IN2014MN02502A - - Google Patents

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Publication number
IN2014MN02502A
IN2014MN02502A IN2502MUN2014A IN2014MN02502A IN 2014MN02502 A IN2014MN02502 A IN 2014MN02502A IN 2502MUN2014 A IN2502MUN2014 A IN 2502MUN2014A IN 2014MN02502 A IN2014MN02502 A IN 2014MN02502A
Authority
IN
India
Prior art keywords
flow
diffusion
data
acquiring
images
Prior art date
Application number
Other languages
English (en)
Inventor
Daniel Topgaard
Samo Lasic
Original Assignee
Cr Dev 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 Dev Ab filed Critical Cr Dev Ab
Publication of IN2014MN02502A publication Critical patent/IN2014MN02502A/en

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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
    • 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
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/0263—Measuring blood flow using NMR
    • 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 
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
    • 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
    • G01R33/5635—Angiography, e.g. contrast-enhanced angiography [CE-MRA] or time-of-flight angiography [TOF-MRA]
    • 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
    • G01R33/56366—Perfusion 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/04—Force
    • F04C2270/041—Controlled or regulated
    • 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
    • G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription
    • 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
    • G01R33/5608—Data processing and visualization specially adapted for MR, e.g. for feature analysis and pattern recognition on the basis of measured MR data, segmentation of measured MR data, edge contour detection on the basis of measured MR data, for enhancing measured MR data in terms of signal-to-noise ratio by means of noise filtering or apodization, for enhancing measured MR data in terms of resolution by means for deblurring, windowing, zero filling, or generation of gray-scaled images, colour-coded images or images displaying vectors instead of pixels

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Vascular Medicine (AREA)
  • Physiology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Psychiatry (AREA)
  • Hematology (AREA)
  • Cardiology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
IN2502MUN2014 2012-06-29 2013-06-24 IN2014MN02502A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261665998P 2012-06-29 2012-06-29
SE1250736 2012-06-29
PCT/SE2013/050755 WO2014003643A1 (fr) 2012-06-29 2013-06-24 Quantification de la quantité relative d'eau dans le réseau microcapillaire d'un tissu

Publications (1)

Publication Number Publication Date
IN2014MN02502A true IN2014MN02502A (fr) 2015-07-17

Family

ID=49783621

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2502MUN2014 IN2014MN02502A (fr) 2012-06-29 2013-06-24

Country Status (10)

Country Link
US (2) US10031204B2 (fr)
EP (1) EP2867690B1 (fr)
JP (1) JP6328624B2 (fr)
KR (1) KR102059408B1 (fr)
CN (1) CN104471423B (fr)
AU (1) AU2013281266B2 (fr)
BR (1) BR112014032534B8 (fr)
CA (1) CA2876852C (fr)
IN (1) IN2014MN02502A (fr)
WO (1) WO2014003643A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106344015A (zh) * 2015-07-15 2017-01-25 四川大学华西医院 一种异常扩散程度加权的弥散磁共振成像方法
US11241163B2 (en) * 2017-06-08 2022-02-08 The Board Of Trustees Of The University Of Illinois Measuring blood vessel characteristics with MRI
US10684340B1 (en) * 2019-01-08 2020-06-16 Siemens Healthcare Gmbh Systems and methods for predicting errors and optimizing protocols in quantitative magnetic resonance imaging
CN109820506B (zh) * 2019-02-20 2023-07-07 王毅翔 基于磁共振弥散成像的组织血管密度指标检测方法及装置
EP4127758A4 (fr) * 2020-03-28 2024-04-17 Oezarslan Evren Procédé de résonance magnétique, produit logiciel et système pour déterminer un propagateur de diffusion ou des paramètres de diffusion associés pour des particules à marqueur de spin
CN111407278B (zh) * 2020-03-31 2020-12-29 浙江大学 利用流速补偿和非补偿的弥散磁共振测量胎盘血流的方法及装置
CN115421086B (zh) * 2022-09-02 2023-04-14 哈尔滨医科大学 活体心脏复杂组织学特征精准解析的超融合体素内不相干运动张量磁共振成像方法
CN117310581B (zh) * 2023-10-11 2024-05-10 安徽峻德医疗科技有限公司 一种核磁共振信号衰减拟合方法、系统、设备及存储介质

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JPS5123312B1 (fr) 1971-05-06 1976-07-15
JPH04357934A (ja) * 1991-06-05 1992-12-10 Toshiba Corp Ｍｒｉによるｉｖｉｍイメージング
JP3144840B2 (ja) * 1991-07-31 2001-03-12 株式会社東芝 磁気共鳴イメージング装置
JP3146033B2 (ja) * 1991-11-05 2001-03-12 株式会社東芝 磁気共鳴イメージング装置
US8005530B2 (en) * 1995-04-12 2011-08-23 Prince Martin R Method and apparatus for imaging abdominal aorta and aortic aneurysms
JP3516373B2 (ja) * 1996-09-04 2004-04-05 株式会社日立メディコ 磁気共鳴測定装置
JP4225620B2 (ja) 1999-01-11 2009-02-18 株式会社東芝 Ｍｒｉ装置
WO2001038895A1 (fr) * 1999-11-24 2001-05-31 Board Of Regents, The University Of Texas System Procedes et systemes permettant de generer des representations des faisceaux snc
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JP4039980B2 (ja) 2003-06-04 2008-01-30 マルホン工業株式会社 遊技機
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CN102565735B (zh) * 2004-07-30 2016-02-10 通用电气医疗集团股份有限公司 超极化13c-丙酮酸盐在制备用于辨别健康和肿瘤组织的组合物中的用途
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Also Published As

Publication number Publication date
AU2013281266A1 (en) 2015-01-22
CA2876852A1 (fr) 2014-01-03
US20150168527A1 (en) 2015-06-18
CA2876852C (fr) 2020-12-22
BR112014032534A2 (pt) 2017-06-27
JP2015521891A (ja) 2015-08-03
EP2867690B1 (fr) 2021-11-24
US20180224514A1 (en) 2018-08-09
KR20150036296A (ko) 2015-04-07
EP2867690A1 (fr) 2015-05-06
US10788558B2 (en) 2020-09-29
BR112014032534B8 (pt) 2023-02-14
WO2014003643A1 (fr) 2014-01-03
CN104471423A (zh) 2015-03-25
CN104471423B (zh) 2017-03-29
US10031204B2 (en) 2018-07-24
AU2013281266B2 (en) 2017-04-13
KR102059408B1 (ko) 2020-02-11
BR112014032534B1 (pt) 2021-10-13
JP6328624B2 (ja) 2018-05-23
EP2867690A4 (fr) 2017-01-25

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