BR112013022100A2 - método de imagem de rm de pelo menos uma parte de um corpo, método de espectroscopia de rm de um objeto, dispositivo de rm para realizar o método e programa de computador a ser executado em um dispositivo de rm - Google Patents

método de imagem de rm de pelo menos uma parte de um corpo, método de espectroscopia de rm de um objeto, dispositivo de rm para realizar o método e programa de computador a ser executado em um dispositivo de rm

Info

Publication number
BR112013022100A2
BR112013022100A2 BR112013022100A BR112013022100A BR112013022100A2 BR 112013022100 A2 BR112013022100 A2 BR 112013022100A2 BR 112013022100 A BR112013022100 A BR 112013022100A BR 112013022100 A BR112013022100 A BR 112013022100A BR 112013022100 A2 BR112013022100 A2 BR 112013022100A2
Authority
BR
Brazil
Prior art keywords
computer program
spectroscopy
image
image method
spectroscopy method
Prior art date
Application number
BR112013022100A
Other languages
English (en)
Inventor
Jochen Keupp
Johan Samuel Van Den Brink
Paul Royston Harvey
Original Assignee
Koninkl Philips Nv
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 Koninkl Philips Nv filed Critical Koninkl Philips Nv
Publication of BR112013022100A2 publication Critical patent/BR112013022100A2/pt

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
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3614—RF power amplifiers
    • 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
    • G01R33/5605—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by transferring coherence or polarization from a spin species to another, e.g. creating magnetization transfer contrast [MTC], polarization transfer using nuclear Overhauser enhancement [NOE]
    • 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
    • G01R33/561—Image 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
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • G01R33/5612—Parallel RF transmission, i.e. RF pulse transmission using a plurality of independent transmission channels
    • 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
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34076—Birdcage coils

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
BR112013022100A 2011-03-03 2012-02-28 método de imagem de rm de pelo menos uma parte de um corpo, método de espectroscopia de rm de um objeto, dispositivo de rm para realizar o método e programa de computador a ser executado em um dispositivo de rm BR112013022100A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11156742 2011-03-03
PCT/IB2012/050929 WO2012117350A1 (en) 2011-03-03 2012-02-28 Magnetic resonance using quasi-continuous rf irradiation

Publications (1)

Publication Number Publication Date
BR112013022100A2 true BR112013022100A2 (pt) 2016-12-06

Family

ID=45833488

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013022100A BR112013022100A2 (pt) 2011-03-03 2012-02-28 método de imagem de rm de pelo menos uma parte de um corpo, método de espectroscopia de rm de um objeto, dispositivo de rm para realizar o método e programa de computador a ser executado em um dispositivo de rm

Country Status (6)

Country Link
US (1) US9547060B2 (pt)
EP (1) EP2681578B1 (pt)
CN (1) CN103443644B (pt)
BR (1) BR112013022100A2 (pt)
RU (1) RU2577254C2 (pt)
WO (1) WO2012117350A1 (pt)

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RU2578763C2 (ru) * 2011-01-06 2016-03-27 Конинклейке Филипс Электроникс Н.В. Магниторезонансная визуализация с многоканальной передачей
EP2515138A1 (en) * 2011-04-19 2012-10-24 Koninklijke Philips Electronics N.V. Motion triggered MR imaging using APT/CEST
CN102565733B (zh) * 2011-12-12 2014-07-16 中国科学院深圳先进技术研究院 磁共振多核阵列射频装置及磁共振信号接收方法
US9335393B2 (en) * 2012-09-13 2016-05-10 Siemens Medical Solutions Usa, Inc. MR parallel imaging system reducing imaging time
AU2013101110B4 (en) * 2012-12-21 2013-10-24 Tgoma Nz Limited Apparatus for indicating an activity of a person on a flexible mat of a trampoline
DE102013208475B4 (de) * 2013-05-08 2014-11-27 Siemens Aktiengesellschaft HF-Anregung mit zwei Resonanzfrequenzen zum Nachweis des CEST-Effekts mittels einer Magnetresonanzanlage
US10330752B2 (en) * 2015-03-06 2019-06-25 Hitachi, Ltd. Magnetic resonance imaging apparatus and method for setting RF shimming parameters
JP6843118B2 (ja) 2015-08-21 2021-03-17 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 磁気共鳴システムにおける核の励起のためのｒｆ信号の生成
WO2017108874A1 (en) * 2015-12-24 2017-06-29 Koninklijke Philips N.V. A device and method for driving a transmit coil in a magnetic resonance imaging system
US10718841B2 (en) 2016-01-14 2020-07-21 Beth Israel Deaconess Medical Center, Inc. System and method for improved homogeneous and inhomogeneous magnetization transfer magnetic resonance imaging
US10794971B2 (en) * 2017-03-27 2020-10-06 Waveguide Corporation Duty-cycle control for power-level adjustment in switch-mode power amplifiers
JP6867857B2 (ja) * 2017-04-24 2021-05-12 株式会社日立製作所 磁気共鳴撮像装置
US11366189B2 (en) * 2020-09-25 2022-06-21 Uih America, Inc. Systems and methods for magnetic resonance imaging
EP4016104A1 (en) 2020-12-16 2022-06-22 Siemens Healthcare GmbH Method and system for controlling a magnetic resonance imaging system using overlapping rf pulses
WO2023101796A1 (en) * 2021-12-01 2023-06-08 The Johns Hopkins University Quantification of fluid-tissue exchange using phase alternate labeling with null recovery mri

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SU1644009A1 (ru) * 1988-05-19 1991-04-23 Всесоюзный научно-исследовательский проектно-конструкторский и технологический институт кабельной промышленности ЯМР - томограф
EP0389868B1 (de) * 1989-03-29 1995-09-13 Siemens Aktiengesellschaft Kernspintomograph
RU2045225C1 (ru) * 1992-07-16 1995-10-10 Александр Евгеньевич Кангер Ямр-томограф для диагностики внутренних болезней
WO1998037438A1 (en) * 1997-02-25 1998-08-27 Advanced Imaging Research, Inc. Radio-frequency coil array for resonance analysis
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JP2003000567A (ja) 2001-06-25 2003-01-07 Toshiba Corp 磁気共鳴イメージング装置
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CN1870481B (zh) * 2006-04-20 2011-04-27 华东师范大学 F_tdm多通道接收方法
JP2009540949A (ja) * 2006-06-22 2009-11-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ スキャナボア壁に一体化された磁気共鳴受信コイルアレイ
DE102007013422B4 (de) 2007-03-20 2010-05-06 Siemens Ag Verfahren zur Steuerung eines Magnetresonanzsystems und Magnetresonanzsystem

Also Published As

Publication number Publication date
EP2681578A1 (en) 2014-01-08
EP2681578B1 (en) 2020-01-08
US20130342207A1 (en) 2013-12-26
RU2013144324A (ru) 2015-04-10
CN103443644A (zh) 2013-12-11
WO2012117350A1 (en) 2012-09-07
RU2577254C2 (ru) 2016-03-10
US9547060B2 (en) 2017-01-17
CN103443644B (zh) 2016-03-30

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO ARQUIVAMENTO PUBLICADO NA RPI 2503 DE 26/12/2018.