JP7278290B2 - マルチチャネル磁気共鳴イメージングｒｆコイル - Google Patents

マルチチャネル磁気共鳴イメージングｒｆコイル Download PDF

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Publication number
JP7278290B2
JP7278290B2 JP2020539067A JP2020539067A JP7278290B2 JP 7278290 B2 JP7278290 B2 JP 7278290B2 JP 2020539067 A JP2020539067 A JP 2020539067A JP 2020539067 A JP2020539067 A JP 2020539067A JP 7278290 B2 JP7278290 B2 JP 7278290B2
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Prior art keywords
coil
magnetic resonance
resonance imaging
socket
channel
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Japanese (ja)
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JP2021511127A (ja
JP2021511127A5 (enExample
Inventor
クリストフ リュースラ
インゴ シュメール
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Koninklijke Philips NV
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Koninklijke Philips NV
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    • 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
    • G01R33/44—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
    • G01R33/36—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

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  • 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)
JP2020539067A 2018-01-18 2019-01-15 マルチチャネル磁気共鳴イメージングｒｆコイル Active JP7278290B2 (ja)

Applications Claiming Priority (3)

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

Publications (3)

Publication Number Publication Date
JP2021511127A JP2021511127A (ja) 2021-05-06
JP2021511127A5 JP2021511127A5 (enExample) 2022-01-21
JP7278290B2 true JP7278290B2 (ja) 2023-05-19

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ID=61007540

Family Applications (1)

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JP2020539067A Active JP7278290B2 (ja) 2018-01-18 2019-01-15 マルチチャネル磁気共鳴イメージングｒｆコイル

Country Status (5)

Country Link
US (1) US11896359B2 (enExample)
EP (2) EP3514561A1 (enExample)
JP (1) JP7278290B2 (enExample)
CN (1) CN111868542B (enExample)
WO (1) WO2019141645A1 (enExample)

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
CN113805131B (zh) * 2021-08-04 2025-01-24 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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006528349A (ja) 2003-07-21 2006-12-14 バリアン・インコーポレイテッド 電気的長さを調節可能な着脱可能な４分の１波長素子を有する多核ｎｍｒプローブ
US20110148418A1 (en) 2008-08-20 2011-06-23 Koninklijke Philps Electronics N.V. RF Power Splitter for Magnetic Resonance System
JP2014518121A (ja) 2011-07-04 2014-07-28 コーニンクレッカ フィリップス エヌ ヴェ 多チャネルインピーダンス整合ネットワークを備える磁気共鳴撮像システム

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4857849A (en) * 1987-03-25 1989-08-15 Mitsubishi Denki Kabushiki Kaisha High frequency magnetic field generator for nuclear magnetic resonance
US5053711A (en) * 1990-01-19 1991-10-01 General Electric Company Nmr radio frequency coil with improved axial field homogeneity
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
US20100090699A1 (en) * 2006-12-21 2010-04-15 Koninklijke Philips Electronics N. V. Power supply for rf coils
DE102008006117B4 (de) 2008-01-25 2013-12-12 Siemens Aktiengesellschaft Magnetresonanzanlage, Antennensystem, Verfahren zum Aufbau einer Magnetresonanzanlage und Verfahren zur Erzeugung von Magnetresonanzaufnahmen
WO2011033401A1 (en) * 2009-09-17 2011-03-24 Koninklijke Philips Electronics N.V. Image intensity correction for magnetic resonance imaging
WO2011148278A1 (en) * 2010-05-27 2011-12-01 Koninklijke Philips Electronics N.V. Decoupling of multiple channels of an mri rf coil array
DE112012001772T5 (de) * 2011-04-21 2014-03-06 Philips Deutschland Gmbh Mehrkanal-HF-Volumenresonator für MRI
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
CN105190342B (zh) * 2013-03-13 2018-01-30 皇家飞利浦有限公司 用于磁共振成像的多元件rf发射线圈
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
JP2017502727A (ja) * 2013-12-10 2017-01-26 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 拡大視野への補間を用いたｍｒｉのｒｆコイル感度の計算
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006528349A (ja) 2003-07-21 2006-12-14 バリアン・インコーポレイテッド 電気的長さを調節可能な着脱可能な４分の１波長素子を有する多核ｎｍｒプローブ
US20110148418A1 (en) 2008-08-20 2011-06-23 Koninklijke Philps Electronics N.V. RF Power Splitter for Magnetic Resonance System
JP2012500082A (ja) 2008-08-20 2012-01-05 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 磁気共鳴システムに対するｒｆ電力スプリッタ
JP2014518121A (ja) 2011-07-04 2014-07-28 コーニンクレッカ フィリップス エヌ ヴェ 多チャネルインピーダンス整合ネットワークを備える磁気共鳴撮像システム

Also Published As

Publication number Publication date
JP2021511127A (ja) 2021-05-06
CN111868542B (zh) 2024-07-02
US20210059556A1 (en) 2021-03-04
EP3740774A1 (en) 2020-11-25
EP3740774B1 (en) 2023-06-07
CN111868542A (zh) 2020-10-30
EP3514561A1 (en) 2019-07-24
US11896359B2 (en) 2024-02-13
WO2019141645A1 (en) 2019-07-25

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