JP2014525812A5 - - Google Patents

Download PDF

Info

Publication number
JP2014525812A5
JP2014525812A5 JP2014525552A JP2014525552A JP2014525812A5 JP 2014525812 A5 JP2014525812 A5 JP 2014525812A5 JP 2014525552 A JP2014525552 A JP 2014525552A JP 2014525552 A JP2014525552 A JP 2014525552A JP 2014525812 A5 JP2014525812 A5 JP 2014525812A5
Authority
JP
Japan
Prior art keywords
radio frequency
magnetic resonance
imaging system
input drive
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.)
Granted
Application number
JP2014525552A
Other languages
English (en)
Japanese (ja)
Other versions
JP2014525812A (ja
JP6169573B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/IB2012/054163 external-priority patent/WO2013024449A1/en
Publication of JP2014525812A publication Critical patent/JP2014525812A/ja
Publication of JP2014525812A5 publication Critical patent/JP2014525812A5/ja
Application granted granted Critical
Publication of JP6169573B2 publication Critical patent/JP6169573B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2014525552A 2011-08-17 2012-08-15 磁気共鳴撮像中における既定の体積内の無線周波数伝送場の減少 Active JP6169573B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161524369P 2011-08-17 2011-08-17
US61/524,369 2011-08-17
PCT/IB2012/054163 WO2013024449A1 (en) 2011-08-17 2012-08-15 Reducing the radio-frequency transmit field in a predetermined volume during magnetic resonance imaging

Publications (3)

Publication Number Publication Date
JP2014525812A JP2014525812A (ja) 2014-10-02
JP2014525812A5 true JP2014525812A5 (cg-RX-API-DMAC7.html) 2015-09-24
JP6169573B2 JP6169573B2 (ja) 2017-07-26

Family

ID=47178771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014525552A Active JP6169573B2 (ja) 2011-08-17 2012-08-15 磁気共鳴撮像中における既定の体積内の無線周波数伝送場の減少

Country Status (6)

Country Link
US (1) US9702950B2 (cg-RX-API-DMAC7.html)
EP (1) EP2745133B1 (cg-RX-API-DMAC7.html)
JP (1) JP6169573B2 (cg-RX-API-DMAC7.html)
CN (1) CN103733083B (cg-RX-API-DMAC7.html)
MX (1) MX2014001716A (cg-RX-API-DMAC7.html)
WO (1) WO2013024449A1 (cg-RX-API-DMAC7.html)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012215255B3 (de) * 2012-08-28 2014-02-27 Siemens Aktiengesellschaft Ansteuerung eines Magnetresonanzsystems unter Berücksichtigung aktueller komponentenbedingter B1-Feld-Maximalwerte
DE102013206055A1 (de) * 2013-04-05 2014-10-09 Siemens Aktiengesellschaft Verfahren und Lokalspulensystem zur Erzeugung eines Magnetresonanz-Hochfrequenz-Feldes
DE102013206326B4 (de) * 2013-04-10 2014-11-20 Siemens Aktiengesellschaft Betriebsverfahren für eine Magnetresonanzanlage mit mehreren Sendeantennen
DE102014206011A1 (de) * 2013-07-02 2015-01-08 Siemens Aktiengesellschaft Verfahren zur Aufnahme von Magnetresonanzdaten eines ein Metallobjekt enthaltenden Zielbereichs und Magnetresonanzeinrichtung
KR101666522B1 (ko) * 2013-09-25 2016-10-24 삼성전자 주식회사 자기공명영상 장치
US10353023B2 (en) * 2013-12-10 2019-07-16 Koninklijke Philips N.V. Calculating MRI RF coil sensitivities using interpolation into an enlarged field of view
US9891257B2 (en) 2014-08-06 2018-02-13 Hand Held Products, Inc. Testing system and method using electromagnetic near field measurements
CN107003258B (zh) 2014-10-17 2019-11-05 皇家飞利浦有限公司 空间分辨的金属探测器
US11266444B2 (en) 2015-02-06 2022-03-08 University Of Houston System External fixation device with absorption material for reducing radiofrequency induced heat transfer and method thereof
JP2018507762A (ja) * 2015-02-06 2018-03-22 チェン、ジChen, Ji 高周波誘起された加熱を低減するために吸収材料を使用する外部固定器具
CN106175765B (zh) * 2015-04-29 2021-02-09 Ge医疗系统环球技术有限公司 磁共振成像系统及方法
US10672520B1 (en) * 2016-03-02 2020-06-02 AltaSim Technologies, LLC Precision medicine approach to improving patient safety and access to MRI
EP3443371B1 (en) 2016-04-13 2023-02-15 King's College London Parallel transmit rf power control for nmr imaging of a subject and of invasive conductive objects.
CN108627783B (zh) 2017-03-23 2022-01-14 通用电气公司 射频线圈阵列及磁共振成像发射阵列
US10908229B2 (en) 2018-06-18 2021-02-02 Allegro Microsystems, Llc Regulation of coefficients used in magnetic field sensor virtual signal generation
US10866118B2 (en) 2018-06-18 2020-12-15 Allegro Microsystems, Llc High resolution magnetic field sensors
US10598739B2 (en) * 2018-06-18 2020-03-24 Allegro Microsystems, Llc Magnetic field sensors having virtual signals
US10578679B2 (en) * 2018-06-18 2020-03-03 Allegro Microsystems, Llc Magnetic field sensors having virtual signals
EP3591418A1 (en) * 2018-07-03 2020-01-08 Koninklijke Philips N.V. Mri method for b0-mapping
CN112345989B (zh) * 2020-11-18 2024-05-28 中国科学院电工研究所 一种肿瘤组织磁特性成像方法
US11762043B2 (en) 2021-03-11 2023-09-19 Allegro Microsystems, Llc High resolution magnetic field sensors

