CN104903740B - 对极化磁场的基于体模的mr场映射 - Google Patents

对极化磁场的基于体模的mr场映射 Download PDF

Info

Publication number
CN104903740B
CN104903740B CN201380066452.3A CN201380066452A CN104903740B CN 104903740 B CN104903740 B CN 104903740B CN 201380066452 A CN201380066452 A CN 201380066452A CN 104903740 B CN104903740 B CN 104903740B
Authority
CN
China
Prior art keywords
phantom
resonance
volume
imaging system
volumes
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.)
Expired - Fee Related
Application number
CN201380066452.3A
Other languages
English (en)
Chinese (zh)
Other versions
CN104903740A (zh
Inventor
J·A·奥弗韦格
K·内尔克
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 Electronics 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 Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN104903740A publication Critical patent/CN104903740A/zh
Application granted granted Critical
Publication of CN104903740B publication Critical patent/CN104903740B/zh
Expired - Fee Related 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
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/243—Spatial mapping of the polarizing 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
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • 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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201380066452.3A 2012-12-18 2013-12-11 对极化磁场的基于体模的mr场映射 Expired - Fee Related CN104903740B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261738489P 2012-12-18 2012-12-18
US61/738,489 2012-12-18
PCT/IB2013/060809 WO2014097056A1 (en) 2012-12-18 2013-12-11 Phantom based mr field mapping of the polarizing magnetic field

Publications (2)

Publication Number Publication Date
CN104903740A CN104903740A (zh) 2015-09-09
CN104903740B true CN104903740B (zh) 2019-02-19

Family

ID=50112940

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380066452.3A Expired - Fee Related CN104903740B (zh) 2012-12-18 2013-12-11 对极化磁场的基于体模的mr场映射

Country Status (5)

Country Link
US (1) US10018690B2 (enExample)
EP (1) EP2936182B1 (enExample)
JP (1) JP6719902B2 (enExample)
CN (1) CN104903740B (enExample)
WO (1) WO2014097056A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016133204A1 (ja) * 2015-02-20 2016-08-25 株式会社日立製作所 磁場調整支援システムおよび磁場調整方法
CN108027413B (zh) 2015-09-15 2021-02-05 皇家飞利浦有限公司 一种用于校准磁共振成像(mri)体模的方法
DE102016204863B3 (de) 2016-03-23 2017-06-14 Siemens Healthcare Gmbh Verfahren zu einer Bestimmung einer Abweichung einer Homogenität eines Magnetfeldes eines Magnetresonanzgerätes
KR101758022B1 (ko) 2016-07-08 2017-07-14 중앙대학교 산학협력단 방사선 캘리브레이션용 팬텀
CN110178042A (zh) * 2017-01-12 2019-08-27 皇家飞利浦有限公司 冷头周期运动的补偿
CN109009114B (zh) * 2018-08-08 2021-04-23 北京市计量检测科学研究院 三方位磁共振成像设备图像性能检测装置
US12029594B2 (en) * 2018-08-21 2024-07-09 The Salk Institute For Biological Studies, A Corporation Of California Systems and methods for enhanced imaging and analysis
CN113050007B (zh) * 2019-12-27 2024-11-22 通用电气精准医疗有限责任公司 体模、磁共振成像系统及其主磁场、梯度场评估方法
EP4040178A1 (en) 2021-02-08 2022-08-10 Siemens Healthcare GmbH Magnetic resonance imaging device, computer-implemented method for operating a magnetic resonance imaging device, computer program and electronically readable storage medium
EP4105671A1 (de) 2021-06-16 2022-12-21 Siemens Healthcare GmbH Verfahren zur ermittlung eines magnetfeldes zumindest einer magnetspuleneinheit einer magnetresonanzvorrichtung, magnetresonanzvorrichtung und computerprogrammprodukt
EP4407334A1 (de) 2023-01-25 2024-07-31 Siemens Healthineers AG Verfahren und messvorrichtung zur vermessung eines magnetfelds in einem sichtfeld einer magnetresonanzeinrichtung

