KR20150011325A - 복수의 ｔｘ 코일들의 사용 - Google Patents

복수의 ｔｘ 코일들의 사용 Download PDF

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Publication number
KR20150011325A
KR20150011325A KR20140091814A KR20140091814A KR20150011325A KR 20150011325 A KR20150011325 A KR 20150011325A KR 20140091814 A KR20140091814 A KR 20140091814A KR 20140091814 A KR20140091814 A KR 20140091814A KR 20150011325 A KR20150011325 A KR 20150011325A
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KR
South Korea
Prior art keywords
transmit coil
transmit
magnetic resonance
imaging system
resonance imaging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
KR20140091814A
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English (en)
Korean (ko)
Inventor
슈테판 비버
Original Assignee
지멘스 악티엔게젤샤프트
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Publication date
Application filed by 지멘스 악티엔게젤샤프트 filed Critical 지멘스 악티엔게젤샤프트
Publication of KR20150011325A publication Critical patent/KR20150011325A/ko
Withdrawn legal-status Critical Current

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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)
KR20140091814A 2013-07-22 2014-07-21 복수의 ｔｘ 코일들의 사용 Withdrawn KR20150011325A (ko)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
KR20150011325A true KR20150011325A (ko) 2015-01-30

Family

ID=52131417

Family Applications (1)

Application Number Title Priority Date Filing Date
KR20140091814A Withdrawn KR20150011325A (ko) 2013-07-22 2014-07-21 복수의 ｔｘ 코일들의 사용

Country Status (5)

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

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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

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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
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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

Also Published As

Publication number Publication date
CN104330756A (zh) 2015-02-04
US10274560B2 (en) 2019-04-30
US20150022208A1 (en) 2015-01-22
JP6463608B2 (ja) 2019-02-06
DE102013214285A1 (de) 2015-01-22
JP2015020075A (ja) 2015-02-02
CN104330756B (zh) 2018-06-08

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PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20140721

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid