JP4844310B2 - 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
JP4844310B2
JP4844310B2 JP2006247478A JP2006247478A JP4844310B2 JP 4844310 B2 JP4844310 B2 JP 4844310B2 JP 2006247478 A JP2006247478 A JP 2006247478A JP 2006247478 A JP2006247478 A JP 2006247478A JP 4844310 B2 JP4844310 B2 JP 4844310B2
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Japan
Prior art keywords
coil
capacitor
magnetic field
degrees
circularly polarized
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Expired - Fee Related
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JP2006247478A
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English (en)
Japanese (ja)
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JP2008067807A (ja
JP2008067807A5 (enExample
Inventor
悦久 五月女
秀太 羽原
久晃 越智
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Hitachi Ltd
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Hitachi Ltd
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Priority to JP2006247478A priority Critical patent/JP4844310B2/ja
Priority to US11/782,679 priority patent/US8089280B2/en
Publication of JP2008067807A publication Critical patent/JP2008067807A/ja
Publication of JP2008067807A5 publication Critical patent/JP2008067807A5/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
    • 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
    • G01R33/34—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
    • G01R33/3628—Tuning/matching of the transmit/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
    • G01R33/32—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
    • G01R33/3678—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)
JP2006247478A 2006-09-13 2006-09-13 高周波コイルおよび磁気共鳴撮像装置 Expired - Fee Related JP4844310B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2006247478A JP4844310B2 (ja) 2006-09-13 2006-09-13 高周波コイルおよび磁気共鳴撮像装置
US11/782,679 US8089280B2 (en) 2006-09-13 2007-07-25 RF coil and MRI system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006247478A JP4844310B2 (ja) 2006-09-13 2006-09-13 高周波コイルおよび磁気共鳴撮像装置

Publications (3)

Publication Number Publication Date
JP2008067807A JP2008067807A (ja) 2008-03-27
JP2008067807A5 JP2008067807A5 (enExample) 2009-05-14
JP4844310B2 true JP4844310B2 (ja) 2011-12-28

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JP2006247478A Expired - Fee Related JP4844310B2 (ja) 2006-09-13 2006-09-13 高周波コイルおよび磁気共鳴撮像装置

