1 (en) * 2018-06-05 2019-12-11 Koninklijke Philips N.V. Zero echo time mr imaging with water-fat separation

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583044A (en) * 1984-01-09 1986-04-15 University Of Utah NMR imaging method
GB8914467D0 (en) * 1989-06-23 1989-08-09 Nat Res Dev Nuclear magnetic resonance imaging methods
SU1732246A1 (ru) * 1990-06-07 1992-05-07 Ленинградский Институт Точной Механики И Оптики Устройство дл создани магнитного пол
GB9200606D0 (en) * 1992-01-13 1992-03-11 British Tech Group Method of and apparatus for obtaining spatial nmr information
US5493224A (en) * 1992-03-03 1996-02-20 Hitachi, Ltd. Ultra high-speed magnetic resonance imaging method and apparatus
DE4432747C2 (de) * 1993-09-17 1997-03-27 Hitachi Medical Corp Vorrichtung und Verfahren zur Geräuschdämpfung in einem Kernspintomographen
US5537039A (en) * 1995-10-10 1996-07-16 General Electric Company Virtual frequency encoding of acquired NMR image data
JP3525007B2 (ja) * 1996-03-28 2004-05-10 株式会社日立メディコ 磁気共鳴イメージング装置
JP5305785B2 (ja) * 2008-08-25 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および磁気共鳴イメージング装置の制御方法
US20120082354A1 (en) * 2009-06-24 2012-04-05 Koninklijke Philips Electronics N.V. Establishing a contour of a structure based on image information
DE102010041446B4 (de) 2010-09-27 2013-05-23 Siemens Aktiengesellschaft Erstellung eines MR-Bilddatensatzes bei sehr kurzen Echozeiten TE
WO2012140536A1 (en) * 2011-04-11 2012-10-18 Koninklijke Philips Electronics N.V. Mr imaging with b1mapping
EP2615470A1 (en) * 2012-01-12 2013-07-17 Koninklijke Philips Electronics N.V. MR imaging with B1 mapping
EP2626718A1 (en) * 2012-02-09 2013-08-14 Koninklijke Philips Electronics N.V. MRI with motion correction using navigators acquired using a Dixon technique
DE102012205626B4 (de) * 2012-04-05 2013-11-28 Friedrich-Alexander-Universität Erlangen-Nürnberg Funktionale MR-Bildgebung eines vorbestimmten Volumenabschnitts des Gehirns eines lebenden Untersuchungsobjekts
US20150115956A1 (en) 2012-04-30 2015-04-30 Jerome L. Ackerman System and method for quiet magnetic resonance imaging
DE102013201616B3 (de) * 2013-01-31 2014-07-17 Siemens Aktiengesellschaft TSE-basierte, gegen lokale B0-Feldvariationen unempfindliche MR-Mulitschicht-Anregung
WO2015076082A1 (ja) * 2013-11-22 2015-05-28 株式会社 日立メディコ 磁気共鳴イメージング装置
US9594144B2 (en) * 2014-04-23 2017-03-14 General Electric Company Low-noise magnetic resonance imaging using low harmonic pulse sequences
US20160066874A1 (en) * 2014-09-10 2016-03-10 The General Hospital Corporation Attenuation correction of positron emission tomography data using magnetic resonance images depicting bone density variations

Also Published As

Publication number Publication date
BR112017012208A2 (pt) 2018-01-30
CN107110942A (zh) 2017-08-29
EP3230758B1 (en) 2021-01-06
RU2702911C2 (ru) 2019-10-14
JP6666348B2 (ja) 2020-03-13
JP2017536934A (ja) 2017-12-14
RU2017124584A3 (enExample) 2019-04-23
US10379184B2 (en) 2019-08-13
WO2016091623A1 (en) 2016-06-16
RU2017124584A (ru) 2019-01-15
US20180329008A1 (en) 2018-11-15
CN107110942B (zh) 2020-06-16
EP3230758A1 (en) 2017-10-18

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