AU2020264065A1 - A method of performing diffusion weighted magnetic resonance measurements - Google Patents

A method of performing diffusion weighted magnetic resonance measurements Download PDF

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Publication number
AU2020264065A1
AU2020264065A1 AU2020264065A AU2020264065A AU2020264065A1 AU 2020264065 A1 AU2020264065 A1 AU 2020264065A1 AU 2020264065 A AU2020264065 A AU 2020264065A AU 2020264065 A AU2020264065 A AU 2020264065A AU 2020264065 A1 AU2020264065 A1 AU 2020264065A1
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AU
Australia
Prior art keywords
encoding
along
encoding block
diffusion
magnetic field
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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
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AU2020264065A
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English (en)
Inventor
Samo LASIC
Markus Nilsson
Filip SZCZEPANKIEWICZ
Irvin TEH
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Random Walk Imaging AB
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Random Walk Imaging AB
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Publication date
Application filed by Random Walk Imaging AB filed Critical Random Walk Imaging AB
Publication of AU2020264065A1 publication Critical patent/AU2020264065A1/en
Assigned to RANDOM WALK IMAGING AB reassignment RANDOM WALK IMAGING AB Request for Assignment Assignors: CR DEVELOPMENT AB
Abandoned legal-status Critical Current

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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
    • G01R33/54—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
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56341—Diffusion 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56509—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to motion, displacement or flow, e.g. gradient moment nulling
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10088—Magnetic resonance imaging [MRI]
    • G06T2207/10092—Diffusion tensor magnetic resonance imaging [DTI]

Landscapes

  • 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)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Vascular Medicine (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)
AU2020264065A 2019-04-26 2020-04-24 A method of performing diffusion weighted magnetic resonance measurements Abandoned AU2020264065A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE1950507A SE543292C2 (en) 2019-04-26 2019-04-26 A method of performing diffusion weighted magnetic resonance measurements
SE1950507-2 2019-04-26
PCT/SE2020/050414 WO2020218966A1 (en) 2019-04-26 2020-04-24 A method of performing diffusion weighted magnetic resonance measurements

Publications (1)

Publication Number Publication Date
AU2020264065A1 true AU2020264065A1 (en) 2021-11-25

Family

ID=72941152

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2020264065A Abandoned AU2020264065A1 (en) 2019-04-26 2020-04-24 A method of performing diffusion weighted magnetic resonance measurements

Country Status (10)

Country Link
US (2) US11747423B2 (https=)
EP (1) EP3959531B1 (https=)
JP (1) JP7500608B2 (https=)
KR (1) KR102857970B1 (https=)
CN (1) CN113811783B (https=)
AU (1) AU2020264065A1 (https=)
BR (1) BR112021021379A8 (https=)
CA (1) CA3138172A1 (https=)
SE (1) SE543292C2 (https=)
WO (1) WO2020218966A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE543292C2 (en) * 2019-04-26 2020-11-17 Cr Dev Ab A method of performing diffusion weighted magnetic resonance measurements
DE102020205692A1 (de) * 2020-05-06 2021-11-11 Siemens Healthcare Gmbh Verfahren zur Diffusionsbildgebung mit einer Magnetresonanzeinrichtung, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger
US12444526B2 (en) * 2023-03-31 2025-10-14 The University Of New Brunswick Methods of dynamic mechanical analysis using nuclear magnetic resonance

