CA3138172A1 - A method of performing diffusion weighted magnetic resonance measurements - Google Patents

A method of performing diffusion weighted magnetic resonance measurements Download PDF

Info

Publication number
CA3138172A1
CA3138172A1 CA3138172A CA3138172A CA3138172A1 CA 3138172 A1 CA3138172 A1 CA 3138172A1 CA 3138172 A CA3138172 A CA 3138172A CA 3138172 A CA3138172 A CA 3138172A CA 3138172 A1 CA3138172 A1 CA 3138172A1
Authority
CA
Canada
Prior art keywords
encoding
along
encoding block
diffusion
zero
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.)
Pending
Application number
CA3138172A
Other languages
English (en)
French (fr)
Inventor
Irvin TEH
Samo LASIC
Markus Nilsson
Filip SZCZEPANKIEWICZ
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.)
Random Walk Imaging AB
Original Assignee
CR Development AB
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 CR Development AB filed Critical CR Development AB
Publication of CA3138172A1 publication Critical patent/CA3138172A1/en
Pending 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
    • G01R33/54—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)
CA3138172A 2019-04-26 2020-04-24 A method of performing diffusion weighted magnetic resonance measurements Pending CA3138172A1 (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
CA3138172A1 true CA3138172A1 (en) 2020-10-29

Family

ID=72941152

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3138172A Pending CA3138172A1 (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
AU2020264065A1 (en) 2021-11-25
US12164013B2 (en) 2024-12-10
BR112021021379A8 (pt) 2023-02-14
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

Similar Documents

Publication Publication Date Title
US12164013B2 (en) Method of performing diffusion weighted magnetic resonance measurements
EP3105606B1 (en) Method for quantifying isotropic diffusion and/or anisotropic diffusion in a sample
US7683618B2 (en) Slice-selective tunable-flip adiabatic low peak power excitation
JPH0350533B2 (https=)
Mansfield et al. Echo-volumar imaging (EVI) of the brain at 3.0 T: first normal volunteer and functional imaging results
JP2019534086A (ja) サンプルに拡散強調磁気共鳴測定を実行する方法
US5283526A (en) Method for performing single and multiple slice magnetic resonance spectroscopic imaging
US8473536B2 (en) Algorithm for adiabatic pulse design using the Shinnar Le-Roux transform
US7518364B1 (en) Species separation using selective spectral supression in balanced steady-state free precession imaging
US6906516B2 (en) Artifact reduction in SSFP MRI using weighted sum of combined signals
JP2023516473A (ja) 片面式磁気共鳴画像法のためのパルスシーケンスおよび周波数掃引パルス
US7560925B1 (en) Multiple repetition time steady-state free precession imaging
Yang et al. Multidimensional RF pulse design using auto‐differentiable spin‐domain optimization and its application to reduced field‐of‐view imaging
Datta et al. Understanding spin turbulence in solution magnetic resonance through phase space dynamics and instability
JPS6029685A (ja) 核磁気共鳴による検査装置
EP1995604B1 (en) High speed, high resolution, silent, real-time MRI method
JP2022094087A (ja) 磁気共鳴イメージング装置およびその制御方法
JP2006000478A (ja) 磁気共鳴イメージング装置
JPS60146140A (ja) 核磁気共鳴による検査方法及びその装置
JP2001238866A (ja) 磁気共鳴イメージング装置
Alford et al. Development of a Simulation Tool for Field Cycled MRI
Ma Design of multidimensional radiofrequency pulses in magnetic resonance imaging
JPS60155948A (ja) 核磁気共鳴による検査方法及びその装置
Rajan Image Contrast and Pulse Sequences
JPS62284637A (ja) 核磁気共鳴を用いた検査装置