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Country Link
US (1) US8089280B2 (enExample)
JP (1) JP4844310B2 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
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JP2008528092A (ja) * 2005-01-24 2008-07-31 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 磁気共鳴イメージングのための直交コイル
JP4869029B2 (ja) * 2006-11-09 2012-02-01 株式会社日立製作所 コイル装置及びそれを用いた磁気共鳴検査装置
JP4879829B2 (ja) * 2007-07-19 2012-02-22 株式会社日立製作所 高周波コイル及び磁気共鳴撮像装置
GB0905768D0 (en) * 2009-04-03 2009-05-20 Siemens Ag Antenna feed
US9182463B2 (en) 2010-02-26 2015-11-10 Hitachi Medical Corporation Magnetic resonance examination apparatus and antenna device
JP5530848B2 (ja) * 2010-07-28 2014-06-25 トヨタ自動車株式会社 コイルユニット、非接触電力送電装置、非接触電力受電装置、車両および非接触電力給電システム
CN102958432B (zh) * 2010-08-17 2015-06-10 株式会社日立医疗器械 高频线圈及使用了该高频线圈的磁共振摄像装置
JP5718619B2 (ja) 2010-11-18 2015-05-13 トヨタ自動車株式会社 コイルユニット、非接触電力送電装置、車両および非接触電力給電システム
WO2012111088A1 (ja) 2011-02-15 2012-08-23 トヨタ自動車株式会社 車両および外部給電装置
JP5710313B2 (ja) 2011-02-25 2015-04-30 トヨタ自動車株式会社 共鳴コイル、送電装置、受電装置および電力送電システム
JP5685476B2 (ja) * 2011-04-11 2015-03-18 株式会社日立製作所 磁気共鳴イメージング装置
JP5781882B2 (ja) * 2011-09-29 2015-09-24 トヨタ自動車株式会社 送電装置、車両および電力伝送システム
JP5885239B2 (ja) 2011-10-20 2016-03-15 トヨタ自動車株式会社 受電装置、送電装置および電力伝送システム
DE102012211312A1 (de) * 2012-06-29 2014-01-02 Siemens Aktiengesellschaft Verfahren zum gleichzeitigen Übertragen von mindestens zwei hochfrequenten Übertragungssignalen über eine gemeinsame Hochfrequenzleitung, Signalübertragungsvorrichtung und Magnetresonanztomograph
KR101415314B1 (ko) * 2012-10-18 2014-07-04 경북대학교 산학협력단 코일 보조 다리를 갖는 새장형 이중 공진 rf 코일 및 그 제조방법
KR101415315B1 (ko) * 2012-10-18 2014-07-04 경북대학교 산학협력단 트리플 다리 캐패시터를 갖는 새장형 mri 수신단 rf 코일 및 그 제조방법
KR101424976B1 (ko) * 2012-11-08 2014-08-13 삼성전자주식회사 위상 배열형 고주파 코일 및 이를 채용한 자기공명영상 장치
JP6391911B2 (ja) 2013-01-23 2018-09-19 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、ｒｆコイル装置
KR102133996B1 (ko) * 2013-12-27 2020-07-14 삼성전자주식회사 알에프 코일 구조물 및 이를 포함하고 있는 알에프 코일 장치
US9977099B2 (en) 2014-12-30 2018-05-22 General Electric Company Systems and methods for integrated pick-up loops in body coil conductors
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
US11061090B2 (en) * 2017-11-08 2021-07-13 Canon Medical Systems Corporation Magnetic resonance imaging apparatus and RF coil
KR102487465B1 (ko) * 2019-12-02 2023-01-11 고려대학교 세종산학협력단 고주파 몸통 코일의 자장 균일도 및 효율 향상을 위한 타원형의 새장 몸통 형상을 갖는 자기공명영상 획득 장치

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US4740752A (en) * 1986-08-06 1988-04-26 The Regents Of The University Of California Non-overlapping qd MRI RF coil
JPS63292949A (ja) * 1987-05-25 1988-11-30 Yokogawa Medical Syst Ltd 核磁気共鳴イメ−ジング装置用ｒｆコイル
US5041790A (en) * 1990-01-16 1991-08-20 Toshiba America Mri, Inc. Dual-tuned RF coil for MRI spectroscopy
JP3147418B2 (ja) * 1991-08-09 2001-03-19 株式会社日立製作所 Ｍｒｉ用ｒｆコイル
JPH06242202A (ja) * 1993-02-15 1994-09-02 Hitachi Ltd Ｒｆプロ−ブ
JP2638420B2 (ja) * 1993-02-28 1997-08-06 株式会社島津製作所 Ｍｒｉ装置のクワドラチャコイル
US6029082A (en) * 1997-11-24 2000-02-22 Picker International, Inc. Less-claustrophobic, quadrature, radio-frequency head coil for nuclear magnetic resonance
US6414488B1 (en) * 2000-03-01 2002-07-02 Koninklijke Philips Electronics N.V. Method and apparatus for decoupling magnetic resonance receive coils
US7626390B2 (en) * 2003-09-30 2009-12-01 Koninklijke Philips Electronics N.V. Electroacoustic cable for magnetic resonance applications
US7292038B2 (en) * 2005-05-02 2007-11-06 Doty Scientific, Inc. Double-balanced double-tuned CP birdcage with similar field profiles
CN101297211A (zh) * 2005-10-28 2008-10-29 皇家飞利浦电子股份有限公司 用于进行mri的非圆柱形rf线圈
US7352185B1 (en) * 2006-11-22 2008-04-01 Varian, Inc. Multi-functional NMR probe

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Publication number Publication date
JP2008067807A (ja) 2008-03-27
US8089280B2 (en) 2012-01-03
US20080061785A1 (en) 2008-03-13

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