JP7126452B2 - 磁気共鳴イメージング装置のための選択可能な駆動ポートを有するｒｆ送信システム - Google Patents

磁気共鳴イメージング装置のための選択可能な駆動ポートを有するｒｆ送信システム Download PDF

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Publication number
JP7126452B2
JP7126452B2 JP2018551917A JP2018551917A JP7126452B2 JP 7126452 B2 JP7126452 B2 JP 7126452B2 JP 2018551917 A JP2018551917 A JP 2018551917A JP 2018551917 A JP2018551917 A JP 2018551917A JP 7126452 B2 JP7126452 B2 JP 7126452B2
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drive
pair
drive ports
ports
power
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Japanese (ja)
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JP2019513451A5 (enExample
JP2019513451A (ja
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オリバー リップス
ペーター バーニッケル
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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
    • G01R33/3664—Switching for purposes other than coil coupling or decoupling, e.g. switching between a phased array mode and a quadrature mode, switching between surface coil modes of different geometrical shapes, switching from a whole body reception coil to a local reception coil or switching for automatic coil selection in moving table MR or for changing the field-of-view
    • 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
    • G01R33/34—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
    • G01R33/3678—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)
  • Electromagnetism (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2018551917A 2016-04-04 2017-04-04 磁気共鳴イメージング装置のための選択可能な駆動ポートを有するｒｆ送信システム Active JP7126452B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16163738 2016-04-04
EP16163738.4 2016-04-04
PCT/EP2017/057937 WO2017174552A1 (en) 2016-04-04 2017-04-04 Rf transmit system with selectable drive ports for magnetic resonance imaging apparatuses

Publications (3)

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JP2019513451A JP2019513451A (ja) 2019-05-30
JP2019513451A5 JP2019513451A5 (enExample) 2020-05-14
JP7126452B2 true JP7126452B2 (ja) 2022-08-26

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JP2018551917A Active JP7126452B2 (ja) 2016-04-04 2017-04-04 磁気共鳴イメージング装置のための選択可能な駆動ポートを有するｒｆ送信システム

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US (1) US10705167B2 (enExample)
EP (1) EP3440475B1 (enExample)
JP (1) JP7126452B2 (enExample)
CN (1) CN109073717B (enExample)
WO (1) WO2017174552A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3470864A1 (en) * 2017-10-12 2019-04-17 Koninklijke Philips N.V. Feeding a coil for magnetic resonance imaging
US11061090B2 (en) * 2017-11-08 2021-07-13 Canon Medical Systems Corporation Magnetic resonance imaging apparatus and RF coil
EP3511727A1 (en) * 2018-01-11 2019-07-17 Koninklijke Philips N.V. Active b1+ shimming of transmission coils
CN109696642B (zh) * 2018-12-29 2024-06-04 佛山瑞加图医疗科技有限公司 射频线圈装置及磁共振成像系统
JP7021657B2 (ja) * 2019-03-22 2022-02-17 オムロン株式会社 Ｒｆタグ
US11592504B2 (en) * 2020-03-26 2023-02-28 Quality Electrodynamics, Llc MRI coil with a RF shield for radiation or x-ray applications

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130300415A1 (en) 2011-01-06 2013-11-14 Koninklijke Philips Electronics N.V. Multi-channel transmit mr imaging

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SI9400141B (sl) * 1994-03-21 2002-08-31 Dr. BARBI� Lenart Postopek in priprava za reguliranje mletja mineralnih surovin
JP3469651B2 (ja) * 1994-09-20 2003-11-25 ジーイー横河メディカルシステム株式会社 Ｍｒｉ用体腔内コイルおよびｍｒｉ装置
US20070150333A1 (en) * 2005-09-02 2007-06-28 Roger Hurst Energy and chemical species utility management system
CN101427150B (zh) * 2006-04-24 2012-09-05 皇家飞利浦电子股份有限公司 多元件rf线圈的去耦系统以及方法
US7525313B2 (en) * 2007-05-04 2009-04-28 General Electric Company System and method for multi-channel MR transmission
CN101675351A (zh) * 2007-05-04 2010-03-17 皇家飞利浦电子股份有限公司 用于生成rf场的方法和多通道rf发射器布置
DE102007024824B3 (de) 2007-05-29 2009-02-26 Siemens Ag Anordnung zur Ansteuerung einer Antennenanordnung und Einrichtung zur Signalaufteilung zur Ansteuerung einer Antennenanordnung
JP5247214B2 (ja) 2008-04-04 2013-07-24 株式会社日立製作所 高周波磁場コイル及び磁気共鳴撮影装置
US8030920B2 (en) * 2009-06-03 2011-10-04 General Electric Company Method and system for modifying pulse sequences
CN103492898B (zh) * 2011-04-21 2016-09-07 皇家飞利浦有限公司 用于mri的多通道rf体积共振器
JP6220384B2 (ja) 2012-05-14 2017-10-25 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 磁気共鳴コイル系の複数のコイル要素に無線周波数信号を供給する給電回路装置
US9373960B2 (en) * 2013-03-13 2016-06-21 Oracle International Corporation Computerized system and method for distributed energy resource scheduling
US9049664B2 (en) * 2013-06-24 2015-06-02 Mediatek Inc. Wireless communications circuit for improving current consumption and RF performance

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130300415A1 (en) 2011-01-06 2013-11-14 Koninklijke Philips Electronics N.V. Multi-channel transmit mr imaging

Also Published As

Publication number Publication date
CN109073717B (zh) 2021-03-23
EP3440475B1 (en) 2022-06-08
US10705167B2 (en) 2020-07-07
JP2019513451A (ja) 2019-05-30
US20190113586A1 (en) 2019-04-18
WO2017174552A1 (en) 2017-10-12
EP3440475A1 (en) 2019-02-13
CN109073717A (zh) 2018-12-21

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