CN103733083B - 采集成像区域内受检者的磁共振数据的系统及操作方法 - Google Patents

采集成像区域内受检者的磁共振数据的系统及操作方法 Download PDF

Info

Publication number
CN103733083B
CN103733083B CN201280039731.6A CN201280039731A CN103733083B CN 103733083 B CN103733083 B CN 103733083B CN 201280039731 A CN201280039731 A CN 201280039731A CN 103733083 B CN103733083 B CN 103733083B
Authority
CN
China
Prior art keywords
radio frequency
magnetic resonance
imaging system
resonance imaging
input drive
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.)
Active
Application number
CN201280039731.6A
Other languages
English (en)
Chinese (zh)
Other versions
CN103733083A (zh
Inventor
H·H·霍曼
I·格雷斯林
U·卡切尔
T·R·福格特
O·H·德塞尔
S·A·塞茨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN103733083A publication Critical patent/CN103733083A/zh
Application granted granted Critical
Publication of CN103733083B publication Critical patent/CN103733083B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • G01R33/288—Provisions within MR facilities for enhancing safety during MR, e.g. reduction of the specific absorption rate [SAR], detection of ferromagnetic objects in the scanner room
    • 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
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • G01R33/5612—Parallel RF transmission, i.e. RF pulse transmission using a plurality of independent transmission 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
    • G01R33/285—Invasive instruments, e.g. catheters or biopsy needles, specially adapted for tracking, guiding or visualization by NMR

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201280039731.6A 2011-08-17 2012-08-15 采集成像区域内受检者的磁共振数据的系统及操作方法 Active CN103733083B (zh)

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 (2)

Publication Number Publication Date
CN103733083A CN103733083A (zh) 2014-04-16
CN103733083B true CN103733083B (zh) 2016-10-26

Family

ID=47178771

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280039731.6A Active CN103733083B (zh) 2011-08-17 2012-08-15 采集成像区域内受检者的磁共振数据的系统及操作方法

Country Status (6)

Country Link
US (1) US9702950B2 (enExample)
EP (1) EP2745133B1 (enExample)
JP (1) JP6169573B2 (enExample)
CN (1) CN103733083B (enExample)
MX (1) MX2014001716A (enExample)
WO (1) WO2013024449A1 (enExample)

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
EP3080635A1 (en) * 2013-12-10 2016-10-19 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
EP3207392B1 (en) 2014-10-17 2020-09-02 Koninklijke Philips N.V. Spatially resolved metal detector
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
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
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
US10753991B2 (en) * 2016-04-13 2020-08-25 King's College London Method and system for magnetic resonance imaging
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
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
US10866118B2 (en) 2018-06-18 2020-12-15 Allegro Microsystems, Llc High resolution magnetic field sensors
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080157765A1 (en) * 2006-12-28 2008-07-03 Joerg Ulrich Fontius Method and device for monitoring radio-frequency exposure in a magnetic resonance measurement
CN101438959A (zh) * 2007-11-22 2009-05-27 株式会社东芝 磁共振成像装置以及rf线圈
US20100237869A1 (en) * 2009-03-20 2010-09-23 Case Western Reserve University Controlling Multi-Channel Transmitter Effects on Specific Absorption Rate
CN101856228A (zh) * 2009-04-03 2010-10-13 株式会社东芝 磁共振成像装置
CN102100555A (zh) * 2009-12-17 2011-06-22 株式会社东芝 磁共振成像装置及磁共振成像方法
US20110156704A1 (en) * 2008-09-17 2011-06-30 Koninklijke Philips Electronics N.V. B1-mapping and b1l-shimming for mri

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7403004B2 (en) 2003-10-31 2008-07-22 Koninklijke Philips Electronics N.V. B1 field control in magnetic resonance imaging
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
CN101981463A (zh) 2008-03-26 2011-02-23 皇家飞利浦电子股份有限公司 活体内局部sar的确定和电导率映射
WO2009128013A1 (en) * 2008-04-16 2009-10-22 Koninklijke Philips Electronics N.V. Real-time local and global sar estimation for patient safety and improved scanning performance
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
US8224609B2 (en) * 2009-03-20 2012-07-17 Griswold Mark A Excitation uniformity
CN102369451B (zh) * 2009-03-31 2015-02-25 皇家飞利浦电子股份有限公司 加速的Bi绘图
US8319496B2 (en) * 2009-04-01 2012-11-27 Yigitcan Eryaman Magnetic resonance method and apparatus for reducing RF heating in the patient
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
US20120161766A1 (en) 2009-09-17 2012-06-28 Koninklijke Philips Electronics N.V. Concurrent optimization of rf power and rf field uniformity in mri
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080157765A1 (en) * 2006-12-28 2008-07-03 Joerg Ulrich Fontius Method and device for monitoring radio-frequency exposure in a magnetic resonance measurement
CN101438959A (zh) * 2007-11-22 2009-05-27 株式会社东芝 磁共振成像装置以及rf线圈
US20110156704A1 (en) * 2008-09-17 2011-06-30 Koninklijke Philips Electronics N.V. B1-mapping and b1l-shimming for mri
US20100237869A1 (en) * 2009-03-20 2010-09-23 Case Western Reserve University Controlling Multi-Channel Transmitter Effects on Specific Absorption Rate
CN101856228A (zh) * 2009-04-03 2010-10-13 株式会社东芝 磁共振成像装置
CN102100555A (zh) * 2009-12-17 2011-06-22 株式会社东芝 磁共振成像装置及磁共振成像方法

Also Published As

Publication number Publication date
MX2014001716A (es) 2014-03-21
WO2013024449A1 (en) 2013-02-21
JP6169573B2 (ja) 2017-07-26
US9702950B2 (en) 2017-07-11
EP2745133B1 (en) 2022-03-09
EP2745133A1 (en) 2014-06-25
CN103733083A (zh) 2014-04-16
JP2014525812A (ja) 2014-10-02
US20140210472A1 (en) 2014-07-31

Similar Documents

Publication Publication Date Title
CN103733083B (zh) 采集成像区域内受检者的磁共振数据的系统及操作方法
EP2519830B1 (en) Method for calculating local specific energy absorption rate (SAR) in nuclear magnetic resonance
CN106659423B (zh) 均匀场区域内的磁共振成像天线的定位
EP3600101B1 (en) Locating ablated tissues using electric properties tomography
US10591562B2 (en) Bone MRI using B0 inhomogeneity map and a subject magnetic susceptibility map
CN111247447B (zh) 磁共振成像系统及其操作方法
CN103649766B (zh) 用于mr成像引导的介入的个性化rf线圈阵列
US8878534B2 (en) Method and device to determine a magnetic resonance system activation sequence
Tatebe et al. Influence of geometric and material properties on artifacts generated by interventional MRI devices: Relevance to PRF‐shift thermometry
EP4566529A1 (en) Systems and methods for electrical properties tomography
KR101480413B1 (ko) B1 정보 획득 방법 및 장치
EP4306983A1 (en) Making anatomical measurements using magnetic resonance imaging
EP4607229A1 (en) Systems and methods of anisotropy evaluation with electrical properties tomography
US20240151788A1 (en) Magnetic resonance system and magnetic resonance scanning control method
EP4074253A1 (en) Segmentation using multiple image contrasts
JP2021518222A (ja) 導電率の（３−ｎ）次元特定

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant