[go: up one dir, main page]

NL2001547A1 - Systeem en werkwijze voor meerkanaals MR-overdracht. - Google Patents

Systeem en werkwijze voor meerkanaals MR-overdracht.

Info

Publication number
NL2001547A1
NL2001547A1 NL2001547A NL2001547A NL2001547A1 NL 2001547 A1 NL2001547 A1 NL 2001547A1 NL 2001547 A NL2001547 A NL 2001547A NL 2001547 A NL2001547 A NL 2001547A NL 2001547 A1 NL2001547 A1 NL 2001547A1
Authority
NL
Netherlands
Prior art keywords
channel
transmission
Prior art date
Application number
NL2001547A
Other languages
English (en)
Other versions
NL2001547C2 (nl
Inventor
Eddy Benjamin Boskamp
Graeme Mickinnon
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of NL2001547A1 publication Critical patent/NL2001547A1/nl
Application granted granted Critical
Publication of NL2001547C2 publication Critical patent/NL2001547C2/nl

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
    • 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
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver 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
    • G01R33/28—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
    • G01R33/28—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
    • G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
    • G01R33/365—Decoupling of multiple RF coils wherein the multiple RF coils have the same function in MR, e.g. decoupling of a receive coil from another receive coil in a receive coil array, decoupling of a transmission coil from another transmission coil in a transmission coil array
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NL2001547A 2007-05-04 2008-05-06 Systeem en werkwijze voor meerkanaals MR-overdracht. NL2001547C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/744,687 US7525313B2 (en) 2007-05-04 2007-05-04 System and method for multi-channel MR transmission
US74468707 2007-05-04

Publications (2)

Publication Number Publication Date
NL2001547A1 true NL2001547A1 (nl) 2008-11-06
NL2001547C2 NL2001547C2 (nl) 2010-02-05

Family

ID=39939112

Family Applications (1)

Application Number Title Priority Date Filing Date
NL2001547A NL2001547C2 (nl) 2007-05-04 2008-05-06 Systeem en werkwijze voor meerkanaals MR-overdracht.

Country Status (3)

Country Link
US (1) US7525313B2 (nl)
JP (1) JP5571293B2 (nl)
NL (1) NL2001547C2 (nl)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007013422B4 (de) * 2007-03-20 2010-05-06 Siemens Ag Verfahren zur Steuerung eines Magnetresonanzsystems und Magnetresonanzsystem
WO2008135883A1 (en) * 2007-05-04 2008-11-13 Koninklijke Philips Electronics N.V. Method and rf transmitter arrangement for generating rf fields
US7753165B2 (en) * 2007-12-21 2010-07-13 Robert Bosch Gmbh Device and method for active noise cancellation in exhaust gas channel of a combustion engine
US8030920B2 (en) * 2009-06-03 2011-10-04 General Electric Company Method and system for modifying pulse sequences
JPWO2010150716A1 (ja) * 2009-06-24 2012-12-10 株式会社日立メディコ Ｒｆコイル及び磁気共鳴イメージング装置
US8258789B2 (en) * 2009-12-21 2012-09-04 General Electric Company Apparatus and method for decoupling MR coils
CN103154761B (zh) 2010-08-20 2015-11-25 皇家飞利浦电子股份有限公司 在并行发射mri中的虚拟线圈仿真
US8406853B2 (en) 2010-11-12 2013-03-26 Imris Inc. Multi transmit/receive head array coil with removable panels
US8704520B2 (en) 2010-12-08 2014-04-22 General Electric Company Radio frequency coil and apparatus
RU2578763C2 (ru) * 2011-01-06 2016-03-27 Конинклейке Филипс Электроникс Н.В. Магниторезонансная визуализация с многоканальной передачей
JP5677226B2 (ja) * 2011-07-28 2015-02-25 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 磁気共鳴装置およびプログラム
EP2739984B1 (en) * 2011-08-01 2019-05-01 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. An rf coil assembly for mri with a plurality of coil elements distributed over at least two coil rows
CN104011556B (zh) 2011-10-10 2017-03-08 皇家飞利浦有限公司 用于磁共振的横向电磁（tem）射频线圈
US9594144B2 (en) 2014-04-23 2017-03-14 General Electric Company Low-noise magnetic resonance imaging using low harmonic pulse sequences
DE102014219779B4 (de) 2014-09-30 2016-06-02 Siemens Aktiengesellschaft Betrieb eines bildgebenden medizinischen Untersuchungsgeräts mit einer Mehrzahl an Teilsystemen
DE102014219782A1 (de) * 2014-09-30 2016-03-31 Siemens Aktiengesellschaft Betrieb eines bildgebenden medizinischen Untersuchungsgeräts mit einer Mehrzahl an Teilsystemen
DE102015202861B4 (de) * 2015-02-17 2016-11-10 Siemens Healthcare Gmbh MR-Gerät mit Verteilernetzwerk
CN107430175B (zh) * 2015-03-27 2020-04-21 皇家飞利浦有限公司 具有多个独立的发射接收信道的磁共振体积线圈及其操作方法
KR101676192B1 (ko) * 2015-10-02 2016-11-15 (의료)길의료재단 자기공명영상장치용 다채널 rf 코일 어레이
US10705167B2 (en) * 2016-04-04 2020-07-07 Koninklijke Philips N.V. RF transmit system with selectable drive ports for magnetic resonance imaging apparatuses
KR101819893B1 (ko) 2016-10-31 2018-01-19 가천대학교 산학협력단 자기공명 영상용 rf 코일
CN108627783B (zh) * 2017-03-23 2022-01-14 通用电气公司 射频线圈阵列及磁共振成像发射阵列
JP7039190B2 (ja) * 2017-06-19 2022-03-22 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

