JP6153905B2 - 高周波コイルおよび磁気共鳴撮像装置 - Google Patents

高周波コイルおよび磁気共鳴撮像装置 Download PDF

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Publication number
JP6153905B2
JP6153905B2 JP2014181324A JP2014181324A JP6153905B2 JP 6153905 B2 JP6153905 B2 JP 6153905B2 JP 2014181324 A JP2014181324 A JP 2014181324A JP 2014181324 A JP2014181324 A JP 2014181324A JP 6153905 B2 JP6153905 B2 JP 6153905B2
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Japan
Prior art keywords
coil
subcoil
loop
frequency
magnetic resonance
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JP2014181324A
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Japanese (ja)
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JP2016054785A (ja
JP2016054785A5 (enExample
Inventor
陽介 大竹
陽介 大竹
久晃 越智
久晃 越智
浩二郎 岩澤
浩二郎 岩澤
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Hitachi Ltd
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Hitachi Ltd
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Priority to JP2014181324A priority Critical patent/JP6153905B2/ja
Priority to CN201580045289.1A priority patent/CN106572811B/zh
Priority to US15/504,681 priority patent/US10641845B2/en
Priority to PCT/JP2015/072536 priority patent/WO2016035510A1/ja
Publication of JP2016054785A publication Critical patent/JP2016054785A/ja
Publication of JP2016054785A5 publication Critical patent/JP2016054785A5/ja
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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
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • 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
    • G01R33/341—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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3628—Tuning/matching of the transmit/receive coil
    • G01R33/3635—Multi-frequency operation
    • 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
    • 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
    • G01R33/28—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
    • G01R33/3657—Decoupling of multiple RF coils wherein the multiple RF coils do not have the same function in MR, e.g. decoupling of a transmission coil from a receive coil
    • 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
    • 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

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2014181324A 2014-09-05 2014-09-05 高周波コイルおよび磁気共鳴撮像装置 Active JP6153905B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2014181324A JP6153905B2 (ja) 2014-09-05 2014-09-05 高周波コイルおよび磁気共鳴撮像装置
CN201580045289.1A CN106572811B (zh) 2014-09-05 2015-08-07 高频线圈以及磁共振成像装置
US15/504,681 US10641845B2 (en) 2014-09-05 2015-08-07 High frequency coil and magnetic resonance image pickup device
PCT/JP2015/072536 WO2016035510A1 (ja) 2014-09-05 2015-08-07 高周波コイルおよび磁気共鳴撮像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014181324A JP6153905B2 (ja) 2014-09-05 2014-09-05 高周波コイルおよび磁気共鳴撮像装置

Publications (3)

Publication Number Publication Date
JP2016054785A JP2016054785A (ja) 2016-04-21
JP2016054785A5 JP2016054785A5 (enExample) 2017-03-30
JP6153905B2 true JP6153905B2 (ja) 2017-06-28

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JP2014181324A Active JP6153905B2 (ja) 2014-09-05 2014-09-05 高周波コイルおよび磁気共鳴撮像装置

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US (1) US10641845B2 (enExample)
JP (1) JP6153905B2 (enExample)
CN (1) CN106572811B (enExample)
WO (1) WO2016035510A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6590736B2 (ja) * 2016-03-04 2019-10-16 株式会社日立製作所 高周波コイル及びそれを用いた磁気共鳴撮像装置
JP6600601B2 (ja) * 2016-06-16 2019-10-30 株式会社日立製作所 高周波アレイコイル及び磁気共鳴撮像装置
US10250078B2 (en) * 2016-10-18 2019-04-02 Robert A Moffatt Wireless power transfer to multiple receiver devices across a variable-sized area
DE102016225017A1 (de) * 2016-12-14 2018-06-14 Bruker Biospin Ag Magnetanordnung mit supraleitend geschlossenen HTS-Shims
EP3470864A1 (en) * 2017-10-12 2019-04-17 Koninklijke Philips N.V. Feeding a coil for magnetic resonance imaging
JP6886908B2 (ja) * 2017-11-01 2021-06-16 株式会社日立製作所 アレイコイル及び磁気共鳴撮像装置
US11555875B2 (en) 2021-03-24 2023-01-17 Coilone, LLC RF receive coil circuit for MRI systems
WO2025231639A1 (zh) * 2024-05-08 2025-11-13 中国科学院深圳先进技术研究院 一种磁共振头部功能检测射频线圈

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075552A (en) * 1975-04-24 1978-02-21 Traficante Daniel D Wide-band nuclear magnetic resonance spectrometer
CN1003475B (zh) * 1985-05-13 1989-03-01 菲利浦灯光制造公司 用于高频的有传输一测量线圈的mr(magnetic resonance磁共振)设备
US5510714A (en) * 1991-08-09 1996-04-23 Hitachi, Ltd. Magnetic resonance imaging apparatus and RF coil employed therein
US5453692A (en) * 1992-08-06 1995-09-26 Hitachi, Ltd. RF probe for nuclear magnetic resonance imaging (MRI) devices
WO2007001463A2 (en) * 2004-11-23 2007-01-04 M2M Imaging Corp. Bandwidth expansion in magnetic resonance
EP1875862B1 (en) * 2005-04-25 2015-07-15 Hitachi, Ltd. Inspection equipment employing magnetic resonance
JP5063107B2 (ja) * 2006-12-28 2012-10-31 株式会社日立製作所 磁気共鳴検査装置
JP5207662B2 (ja) * 2007-05-31 2013-06-12 株式会社日立製作所 磁場コイル及び磁気共鳴撮像装置
US8169221B2 (en) * 2007-10-31 2012-05-01 Griswold Mark A Multi-frequency excitation coils for MRI
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
WO2011122084A1 (ja) * 2010-03-31 2011-10-06 株式会社 日立製作所 Ｒｆコイル及び磁気共鳴撮像装置
DE102015201462B3 (de) * 2015-01-28 2016-05-12 Siemens Aktiengesellschaft Hochfrequenz-Spuleneinheit für eine Magnetresonanz-Bildgebung
WO2017033887A1 (ja) * 2015-08-27 2017-03-02 株式会社日立製作所 高周波コイルおよび磁気共鳴撮像装置
JP6590736B2 (ja) * 2016-03-04 2019-10-16 株式会社日立製作所 高周波コイル及びそれを用いた磁気共鳴撮像装置

Also Published As

Publication number Publication date
JP2016054785A (ja) 2016-04-21
WO2016035510A1 (ja) 2016-03-10
US10641845B2 (en) 2020-05-05
CN106572811A (zh) 2017-04-19
CN106572811B (zh) 2020-06-30
US20170254864A1 (en) 2017-09-07

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