CN111868542B - 多通道磁共振成像rf线圈 - Google Patents

多通道磁共振成像rf线圈 Download PDF

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Publication number
CN111868542B
CN111868542B CN201980019894.XA CN201980019894A CN111868542B CN 111868542 B CN111868542 B CN 111868542B CN 201980019894 A CN201980019894 A CN 201980019894A CN 111868542 B CN111868542 B CN 111868542B
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CN
China
Prior art keywords
coil
socket
transmission line
magnetic resonance
signal
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Application number
CN201980019894.XA
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English (en)
Chinese (zh)
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CN111868542A (zh
Inventor
C·洛斯勒
I·施马勒
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.)
Koninklijke Philips NV
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Koninklijke Philips NV
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Publication of CN111868542A publication Critical patent/CN111868542A/zh
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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
    • G01R33/28—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
    • G01R33/28—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
    • G01R33/3678—Electrical details, e.g. matching or coupling of the coil to the receiver involving quadrature drive or detection, e.g. a circularly polarized 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
    • G01R33/44—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)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
CN201980019894.XA 2018-01-18 2019-01-15 多通道磁共振成像rf线圈 Active CN111868542B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18152379.6A EP3514561A1 (en) 2018-01-18 2018-01-18 Multi-channel magnetic resonance imaging rf coil
EP18152379.6 2018-01-18
PCT/EP2019/050859 WO2019141645A1 (en) 2018-01-18 2019-01-15 Multi-channel magnetic resonance imaging rf coil

Publications (2)

Publication Number Publication Date
CN111868542A CN111868542A (zh) 2020-10-30
CN111868542B true CN111868542B (zh) 2024-07-02

Family

ID=61007540

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980019894.XA Active CN111868542B (zh) 2018-01-18 2019-01-15 多通道磁共振成像rf线圈

Country Status (5)

Country Link
US (1) US11896359B2 (cg-RX-API-DMAC7.html)
EP (2) EP3514561A1 (cg-RX-API-DMAC7.html)
JP (1) JP7278290B2 (cg-RX-API-DMAC7.html)
CN (1) CN111868542B (cg-RX-API-DMAC7.html)
WO (1) WO2019141645A1 (cg-RX-API-DMAC7.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12253583B2 (en) * 2021-04-28 2025-03-18 Shanghai United Imaging Healthcare Co., Ltd. Coil assembly and magnetic resonance system
CN119881758B (zh) * 2021-08-04 2025-11-25 上海联影医疗科技股份有限公司 核磁共振系统、射频发射信号校正方法、装置和医疗设备
JP7615097B2 (ja) * 2022-09-30 2025-01-16 和夫 加藤 加温装置

Citations (1)

* Cited by examiner, † Cited by third party
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US5053711A (en) * 1990-01-19 1991-10-01 General Electric Company Nmr radio frequency coil with improved axial field homogeneity

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US4857849A (en) * 1987-03-25 1989-08-15 Mitsubishi Denki Kabushiki Kaisha High frequency magnetic field generator for nuclear magnetic resonance
US7091721B2 (en) * 2001-04-18 2006-08-15 IGC—Medical Advances, Inc. Phased array local coil for MRI imaging having non-overlapping regions of sensitivity
US6411090B1 (en) 2001-07-02 2002-06-25 Ge Medical Systems Global Technology Company, Llc Magnetic resonance imaging transmit coil
US20070016969A1 (en) 2002-01-18 2007-01-18 Animal Technology Institute Taiwan Expression vector for hirudin and transformed cells and transgenic animals containing said vector
US6833704B1 (en) * 2003-07-21 2004-12-21 Varian, Inc. Multinuclear wands
JP2010512932A (ja) * 2006-12-21 2010-04-30 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 Ｒｆコイルに対する電力供給
DE102008006117B4 (de) 2008-01-25 2013-12-12 Siemens Aktiengesellschaft Magnetresonanzanlage, Antennensystem, Verfahren zum Aufbau einer Magnetresonanzanlage und Verfahren zur Erzeugung von Magnetresonanzaufnahmen
EP2316148A1 (en) * 2008-08-20 2011-05-04 Koninklijke Philips Electronics N.V. Rf power splitter for magnetic resonance system
JP5706899B2 (ja) * 2009-09-17 2015-04-22 コーニンクレッカ フィリップス エヌ ヴェ 磁気共鳴イメージングのための画像強度訂正
EP2577339A1 (en) * 2010-05-27 2013-04-10 Koninklijke Philips Electronics N.V. Decoupling of multiple channels of an mri rf coil array
EP2699924B1 (en) * 2011-04-21 2021-11-03 Koninklijke Philips N.V. Multichannel rf volume resonator for mri
EP2729824B1 (en) * 2011-07-04 2021-05-12 Koninklijke Philips N.V. Magnetic resonance imaging system with a multi-channel impedance matching network
DE102011083599B3 (de) * 2011-09-28 2013-03-28 Siemens Aktiengesellschaft Erfassung von Kalibrierdaten für ein Magnetresonanzsystem
US9971001B2 (en) * 2011-11-28 2018-05-15 The Texas A&M University System Volume array coil with enforced uniform element currents for improved excitation homogeneity
US20130300411A1 (en) * 2012-04-19 2013-11-14 New York University Triangle coil arrangement
US10073154B2 (en) * 2013-03-13 2018-09-11 Koninklijke Philips N.V. Multi-element RF transmit coil for magnetic resonance imaging
DE102013206570B3 (de) * 2013-04-12 2014-05-22 Siemens Aktiengesellschaft Verfahren zum Betrieb einer zur unabhängigen Ansteuerung mehrerer Spulenelemente ausgebildeten Sendeeinrichtung einer Magnetresonanzeinrichtung und Sendeeinrichtung
DE102013213400A1 (de) 2013-06-21 2014-12-24 Siemens Aktiengesellschaft Sendeeinheit für ein Magnetresonanztomographiesystem
DE102013216859B4 (de) 2013-08-23 2018-11-22 Siemens Healthcare Gmbh Magnetresonanzspule und damit arbeitendes Magnetresonanzgerät und Magnetresonanzsystem, sowie Verfahren zum Betrieb der Magnetresonanzspule
US10353023B2 (en) * 2013-12-10 2019-07-16 Koninklijke Philips N.V. Calculating MRI RF coil sensitivities using interpolation into an enlarged field of view
US20160095552A1 (en) * 2014-05-05 2016-04-07 The Regents Of The University Of California Non-invasive radiofrequency coil for magnetic resonance imaging
DE102015202861B4 (de) 2015-02-17 2016-11-10 Siemens Healthcare Gmbh MR-Gerät mit Verteilernetzwerk
DE102016204620B4 (de) 2015-07-16 2019-07-04 Siemens Healthcare Gmbh MR-Körperspule
US10591560B2 (en) * 2016-09-21 2020-03-17 Quality Electrodynamics, Llc Radio frequency (RF) transmit system for digital RF current source

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
US5053711A (en) * 1990-01-19 1991-10-01 General Electric Company Nmr radio frequency coil with improved axial field homogeneity

Also Published As

Publication number Publication date
JP2021511127A (ja) 2021-05-06
EP3740774B1 (en) 2023-06-07
CN111868542A (zh) 2020-10-30
US11896359B2 (en) 2024-02-13
EP3740774A1 (en) 2020-11-25
WO2019141645A1 (en) 2019-07-25
JP7278290B2 (ja) 2023-05-19
EP3514561A1 (en) 2019-07-24
US20210059556A1 (en) 2021-03-04

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