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4585992A (en) * 1984-02-03 1986-04-29 Philips Medical Systems, Inc. NMR imaging methods
IL72388A (en) 1984-07-12 1988-07-31 Elscint Ltd Nmr imaging systems
JPS61275644A (ja) * 1985-05-31 1986-12-05 Shimadzu Corp 磁場分布測定法
FR2601459B1 (fr) * 1986-07-08 1988-08-05 Thomson Cgr Fantome de machine de rmn et procede de mesure des caracteristiques d'un champ magnetique utilisant un tel fantome
US4949043A (en) 1988-04-18 1990-08-14 Resonance Research Inc. Apparatus for rendering a static magnetic field uniform
JP2907963B2 (ja) * 1990-06-21 1999-06-21 株式会社東芝 磁気共鳴モニタリング治療装置
US5351006A (en) 1992-02-07 1994-09-27 Board Of Trustees Of The Leland Stanford Junior University Method and apparatus for correcting spatial distortion in magnetic resonance images due to magnetic field inhomogeneity including inhomogeneity due to susceptibility variations
CN100366218C (zh) * 2003-05-09 2008-02-06 西门子（中国）有限公司 磁共振成像方法
US20070219443A1 (en) * 2004-09-01 2007-09-20 Koninklijke Philips Electronics N.V. Magnetic resonance marker based position and orientation probe
ATE474231T1 (de) * 2005-06-16 2010-07-15 Koninkl Philips Electronics Nv Hf-volumenspule mit wählbarem sichtfeld
CN101248458B (zh) * 2005-07-08 2012-08-15 威斯康星校友研究基金会 高约束图像重构方法
US7443164B2 (en) 2005-11-10 2008-10-28 Board Of Regents, The University Of Texas System Methods and apparatus for measuring magnetic field homogeneity
DE102006042998B4 (de) * 2006-09-13 2008-07-03 Siemens Ag Messsequenz für die dreidimensionale MR-Bildgebung sowie MR-Gerät
DE102010010196B4 (de) * 2010-03-04 2013-01-03 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Erstellung eines MR-Bilddatensatzes mit ultrakurzer Echozeit, Computerprogrammprodukt und Datenträger
DE102011006436A1 (de) * 2011-03-30 2012-10-04 Siemens Aktiengesellschaft Verfahren zur Korrektur einer Verzeichnung in einer Magnetresoanzaufnahme

Also Published As

Publication number Publication date
JP6719902B2 (ja) 2020-07-08
EP2936182B1 (en) 2023-02-08
CN104903740A (zh) 2015-09-09
EP2936182A1 (en) 2015-10-28
US20150338475A1 (en) 2015-11-26
JP2015536792A (ja) 2015-12-24
WO2014097056A1 (en) 2014-06-26
US10018690B2 (en) 2018-07-10

Similar Documents

Publication Publication Date Title
CN104903740B (zh) 对极化磁场的基于体模的mr场映射
KR101607366B1 (ko) 자기 공명 시스템 제어 시퀀스의 결정
KR101605778B1 (ko) 자기 공명 시스템 활성화 시퀀스의 결정
US8125225B2 (en) Transmit profile control in MRI
US8558547B2 (en) System and method for magnetic resonance radio-frequency field mapping
JP2015039635A (ja) 種々の形式のシムコイルを使用する磁気共鳴トモグラフィシステムの特に患者に適応した静磁場均一化方法
CN111693912B (zh) 利用磁共振断层成像设备和场照相机测量磁场分布的方法
CN103308873B (zh) 用于确定一组b1 场图的方法
CN108303661B (zh) 磁共振发射信号的校正
US8890527B1 (en) Methods of radio frequency magnetic field mapping
EP3411697A1 (en) Mri imaging system using permanent magnet array
CN101900798A (zh) 用于确定失真校正数据的方法和装置
CN103424724B (zh) 基于自动对准和覆盖的匀场图校准方法的自动定位
KR101627706B1 (ko) 자기 공명 기법에서 측정 볼륨 내의 검사 대상의 대상-특정 ｂ1 분포를 결정하는 방법, 자기 공명 시스템, 및 컴퓨터 판독가능한 기록 매체
US7443164B2 (en) Methods and apparatus for measuring magnetic field homogeneity
US12465235B2 (en) Body mold for a magnetic resonance imaging system
US10663540B2 (en) Magnetic resonance imaging (MRI) apparatus signal receiving coil including support member and coil element connected to support member
JP4535882B2 (ja) 非線形磁場勾配を用いる磁気共鳴法
JP5548895B2 (ja) 磁場補正装置及び磁場補正方法
WO2023014924A1 (en) Miniaturized magnetic field sensor
US7088098B1 (en) System, method and apparatus for tuning an RF volume coil
KR20160002548A (ko) 자기공명영상용 rf 코일 및 자기공명영상 시스템
US20240361409A1 (en) Magnetic resonance signal acquisition apparatus
JP4349646B2 (ja) 核磁気共鳴イメージング装置
JP2021045452A (ja) 磁気共鳴イメージング装置及び調整支援方法

Legal Events

Date Code Title Description
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190219