AU2013351916A1 - Improvements to magnetic resonance imaging - Google Patents

Improvements to magnetic resonance imaging Download PDF

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Publication number
AU2013351916A1
AU2013351916A1 AU2013351916A AU2013351916A AU2013351916A1 AU 2013351916 A1 AU2013351916 A1 AU 2013351916A1 AU 2013351916 A AU2013351916 A AU 2013351916A AU 2013351916 A AU2013351916 A AU 2013351916A AU 2013351916 A1 AU2013351916 A1 AU 2013351916A1
Authority
AU
Australia
Prior art keywords
phase
fat
chemical species
signal
peak
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.)
Abandoned
Application number
AU2013351916A
Other languages
English (en)
Inventor
Paul Clark
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.)
MAGNEPATH Pty Ltd
Original Assignee
MAGNEPATH Pty Ltd
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
Priority claimed from AU2012905226A external-priority patent/AU2012905226A0/en
Application filed by MAGNEPATH Pty Ltd filed Critical MAGNEPATH Pty Ltd
Priority to AU2013351916A priority Critical patent/AU2013351916A1/en
Publication of AU2013351916A1 publication Critical patent/AU2013351916A1/en
Abandoned legal-status Critical Current

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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat imaging
    • 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
    • G01R33/44—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
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4869—Determining body composition

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
AU2013351916A 2012-11-30 2013-11-27 Improvements to magnetic resonance imaging Abandoned AU2013351916A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2013351916A AU2013351916A1 (en) 2012-11-30 2013-11-27 Improvements to magnetic resonance imaging

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU2012905226 2012-11-30
AU2012905226A AU2012905226A0 (en) 2012-11-30 Improvements to magnetic resonance imaging
AU2013351916A AU2013351916A1 (en) 2012-11-30 2013-11-27 Improvements to magnetic resonance imaging
PCT/AU2013/001379 WO2014082128A1 (en) 2012-11-30 2013-11-27 Improvements to magnetic resonance imaging

Publications (1)

Publication Number Publication Date
AU2013351916A1 true AU2013351916A1 (en) 2015-07-02

Family

ID=50826960

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2013351916A Abandoned AU2013351916A1 (en) 2012-11-30 2013-11-27 Improvements to magnetic resonance imaging

Country Status (7)

Country Link
US (1) US10274565B2 (enExample)
EP (1) EP2925224A4 (enExample)
JP (1) JP6404225B2 (enExample)
KR (1) KR20150091095A (enExample)
CN (1) CN104902815B (enExample)
AU (1) AU2013351916A1 (enExample)
WO (1) WO2014082128A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150091095A (ko) * 2012-11-30 2015-08-07 마그네패스 피티와이 엘티디 자기 공명 영상에 대한 개선점들
EP3835803B1 (en) 2019-12-13 2024-03-27 Siemens Healthineers AG System and method for estimating a relative substance composition of a portion of a body of a patient
CN111239657B (zh) * 2020-01-20 2022-05-06 上海东软医疗科技有限公司 谱图的相位校正方法、装置及设备
US11275139B1 (en) * 2021-03-17 2022-03-15 Siemens Healthcare Gmbh System and method for automated identification of spectral characteristics
JP7680978B2 (ja) * 2022-03-14 2025-05-21 富士フイルム株式会社 磁気共鳴イメージング装置、画像処理装置、及び、信号分離方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3534669B2 (ja) * 2000-01-27 2004-06-07 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 磁気共鳴撮像装置
JP3976515B2 (ja) * 2001-04-11 2007-09-19 株式会社日立メディコ 磁気共鳴イメージング装置及び画像処理方法
JP3968352B2 (ja) * 2004-02-03 2007-08-29 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 Ｍｒｉ装置
JP2006149583A (ja) * 2004-11-26 2006-06-15 Kanazawa Univ データ処理装置、データ処理方法、そのデータ処理装置又はデータ処理方法に用いられるエコー画像データを得るための磁気共鳴撮像装置、及び、磁気共鳴撮像方法。
US7689265B2 (en) * 2005-10-19 2010-03-30 Siemens Medical Solutions Usa, Inc. System and method for the joint evaluation of multi phase MR marrow images
JP5072250B2 (ja) * 2006-04-04 2012-11-14 株式会社東芝 磁気共鳴イメージング装置
US7468605B2 (en) * 2006-04-25 2008-12-23 The Board Of Trustees Of The Leland Stanford Junior University Simultaneous chemical species separation and T2* measurement using MRI
TW200922528A (en) * 2007-11-20 2009-06-01 Univ Nat Taiwan Science Tech Method and apparatus for modifying ultrasonic tissue harmonic amplitude
US20110140696A1 (en) * 2009-12-15 2011-06-16 Huanzhou Yu System and method for quantitative species signal separation using mr imaging
KR101133977B1 (ko) * 2010-01-15 2012-04-05 광운대학교 산학협력단 물 및 지방 분리 자기 공명 영상 방법 및 장치
US8787639B2 (en) * 2010-03-03 2014-07-22 Hitachi Medical Corporation Magnetic resonance imaging device
US8373415B2 (en) 2010-04-15 2013-02-12 Wisconsin Alumni Research Foundation Method for separating magnetic resonance imaging signals using spectral distinction of species
CN102232830B (zh) * 2010-04-30 2014-09-03 西门子(深圳)磁共振有限公司 一种磁共振成像水脂分离方法
EP2618731B1 (en) * 2010-09-20 2017-12-20 Koninklijke Philips N.V. Magnetic resonance imaging of chemical species
KR20150091095A (ko) * 2012-11-30 2015-08-07 마그네패스 피티와이 엘티디 자기 공명 영상에 대한 개선점들
WO2014176154A1 (en) * 2013-04-22 2014-10-30 General Electric Company System and method for image intensity bias estimation and tissue segmentation
WO2015028481A1 (en) * 2013-08-30 2015-03-05 Koninklijke Philips N.V. Dixon magnetic resonance imaging

Also Published As

Publication number Publication date
US20150285883A1 (en) 2015-10-08
KR20150091095A (ko) 2015-08-07
US10274565B2 (en) 2019-04-30
CN104902815A (zh) 2015-09-09
CN104902815B (zh) 2018-03-13
EP2925224A4 (en) 2017-07-19
JP6404225B2 (ja) 2018-10-10
JP2016501590A (ja) 2016-01-21
WO2014082128A1 (en) 2014-06-05
EP2925224A1 (en) 2015-10-07

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Legal Events

Date Code Title Description
MK5 Application lapsed section 142(2)(e) - patent request and compl. specification not accepted