JP6463608B2 - 磁気共鳴トモグラフィシステムおよび該磁気共鳴トモグラフィシステムを用いたｍｒｉイメージング方法 - Google Patents

磁気共鳴トモグラフィシステムおよび該磁気共鳴トモグラフィシステムを用いたｍｒｉイメージング方法 Download PDF

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JP6463608B2
JP6463608B2 JP2014147643A JP2014147643A JP6463608B2 JP 6463608 B2 JP6463608 B2 JP 6463608B2 JP 2014147643 A JP2014147643 A JP 2014147643A JP 2014147643 A JP2014147643 A JP 2014147643A JP 6463608 B2 JP6463608 B2 JP 6463608B2
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frequency transmission
magnetic resonance
tomography system
transmission coil
resonance tomography
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JP2015020075A (ja
JP2015020075A5 (enExample
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ビーバー シュテファン
ビーバー シュテファン
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Siemens AG
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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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient 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
    • G01R33/3664—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
    • G01R33/36—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

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2014147643A 2013-07-22 2014-07-18 磁気共鳴トモグラフィシステムおよび該磁気共鳴トモグラフィシステムを用いたｍｒｉイメージング方法 Active JP6463608B2 (ja)

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Application Number Priority Date Filing Date Title
DE102013214285.4 2013-07-22
DE102013214285.4A DE102013214285A1 (de) 2013-07-22 2013-07-22 Verwendung mehrerer TX-Spulen

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JP2015020075A JP2015020075A (ja) 2015-02-02
JP2015020075A5 JP2015020075A5 (enExample) 2017-07-20
JP6463608B2 true JP6463608B2 (ja) 2019-02-06

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US (1) US10274560B2 (enExample)
JP (1) JP6463608B2 (enExample)
KR (1) KR20150011325A (enExample)
CN (1) CN104330756B (enExample)
DE (1) DE102013214285A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8970217B1 (en) 2010-04-14 2015-03-03 Hypres, Inc. System and method for noise reduction in magnetic resonance imaging
EP2989478B1 (en) * 2013-04-23 2023-02-15 Koninklijke Philips N.V. Single coaxial interface for magnetic resonance (mr) coils
DE102014202567B4 (de) * 2014-02-12 2017-05-04 Siemens Healthcare Gmbh Verfahren zur Erzeugung von Magnetresonanzaufnahmen und Magnetresonanztomographiesystem
DE102014209783B4 (de) * 2014-05-22 2018-06-14 Siemens Healthcare Gmbh Erstellung eines MR-Bildes mit Hilfe einer Kombination aus einer Ganzkörperspule und einer lokalen Sendespule
JP6884101B2 (ja) * 2015-01-21 2021-06-09 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 多チャンネルｒｆコイルアセンブリの自動化されたインピーダンス調節
CN106646298B (zh) * 2015-10-28 2019-05-24 西门子(深圳)磁共振有限公司 一种体线圈及磁共振成像系统
JP6687375B2 (ja) * 2015-11-30 2020-04-22 キヤノンメディカルシステムズ株式会社 Ｒｆコイル及び磁気共鳴イメージング装置
KR102654925B1 (ko) 2016-06-21 2024-04-05 삼성디스플레이 주식회사 디스플레이 장치 및 이의 제조 방법
EP3581954B1 (de) * 2018-06-12 2023-03-08 Siemens Healthcare GmbH Sensor und magnetresonanztomograph mit drahtloser nahfeldübertragung von energie und daten
EP4016103A1 (de) * 2020-12-18 2022-06-22 Siemens Healthcare GmbH Magnetresonanztomograph und verfahren zum schnellen umschalten von tx nach rx