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8802608A (nl) * 1988-10-24 1990-05-16 Philips Nv Magnetisch resonantie apparaat met verbeterde rf spoel.
US6040697A (en) * 1997-11-26 2000-03-21 Medrad, Inc. Magnetic resonance imaging receiver/transmitter coils
US6798206B2 (en) * 1998-11-25 2004-09-28 Medrad, Inc. Neurovascular coil system and interface and system therefor and method of operating same in a multitude of modes
DE19904537C1 (de) * 1999-02-04 2000-09-07 Siemens Ag Verfahren zum Betrieb eines diagnostischen Magnetresonanzgerätes
US6633161B1 (en) * 1999-05-21 2003-10-14 The General Hospital Corporation RF coil for imaging system
US6995561B2 (en) * 2002-04-01 2006-02-07 Ge Medical Systems Global Technology Company, Llc Multiple channel, microstrip transceiver volume array for magnetic resonance imaging
CN1646933A (zh) * 2002-04-19 2005-07-27 明尼苏达大学董事会 射频梯度线圈和均磁线圈
US6597173B1 (en) * 2002-07-10 2003-07-22 Ge Medical Systems Global Technology Co., Llc Method and apparatus for reconstructing zoom MR images
US6608480B1 (en) * 2002-09-30 2003-08-19 Ge Medical Systems Global Technology Company, Llc RF coil for homogeneous quadrature transmit and multiple channel receive
WO2004061469A1 (en) * 2003-01-07 2004-07-22 Philips Intellectual Property & Standards Gmbh High-frequency system for an mr apparatus with multiple transmit channels
CA2539821C (en) * 2003-10-03 2015-04-14 Regents Of The University Of Minnesota Parallel transceiver for nuclear magnetic resonance system
DE102004045691B4 (de) * 2003-10-27 2009-10-01 Siemens Ag Verfahren zum Erzeugen eines homogenen hochfrequenten Magnetfelds in einem räumlichen Untersuchungsvolumen einer Magnetresonanzanlage
EP1794608B1 (en) * 2004-09-24 2013-05-01 Koninklijke Philips Electronics N.V. Adjustment of rf-field homogeneity in magnetic resonance imaging
US7449886B2 (en) * 2004-11-18 2008-11-11 General Electric Company MR receiver assembly having readout cables capable of multiple channel transmissions
JP2009511106A (ja) * 2005-10-07 2009-03-19 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 マルチチャネル送信磁気共鳴

Also Published As

Publication number Publication date
JP5571293B2 (ja) 2014-08-13
US20080272787A1 (en) 2008-11-06
NL2001547C2 (nl) 2010-02-05
JP2008272481A (ja) 2008-11-13
US7525313B2 (en) 2009-04-28

Similar Documents

Publication Publication Date Title
NL2001547A1 (nl) Systeem en werkwijze voor meerkanaals MR-overdracht.
PL2615785T3 (pl) Sposób i układ do adaptacji transmisji wieloantenowej
FI20060294A0 (fi) Kalibrointimenetelmä ja -laitteisto äänentoistojärjestelmässä
BRPI0910723A2 (pt) aparelho e método de frenagem.
BRPI0814085A2 (pt) Sistema, e, método
EP2235620A4 (en) SYSTEM AND METHOD FOR PRODUCING METADATA
EP2134254A4 (en) METHOD AND SYSTEM FOR MEASURING AND EVALUATING AN EMPLOYMENT REACTION
GB0717275D0 (en) System for communicating and method
BRPI0811722A2 (pt) Método, e sistema
EP2118796A4 (en) SYSTEM AND METHOD FOR TESTING AUTOVERIFICATION RULES
ZA200907370B (en) System and method for positioning
BRPI0922046A2 (pt) dispositivo de reprodução, método de reprodução e programa para reprodução estereoscópica
BRPI0916450A2 (pt) método, e sistema
BRPI0821050A2 (pt) Método, e, sistema
BRPI0820148A2 (pt) Sistema de aberturas, sistema de computador e método para usinar aberturas
EP2153302A4 (en) INTERFACE, METHOD AND SYSTEM FOR PROVIDING INLINE CONTEXTION AID AND SUPPORT
BRPI0810963A2 (pt) sistema, e, método
BRPI0810825A2 (pt) Sistema e método de distribuição
EP2373558A4 (en) METHOD AND SYSTEM FOR PROVIDING DOCK ASSISTANCE
TWI372344B (en) System and method for information integration
BRPI0918996A2 (pt) equipamento, sistema, e método.
BRPI0918084A2 (pt) método, e, sistema
BRPI0818023A2 (pt) Método utilizável com um poço, sistema utilizável em um poço, e aparelho utilizável em um poço
EP2124157A4 (en) SYSTEM AND METHOD FOR WEBSITE NAVIGATION
FR2914523B1 (fr) Procede et systeme de routage multipologie.

Legal Events

Date Code Title Description
AD1A A request for search or an international type search has been filed
PD2B A search report has been drawn up
MM Lapsed because of non-payment of the annual fee

Effective date: 20180601