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100568015C (zh) 2003-10-31 2009-12-09 皇家飞利浦电子股份有限公司 磁共振成像中的b1场控制
US6940282B2 (en) * 2003-12-19 2005-09-06 General Electric Company Switchable transmit array coil
US6982554B2 (en) 2004-04-29 2006-01-03 General Electric Company System and method for operating transmit or transmit/receive elements in an MR system
JP2009511106A (ja) * 2005-10-07 2009-03-19 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 マルチチャネル送信磁気共鳴
US7385396B2 (en) * 2006-04-20 2008-06-10 General Electric Company SAR reduction in MR imaging with parallel RF transmission
US20080154348A1 (en) 2006-12-18 2008-06-26 Ergin Atalar Mri compatible implantable devices
DE102006061740A1 (de) * 2006-12-28 2008-07-10 Siemens Ag Verfahren und Kontrolleinrichtung zur Kontrolle der Hochfrequenzbelastung bei einer Magnetresonanzmessung
JP5502304B2 (ja) * 2007-11-22 2014-05-28 株式会社東芝 磁気共鳴イメージング装置およびｒｆコイル
JP2011515179A (ja) * 2008-03-26 2011-05-19 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 生体内局所ｓａｒ及び電気伝導度マッピングの決定
US8941380B2 (en) 2008-04-16 2015-01-27 Koninkijke Philips N.V. Real-time local and global SAR estimation for patient safety and improved scanning performance
CN102159965B (zh) * 2008-09-17 2014-09-24 皇家飞利浦电子股份有限公司 用于mri的b1映射和b1l匀场
US8294461B2 (en) * 2009-01-15 2012-10-23 The Board Of Trustees Of The Leland Stanford Junior University Reverse circularly polarized non-tissue damaging RF in MRI detection of coupled RF current producing objects in a body
US8049499B2 (en) 2009-03-20 2011-11-01 Case Western Reserve University Controlling multi-channel transmitter effects on specific absorption rate
US8224609B2 (en) * 2009-03-20 2012-07-17 Griswold Mark A Excitation uniformity
JP5525596B2 (ja) * 2009-03-31 2014-06-18 コーニンクレッカ フィリップス エヌ ヴェ 加速ｂ１マッピング
US8319496B2 (en) * 2009-04-01 2012-11-27 Yigitcan Eryaman Magnetic resonance method and apparatus for reducing RF heating in the patient
JP5624346B2 (ja) * 2009-04-03 2014-11-12 株式会社東芝 磁気共鳴イメージング装置
US20110066028A1 (en) 2009-09-11 2011-03-17 Pacesetter, Inc. Systems and methods for remote monitoring of implantable medical device lead temperatures during an mri procedure
EP2478384A1 (en) * 2009-09-17 2012-07-25 Koninklijke Philips Electronics N.V. Concurrent optimization of rf power and rf field uniformity in mri
JP5597515B2 (ja) * 2009-12-17 2014-10-01 株式会社東芝 磁気共鳴イメージング装置、および、磁気共鳴イメージング方法
EP2343567A1 (en) * 2009-12-31 2011-07-13 Koninklijke Philips Electronics N.V. Method for calculating local specific energy absorption rate (SAR) in nuclear magnetic resonance
EP2624004A1 (en) * 2012-02-06 2013-08-07 Koninklijke Philips Electronics N.V. Temperature determination using magnetic resonance B1 field mapping

Similar Documents

Publication Publication Date Title
JP2014525812A5 (cg-RX-API-DMAC7.html)
JP6351640B2 (ja) 磁気共鳴イメージング用の多素子ｒｆ送信コイル
MX2014001716A (es) Reduccion del campo de transmision de radiofrecuencia en un volumen predeterminado durante la formacion de imagenes de resonancia magnetica.
JP6461592B2 (ja) 磁気に基づく体内プローブ追跡システムのための薄型位置特定パッド
WO2013006709A3 (en) Comprehensive cardiovascular analysis with volumetric phase-contrast mri
US20160015292A1 (en) Magnetic tracker system and method for use for surgical navigation
RU2017135047A (ru) Способ и устройство для магнитно-резонансной томографии с рч-шумами
WO2014033591A1 (en) Motion tracking based on fast image acquisition
JP2013192941A5 (cg-RX-API-DMAC7.html)
WO2013001399A3 (en) Bone mri using an ultrashort echo time pulse sequence with fid and multiple gradient echo acquisition and water - fat separation processing
JP2016514993A5 (cg-RX-API-DMAC7.html)
JP2013099392A5 (cg-RX-API-DMAC7.html)
RU2014142554A (ru) Интерполированные трехмерные оценки тепловой дозы с использованием магнитно-резонансной томографии
JP2015027417A5 (cg-RX-API-DMAC7.html)
CN104334077A (zh) 沿着能量递送设备轴的磁共振成像
KR20180088156A (ko) 체내 이식형 혈당 측정 장치 및 방법
JP2016067937A5 (cg-RX-API-DMAC7.html)
JP2016532105A5 (cg-RX-API-DMAC7.html)
JP2016508399A5 (cg-RX-API-DMAC7.html)
JP2019532728A5 (cg-RX-API-DMAC7.html)
US9625555B2 (en) Apparatus, method, and magnetic resonance imaging system for shimming B1 magnetic field using RF transceiver coil and RF receiver coil
RU2015138916A (ru) Интервенционная система
US10492731B2 (en) Method and apparatus for focusing microwave and thermally imaging for biological tissue
WO2015011584A3 (en) Differentiating tissues with mri using multi-echo ultra-short te (ute) with mdixon pulse sequence
WO2012106574A3 (en) Cardiac mri curvilinear tagging