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI73320C (fi) 1984-01-20 1987-09-10 Instrumentarium Oy Nmr-spolarrangemang.
JPH0194834A (ja) * 1987-10-06 1989-04-13 Mitsubishi Electric Corp Ｎｍｒ用高周波プローブ及びｎｍｒ信号測定方法
US5243287A (en) * 1992-04-27 1993-09-07 General Electric Company Dynamically detuned NMR field coil
DE10051155C2 (de) * 2000-10-16 2002-09-19 Siemens Ag Inhärent entkoppelte MR-Empfangsspulenanordnung
DE10113661A1 (de) * 2001-03-21 2002-09-26 Philips Corp Intellectual Pty Katheter zur Anwendung in einem Magnetresonanz-Bildgerät
US6552544B2 (en) * 2001-04-05 2003-04-22 Varian, Inc. Detunable coil assembly and method of detuning RF coil for MRI
WO2003098247A1 (de) * 2002-05-15 2003-11-27 Siemens Aktiengesellschaft Magnetresonanzanlage
US6850067B1 (en) * 2002-05-17 2005-02-01 General Electric Company Transmit mode coil detuning for MRI systems
DE10314215B4 (de) 2003-03-28 2006-11-16 Siemens Ag Magnetresonanzantenne und Verfahren zur Verstimmung deren Eigenresonanzfrequenz
DE102006046044B4 (de) 2006-09-28 2010-04-08 Siemens Ag Hochfrequenzsendeanordnung einer Magnetresonanzanlage
WO2008135883A1 (en) * 2007-05-04 2008-11-13 Koninklijke Philips Electronics N.V. Method and rf transmitter arrangement for generating rf fields
JP5405017B2 (ja) * 2007-12-28 2014-02-05 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー コイルシステム、およびｍｒｉ装置
DE102008014751B4 (de) 2008-03-18 2015-01-15 Siemens Aktiengesellschaft Verfahren zum Betrieb einer Anordnung zur Verstimmung einer Empfangsantenne bei einer Lokalspule
CN101782635A (zh) * 2009-01-20 2010-07-21 西门子迈迪特(深圳)磁共振有限公司 磁共振信号的接收器和接收方法
DE102009012109B4 (de) * 2009-03-06 2011-05-12 Siemens Aktiengesellschaft Digitales Verfahren zur Kanalreduktion in MR Empfangs-Systemen und entsprechende Vorrichtung
DE102009052197B4 (de) 2009-11-06 2013-06-13 Siemens Aktiengesellschaft MR-Signal-Übertragung in einer Lokalspulenanordnung
JP5225472B2 (ja) * 2009-11-30 2013-07-03 株式会社日立メディコ 高周波コイルユニット及び磁気共鳴撮像装置
US9081066B2 (en) * 2010-03-24 2015-07-14 Hoby P. Hetherington Method and apparatus for generating an effective equivalent of simultaneous transmission to a targeted tissue using a conventional transceiver array
DE102010020153A1 (de) 2010-05-11 2011-11-17 Siemens Aktiengesellschaft Kombinierbare mehrteilige Oberflächenspule für Magnetresonanztomographie
US8269499B2 (en) * 2010-06-01 2012-09-18 Quality Electrodynamics, Llc Failsafe protection from induced RF current for MRI RF coil assembly having transmit functionality
DE102010025919A1 (de) 2010-07-02 2012-01-05 Siemens Aktiengesellschaft Spule; D-Form
JP2012239723A (ja) 2011-05-20 2012-12-10 Toshiba Corp 磁気共鳴イメージング装置
CN103703384B (zh) * 2011-07-20 2016-12-14 皇家飞利浦有限公司 用于mri的感应耦合的局部并行发射线圈，其元件的每个都包括可变阻抗
US9645207B2 (en) 2011-09-28 2017-05-09 General Electric Company Adjustable MRI head coil apparatus and MRI system
DE102011083959B4 (de) * 2011-10-04 2021-02-25 Siemens Healthcare Gmbh Verfahren zur Ansteuerung eines Magnetresonanzsystems
US8918159B2 (en) * 2012-04-18 2014-12-23 Mayo Foundation For Medical Education And Research System and method for improved accelerated magnetic resonance imaging using ROI masking

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Publication number Publication date
CN104330756A (zh) 2015-02-04
US10274560B2 (en) 2019-04-30
US20150022208A1 (en) 2015-01-22
KR20150011325A (ko) 2015-01-30
DE102013214285A1 (de) 2015-01-22
JP2015020075A (ja) 2015-02-02
CN104330756B (zh) 2018-06-08

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