GB2521789B - Metal resistant MR imaging reference scan - Google Patents

Metal resistant MR imaging reference scan Download PDF

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Publication number
GB2521789B
GB2521789B GB1507413.1A GB201507413A GB2521789B GB 2521789 B GB2521789 B GB 2521789B GB 201507413 A GB201507413 A GB 201507413A GB 2521789 B GB2521789 B GB 2521789B
Authority
GB
United Kingdom
Prior art keywords
reference scan
imaging reference
metal resistant
resistant
metal
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
GB1507413.1A
Other languages
English (en)
Other versions
GB201507413D0 (en
GB2521789A (en
Inventor
Nehrke Kay
Boernert Peter
Michiel Den Harder Johan
Hendrik Rozijn Thomas
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 GB201507413D0 publication Critical patent/GB201507413D0/en
Publication of GB2521789A publication Critical patent/GB2521789A/en
Application granted granted Critical
Publication of GB2521789B publication Critical patent/GB2521789B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • 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
    • G01R33/246—Spatial mapping of the RF magnetic field B1
    • 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
    • G01R33/32—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
    • G01R33/38—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
    • G01R33/54—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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Signal Processing (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GB1507413.1A 2012-10-02 2013-09-11 Metal resistant MR imaging reference scan Expired - Fee Related GB2521789B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261708680P 2012-10-02 2012-10-02
PCT/IB2013/058447 WO2014053927A1 (en) 2012-10-02 2013-09-11 Metal resistant mr imaging reference scan

Publications (3)

Publication Number Publication Date
GB201507413D0 GB201507413D0 (en) 2015-06-17
GB2521789A GB2521789A (en) 2015-07-01
GB2521789B true GB2521789B (en) 2020-02-26

Family

ID=49585456

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1507413.1A Expired - Fee Related GB2521789B (en) 2012-10-02 2013-09-11 Metal resistant MR imaging reference scan

Country Status (8)

Country Link
US (1) US9977108B2 (enExample)
JP (1) JP6275148B2 (enExample)
CN (1) CN104685368B (enExample)
BR (1) BR112015007079A2 (enExample)
DE (1) DE112013004852T5 (enExample)
GB (1) GB2521789B (enExample)
RU (1) RU2015116879A (enExample)
WO (1) WO2014053927A1 (enExample)

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US10156625B2 (en) * 2013-08-12 2018-12-18 Koninklijke Philips N.V. MR imaging with B1 mapping
EP3044604B1 (en) * 2013-09-10 2021-08-18 Koninklijke Philips N.V. Metal resistant mr imaging
JP6496311B2 (ja) * 2013-10-21 2019-04-03 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 温度マッピングを伴うｍｒイメージング
DE112015005479B4 (de) * 2014-12-04 2024-09-19 General Electric Company Verfahren und System zur verbesserten Klassifizierung von Bestandsmaterialien
WO2016096623A1 (en) * 2014-12-15 2016-06-23 Koninklijke Philips N.V. Spin echo mr imaging
US10591565B2 (en) 2015-05-13 2020-03-17 Koninklijke Philips N.V. Parallel MR imaging with RF coil sensitivity mapping
CN105388435B (zh) * 2015-12-29 2018-09-18 沈阳东软医疗系统有限公司 一种磁共振成像系统射频线圈的调谐装置及方法
CN109791187B (zh) * 2016-08-25 2022-03-29 皇家飞利浦有限公司 用于b0校正灵敏度编码磁共振成像的系统和方法
EP3413074A1 (en) * 2017-06-09 2018-12-12 Koninklijke Philips N.V. Parallel multi-slice mr imaging
CN108324275B (zh) * 2018-01-03 2021-05-28 上海东软医疗科技有限公司 一种磁共振成像信号和波谱信号的采集方法和装置
EP3531154A1 (en) * 2018-02-22 2019-08-28 Koninklijke Philips N.V. Dixon mr imaging using a multi-gradient-echo sequence
WO2020068137A1 (en) * 2018-09-28 2020-04-02 Siemens Healthcare Gmbh Method for recording diagnostic measurement data of a knee of an examination object in knee imaging by means of a magnetic resonance device
EP3730962A1 (en) * 2019-04-23 2020-10-28 Koninklijke Philips N.V. Parallel mr imaging using wave-encoding
EP3709042A1 (en) * 2019-03-14 2020-09-16 Koninklijke Philips N.V. Mr imaging using a 3d radial or spiral acquisition with soft motion gating
DE102019207558A1 (de) * 2019-05-23 2020-11-26 Siemens Healthcare Gmbh Verfahren zur Aufnahme von Magnetresonanzdaten, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger
DE102020212183A1 (de) * 2020-09-28 2022-03-31 Siemens Healthcare Gmbh Verfahren zur Erstellung von diffusionsgewichteten und nicht-diffusionsgewichteten Messdaten mittels Magnetresonanz
DE102020212281B4 (de) * 2020-09-29 2022-05-12 Siemens Healthcare Gmbh Verfahren zur zeitsparenden Erzeugung einer B0-Karte basierend auf einer Doppelecho-Sequenz mit stimulierten Echos und Magnetresonanzvorrichtung

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US20070182410A1 (en) * 2004-01-15 2007-08-09 Niemi Anne K Coil sensitivity estimation for parallel imaging
US20100240984A1 (en) * 2007-11-08 2010-09-23 Koninklijke Philips Electronics N.V. Method of performing an mri reference scan
US20120001633A1 (en) * 2009-03-25 2012-01-05 Koninklijke Philips Electronics N.V. Mr imaging using parallel signal acquisition
EP2461175A1 (en) * 2010-12-02 2012-06-06 Koninklijke Philips Electronics N.V. MR imaging using a multi-point Dixon technique

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US20100240984A1 (en) * 2007-11-08 2010-09-23 Koninklijke Philips Electronics N.V. Method of performing an mri reference scan
US20120001633A1 (en) * 2009-03-25 2012-01-05 Koninklijke Philips Electronics N.V. Mr imaging using parallel signal acquisition
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Also Published As

Publication number Publication date
JP6275148B2 (ja) 2018-02-07
GB201507413D0 (en) 2015-06-17
BR112015007079A2 (pt) 2017-07-04
JP2015530175A (ja) 2015-10-15
DE112013004852T5 (de) 2015-06-18
CN104685368B (zh) 2017-09-05
US20150253406A1 (en) 2015-09-10
RU2015116879A (ru) 2016-11-27
CN104685368A (zh) 2015-06-03
WO2014053927A1 (en) 2014-04-10
US9977108B2 (en) 2018-05-22
GB2521789A (en) 2015-07-01

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20221208

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230911