BR112014030096A2 - sistema ressonador tem especialmente para uso em um sistema de aquisição de imagem por rm, e sistema de aquisição de imagem por rm - Google Patents

sistema ressonador tem especialmente para uso em um sistema de aquisição de imagem por rm, e sistema de aquisição de imagem por rm

Info

Publication number
BR112014030096A2
BR112014030096A2 BR112014030096A BR112014030096A BR112014030096A2 BR 112014030096 A2 BR112014030096 A2 BR 112014030096A2 BR 112014030096 A BR112014030096 A BR 112014030096A BR 112014030096 A BR112014030096 A BR 112014030096A BR 112014030096 A2 BR112014030096 A2 BR 112014030096A2
Authority
BR
Brazil
Prior art keywords
image acquisition
resonator
acquisition system
resonators
signals
Prior art date
Application number
BR112014030096A
Other languages
English (en)
Inventor
Uhlemann Falk
Lips Oliver
Schulz Volkmar
Original Assignee
Koninklijke 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 Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of BR112014030096A2 publication Critical patent/BR112014030096A2/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
    • G01R33/28—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
    • G01R33/345—Constructional details, e.g. resonators, specially adapted to MR of waveguide type
    • G01R33/3453—Transverse electromagnetic [TEM] coils
    • G01R33/3456—Stripline resonators
    • 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
    • G01R33/42—Screening
    • G01R33/422—Screening of the radio frequency 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
    • 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
    • G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
    • G01R33/481—MR combined with positron emission tomography [PET] or single photon emission computed tomography [SPECT]
    • 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
    • G01R33/345—Constructional details, e.g. resonators, specially adapted to MR of waveguide type
    • G01R33/3453—Transverse electromagnetic [TEM] coils
    • 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)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Theoretical Computer Science (AREA)
  • Epidemiology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

resumo sistema ressonador tem especialmente para uso em um sistema de aquisição de imagem por rm, e sistema de aquisição de imagem por rm um sistema ressonador tem é revelado compreendendo pelo menos dois ressonadores tem (21, 31; 22, 32), especialmente na forma de bobinas de volume tem, e especialmente para uso em um sistema ou aparelho de aquisição de imagem por rm para transmitir sinais de excitação rf e/ou para receber sinais de rm em/de um objeto de exame ou uma parte do mesmo, respectivamente, em que os ressonadores tem são dispostos e deslocados ao longo de um eixo longitudinal em comum e em que uma blindagem de rf intermediária (4) é posicionada em direção longitudinal entre os dois ressonadores tem para pelo menos substancialmente impedir que radiação eletromagnética emane de entre o primeiro ressonador tem e o segundo ressonador tem nos arredores. 1/1
BR112014030096A 2012-06-05 2013-05-14 sistema ressonador tem especialmente para uso em um sistema de aquisição de imagem por rm, e sistema de aquisição de imagem por rm BR112014030096A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261655552P 2012-06-05 2012-06-05
EP12170785.5A EP2672286A1 (en) 2012-06-05 2012-06-05 TEM resonator system especially for use in an MRI system
PCT/IB2013/053921 WO2013182926A1 (en) 2012-06-05 2013-05-14 Tem resonator system especially for use in an mri system

Publications (1)

Publication Number Publication Date
BR112014030096A2 true BR112014030096A2 (pt) 2017-06-27

Family

ID=46197129

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014030096A BR112014030096A2 (pt) 2012-06-05 2013-05-14 sistema ressonador tem especialmente para uso em um sistema de aquisição de imagem por rm, e sistema de aquisição de imagem por rm

Country Status (7)

Country Link
US (1) US10241163B2 (pt)
EP (2) EP2672286A1 (pt)
JP (1) JP6255012B2 (pt)
CN (1) CN104350390B (pt)
BR (1) BR112014030096A2 (pt)
RU (1) RU2014154065A (pt)
WO (1) WO2013182926A1 (pt)

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DE102014202716B4 (de) * 2014-02-14 2018-11-29 Siemens Healthcare Gmbh Verbesserung des lokalen SAR-Verhaltens von MRT-Sendespulen durch Verwendung orthogonaler Schleifenantennen
KR101860228B1 (ko) 2016-11-15 2018-05-23 울산대학교 산학협력단 자기공명영상 시스템에서의 송수신 rf 공진기
KR101851642B1 (ko) 2016-11-16 2018-04-25 한국과학기술연구원 뇌파를 이용한 능동 다감각 사용자 선호도 평가 장치 및 방법
US11402450B2 (en) 2016-12-22 2022-08-02 Koninklijke Philips N.V. RF coil device and RF shield device for different MRI modes
US11134877B2 (en) * 2017-08-09 2021-10-05 Genetesis, Inc. Biomagnetic detection

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DE19732783C1 (de) * 1997-07-30 1999-03-04 Bruker Medizintech HF-Spulensystem für eine MR-Meßeinrichtung
US8132219B2 (en) * 2002-06-21 2012-03-06 Tivo Inc. Intelligent peer-to-peer system and method for collaborative suggestions and propagation of media
US7215120B2 (en) * 2002-05-17 2007-05-08 Mr Instruments, Inc. Cavity resonator for MR systems
WO2005050239A1 (en) * 2003-11-18 2005-06-02 Koninklijke Philips Electronics, N.V. Rf coil system for super high field (shf) mri
CN100578250C (zh) * 2003-11-18 2010-01-06 皇家飞利浦电子股份有限公司 用于mri的混合tem/鸟笼型线圈
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DE102005015070B4 (de) 2005-04-01 2017-02-02 Siemens Healthcare Gmbh Kombiniertes Positronen-Emissions-Tomographie-und Magnetresonanz-Tomographie-Gerät
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US8049504B2 (en) * 2006-04-24 2011-11-01 Koninklijke Philips Electronics N.V. Simple decoupling of a multi-element RF coil, enabling also detuning and matching functionality
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US20100003623A1 (en) * 2008-07-03 2010-01-07 United Microelectronics Corp. Method of patterning multiple photosensitive layers
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JP2011056164A (ja) * 2009-09-14 2011-03-24 Natl Inst Of Radiological Sciences Ｍｒ装置用ｒｆコイル並びにその設計方法及び駆動方法
US20120169341A1 (en) * 2010-12-29 2012-07-05 General Electric Company Integrated gamma ray detector ring and rf body coil
JP6033320B2 (ja) * 2011-10-18 2016-11-30 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 阻止状態と透過状態との間で切換可能な無線周波数シールドを備えたｍｒｉコイルアセンブリ

Also Published As

Publication number Publication date
JP6255012B2 (ja) 2017-12-27
JP2015518764A (ja) 2015-07-06
CN104350390A (zh) 2015-02-11
EP2856194A1 (en) 2015-04-08
US10241163B2 (en) 2019-03-26
US20150130466A1 (en) 2015-05-14
RU2014154065A (ru) 2016-08-10
EP2672286A1 (en) 2013-12-11
WO2013182926A1 (en) 2013-12-12
EP2856194B1 (en) 2021-09-01
CN104350390B (zh) 2017-08-25

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]