DE602005013821D1 - System und verfahren für magnetresonanzbildgebung - Google Patents

System und verfahren für magnetresonanzbildgebung

Info

Publication number
DE602005013821D1
DE602005013821D1 DE602005013821T DE602005013821T DE602005013821D1 DE 602005013821 D1 DE602005013821 D1 DE 602005013821D1 DE 602005013821 T DE602005013821 T DE 602005013821T DE 602005013821 T DE602005013821 T DE 602005013821T DE 602005013821 D1 DE602005013821 D1 DE 602005013821D1
Authority
DE
Germany
Prior art keywords
coil
magnetic resonance
resonance imaging
simple way
field
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602005013821T
Other languages
English (en)
Inventor
Ulrich Katscher
Christian Findeklee
Peter Vernickel
Christoph Leussler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Intellectual Property and Standards GmbH
Original Assignee
Koninklijke Philips Electronics 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 Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602005013821D1 publication Critical patent/DE602005013821D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3607—RF waveform generators, e.g. frequency generators, amplitude-, frequency- or phase modulators or shifters, pulse programmers, digital to analog converters for the RF signal, means for filtering or attenuating of the RF signal
    • 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
DE602005013821T 2004-12-22 2005-12-19 System und verfahren für magnetresonanzbildgebung Active DE602005013821D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04106844 2004-12-22
PCT/IB2005/054312 WO2006067727A2 (en) 2004-12-22 2005-12-19 Magnetic resonance imaging system and method

Publications (1)

Publication Number Publication Date
DE602005013821D1 true DE602005013821D1 (de) 2009-05-20

Family

ID=36578683

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005013821T Active DE602005013821D1 (de) 2004-12-22 2005-12-19 System und verfahren für magnetresonanzbildgebung

Country Status (7)

Country Link
US (1) US7701211B2 (de)
EP (1) EP1831712B8 (de)
JP (1) JP4926976B2 (de)
CN (1) CN101088022B (de)
AT (1) ATE428120T1 (de)
DE (1) DE602005013821D1 (de)
WO (1) WO2006067727A2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008053436A1 (en) * 2006-10-31 2008-05-08 Philips Intellectual Property & Standards Gmbh Mri rf encoding using multiple transmit coils
DE102007013060A1 (de) * 2007-03-19 2008-09-25 Siemens Ag Verfahren zur Einstellung eines B1-Felds
DE102007023251B4 (de) * 2007-05-18 2017-11-23 Siemens Healthcare Gmbh Verfahren zur Steuerung eines Magnetresonanzsystems
US7508214B2 (en) 2007-05-21 2009-03-24 Medrad, Inc. Transmit-mode phased array coils for reduced SAR and artifact issues
EP2260317A2 (de) * 2008-03-27 2010-12-15 Koninklijke Philips Electronics N.V. Pulswinkelabbildung mit verbessertem b1-mapping für mehrfach-hf-übertragungssysteme
WO2010032193A1 (en) * 2008-09-17 2010-03-25 Koninklijke Philips Electronics N.V. Rf shimming with rf power regularization using a multi-channel rf transmit system for mri
DE102009012109B4 (de) * 2009-03-06 2011-05-12 Siemens Aktiengesellschaft Digitales Verfahren zur Kanalreduktion in MR Empfangs-Systemen und entsprechende Vorrichtung
CN101615214B (zh) * 2009-07-23 2012-05-16 清华大学 一种对磁共振成像rf线圈进行性能分析的方法
US9036884B2 (en) 2009-09-17 2015-05-19 Koninklijke Philips N.V. Image intensity correction for magnetic resonance imaging
DE102011083395B4 (de) * 2011-09-26 2013-06-13 Siemens Aktiengesellschaft Korrektur von Verzerrungen in MR-Bildern aufgrund von Inhomogenitäten des Grundmagnetfeldes
US9411032B2 (en) 2012-07-31 2016-08-09 General Electric Company Sensitivity distribution generating apparatus, magnetic resonance system, sensitivity distribution generating method, and program
EP3248024B1 (de) 2015-01-21 2024-04-03 Koninklijke Philips N.V. Automatischer impedanzabgleich einer mehrkanal-rf-spulenanordnung
JP6976711B2 (ja) 2017-04-28 2021-12-08 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及びパルス設計方法
US10705166B2 (en) * 2017-05-18 2020-07-07 Synaptive Medical (Barbados) Inc. Transmit coil frequency response correction for magnetic resonance imaging
JP7000119B2 (ja) 2017-10-31 2022-02-04 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及びパルス設計方法
CN112401868A (zh) * 2019-08-21 2021-02-26 西门子(深圳)磁共振有限公司 呼吸检测装置、方法及磁共振成像系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10136481A1 (de) 2001-07-27 2003-02-20 Leica Microsystems Anordnung zum Mikromanipulieren von biologischen Objekten
US5759152A (en) * 1996-10-02 1998-06-02 Mayo Foundation For Medical Education And Research Phase-aligned NMR surface coil image reconstruction
DE10124465A1 (de) * 2001-05-19 2002-11-21 Philips Corp Intellectual Pty Sende- und Empfangsspule für MR-Gerät
WO2004053514A1 (en) * 2002-12-06 2004-06-24 Koninklijke Philips Electronics N.V. Magnetic resonance imaging system with a plurality of transmit coils
CN1735814B (zh) * 2003-01-07 2010-06-16 皇家飞利浦电子股份有限公司 用于具有多个发送通道的mr设备的高频系统及其中的mr设备
US7053618B2 (en) * 2003-11-26 2006-05-30 General Electric Company Method and apparatus to generate an RF excitation consistent with a desired excitation profile using a transmit coil array
US7259562B2 (en) * 2005-02-11 2007-08-21 Baylor College Of Medicine RF coil for a highly uniform B1 amplitude for high field MRI
US7439742B2 (en) * 2006-11-28 2008-10-21 Siemens Aktiengesellschaft Magnetic resonance RF transmission array
US7508214B2 (en) * 2007-05-21 2009-03-24 Medrad, Inc. Transmit-mode phased array coils for reduced SAR and artifact issues

Also Published As

Publication number Publication date
ATE428120T1 (de) 2009-04-15
EP1831712A2 (de) 2007-09-12
CN101088022B (zh) 2011-02-16
US7701211B2 (en) 2010-04-20
EP1831712B1 (de) 2009-04-08
JP4926976B2 (ja) 2012-05-09
EP1831712B8 (de) 2009-06-17
WO2006067727A3 (en) 2006-10-05
CN101088022A (zh) 2007-12-12
JP2008525088A (ja) 2008-07-17
US20090251144A1 (en) 2009-10-08
WO2006067727A2 (en) 2006-06-29

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Legal Events

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8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH, DE

8364 No opposition during term of opposition