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6078176A (en) * 1996-11-08 2000-06-20 General Electric Company Fast spin echo pulse sequence for diffusion weighted imaging
CA2373536C (en) * 1999-05-21 2009-02-10 The Government Of The United States Of America Determination of an empirical statistical distribution of the diffusion tensor in mri
DE102009019895B4 (de) 2009-05-04 2011-05-12 Siemens Aktiengesellschaft Verfahren und Magnetresonanzanlage zur diffusionsgewichteten Aufnahme von MR-Signalen
US8760163B2 (en) * 2011-05-10 2014-06-24 Isis Innovation Limited Diffusion-weighted magnetic resonance imaging using 3D mosaic segmentation and 3D navigator phase correction
WO2013025487A1 (en) 2011-08-12 2013-02-21 The United States Of America, As Represented By The Secretary, Dpt Of Health And Human Services Spin echo sequences for diffusion weighted imaging of moving media
US9687172B2 (en) * 2012-01-24 2017-06-27 National Institute of Health (NIH), The United States of America, U.S. Dept. of Health and Human Services (DHHS) System for motion corrected MR diffusion imaging
KR102292673B1 (ko) * 2014-02-10 2021-08-23 씨알 디벨로프먼트 에이비 샘플 내의 등방성 확산 및/또는 이방성 확산을 정량화하기 위한 방법
DE102015205693A1 (de) 2015-03-30 2016-10-06 Siemens Healthcare Gmbh Geschwindigkeitskompensierte diffusionssensibilisierte Diffusionsbildgebung
US10109081B2 (en) * 2015-05-13 2018-10-23 The Royal Institution For The Advancement Of Learneng / Mggill University Recovery of missing information in diffusion magnetic resonance imaging data
SE538834C2 (sv) * 2015-12-29 2016-12-20 Cr Dev Ab Method of extracting information about a sample by nuclear magnetic resonance measurements
US10677870B2 (en) 2016-01-25 2020-06-09 The Regents Of The University Of California System and method for optimized diffusion-weighted imaging
DE102016202254B4 (de) 2016-02-15 2017-11-30 Siemens Healthcare Gmbh Modellfreies Ermitteln von Bildbereichen mit anomaler Diffusion anhand von diffusionsgewichteten Magnetresonanzbilddaten
EP3538909A4 (en) * 2016-11-09 2020-07-15 CR Development AB METHOD FOR PERFORMING WEIGHTED MAGNETIC RESONANCE MEASUREMENTS ON A SAMPLE
EP3299836B1 (de) * 2017-05-31 2024-09-25 Siemens Healthineers AG Lokale korrektur von gradienten-nichtlinearitäten in der diffusionsgewichteten mrt
US10816630B2 (en) 2017-06-26 2020-10-27 Ohio State Innovation Foundation Method for computing optimal diffusion encoding gradient waveforms for MRI
US10545211B2 (en) * 2017-06-28 2020-01-28 Synaptive Medical (Barbados) Inc. Method of correcting gradient nonuniformity in gradient motion sensitive imaging applications
AU2018329432A1 (en) * 2017-09-07 2020-03-12 Random Walk Imaging Ab Method for performing diffusion weighted magnetic resonance measurements
SE543292C2 (en) * 2019-04-26 2020-11-17 Cr Dev Ab A method of performing diffusion weighted magnetic resonance measurements

Also Published As

Publication number Publication date
KR20220005040A (ko) 2022-01-12
US11747423B2 (en) 2023-09-05
US12164013B2 (en) 2024-12-10
BR112021021379A8 (pt) 2023-02-14
CA3138172A1 (en) 2020-10-29
EP3959531B1 (en) 2024-11-20
WO2020218966A1 (en) 2020-10-29
JP2022530101A (ja) 2022-06-27
US20220221542A1 (en) 2022-07-14
BR112021021379A2 (https=) 2021-12-21
CN113811783A (zh) 2021-12-17
CN113811783B (zh) 2024-02-13
SE543292C2 (en) 2020-11-17
EP3959531A4 (en) 2023-01-18
KR102857970B1 (ko) 2025-09-09
US20240192298A1 (en) 2024-06-13
JP7500608B2 (ja) 2024-06-17
SE1950507A1 (en) 2020-10-27
EP3959531A1 (en) 2022-03-02

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Legal Events

Date Code Title Description
PC1 Assignment before grant (sect. 113)

Owner name: RANDOM WALK IMAGING AB

Free format text: FORMER APPLICANT(S): CR DEVELOPMENT AB

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