EP3629915A4 - Selective sampling for assessing structural spatial frequencies with specific contrast mechanisms - Google Patents

Selective sampling for assessing structural spatial frequencies with specific contrast mechanisms Download PDF

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Publication number
EP3629915A4
EP3629915A4 EP18805648.5A EP18805648A EP3629915A4 EP 3629915 A4 EP3629915 A4 EP 3629915A4 EP 18805648 A EP18805648 A EP 18805648A EP 3629915 A4 EP3629915 A4 EP 3629915A4
Authority
EP
European Patent Office
Prior art keywords
spatial frequencies
specific contrast
selective sampling
contrast mechanisms
assessing structural
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.)
Withdrawn
Application number
EP18805648.5A
Other languages
German (de)
French (fr)
Other versions
EP3629915A1 (en
Inventor
Kristin JAMES
Timothy James
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.)
Bioprotonics Inc
Original Assignee
Bioprotonics Inc
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 US15/604,465 external-priority patent/US10061003B2/en
Application filed by Bioprotonics Inc filed Critical Bioprotonics Inc
Publication of EP3629915A1 publication Critical patent/EP3629915A1/en
Publication of EP3629915A4 publication Critical patent/EP3629915A4/en
Withdrawn legal-status Critical Current

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    • 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
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • 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
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
    • 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
    • A61B5/4842—Monitoring progression or stage of a disease
    • 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
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G01R33/482—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a Cartesian trajectory
    • G01R33/4822—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a Cartesian trajectory in three dimensions
    • 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
    • G01R33/5601—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution involving use of a contrast agent for contrast manipulation, e.g. a paramagnetic, super-paramagnetic, ferromagnetic or hyperpolarised contrast agent
    • 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
    • G01R33/5602—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by filtering or weighting based on different relaxation times within the sample, e.g. T1 weighting using an inversion pulse
    • 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
    • G01R33/5605—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by transferring coherence or polarization from a spin species to another, e.g. creating magnetization transfer contrast [MTC], polarization transfer using nuclear Overhauser enhancement [NOE]
    • 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]
    • G01R33/5617—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] using RF refocusing, e.g. RARE
    • 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

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
EP18805648.5A 2017-05-24 2018-05-21 Selective sampling for assessing structural spatial frequencies with specific contrast mechanisms Withdrawn EP3629915A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/604,465 US10061003B2 (en) 2014-09-01 2017-05-24 Selective sampling for assessing structural spatial frequencies with specific contrast mechanisms
PCT/US2018/033727 WO2018217658A1 (en) 2017-05-24 2018-05-21 Selective sampling for assessing structural spatial frequencies with specific contrast mechanisms

Publications (2)

Publication Number Publication Date
EP3629915A1 EP3629915A1 (en) 2020-04-08
EP3629915A4 true EP3629915A4 (en) 2021-03-03

Family

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Family Applications (1)

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EP18805648.5A Withdrawn EP3629915A4 (en) 2017-05-24 2018-05-21 Selective sampling for assessing structural spatial frequencies with specific contrast mechanisms

Country Status (6)

Country Link
EP (1) EP3629915A4 (en)
JP (1) JP7273803B2 (en)
CN (1) CN110958854A (en)
AU (1) AU2018273362A1 (en)
CA (1) CA3064736A1 (en)
WO (1) WO2018217658A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111803068A (en) * 2020-08-21 2020-10-23 上海中医药大学附属曙光医院 Method for noninvasive assessment of hepatic fibrosis based on virtual magnetic resonance elastography
CN113156350B (en) * 2021-03-25 2022-07-19 华南理工大学 Non-invasive light opaque micron-sized living tissue magnetic resonance tomography method and system
US20230036757A1 (en) * 2021-07-28 2023-02-02 Ischemaview, Inc. Concurrent display of hemodynamic parameters and damaged brain tissue
CN114371232B (en) * 2021-12-22 2024-03-22 天津国科医工科技发展有限公司 Chromatographic filtering method, device, medium and system based on Kalman filtering algorithm
CN116959586B (en) * 2022-04-18 2025-11-28 深圳华大生命科学研究院 Processing method of space group data, electronic equipment and medium
CN114936519B (en) * 2022-05-12 2025-09-05 中国人民解放军国防科技大学 A controllable mode optical filter and optimization method
CN114708973B (en) * 2022-06-06 2022-09-13 首都医科大学附属北京友谊医院 Device and storage medium for evaluating human health
CN116934757B (en) * 2023-09-18 2023-11-21 电子科技大学 Method, equipment and storage medium for lung nodule false positive pruning
CN117388672B (en) * 2023-12-11 2024-04-19 四川睿杰鑫电子股份有限公司 Power supply path detection device for circuit board and detection method thereof
CN119864176A (en) * 2024-12-26 2025-04-22 济南市人民医院 Critical patient death risk prediction method based on big data
CN119850613B (en) * 2025-03-19 2025-07-01 江苏省血吸虫病防治研究所 Schistosomiasis suspected lesion area calibration system based on deep learning
CN120217588B (en) * 2025-03-24 2025-11-18 广东海思智能装备有限公司 Method for monitoring and automatically suppressing vibration of main shaft of numerical control machine tool in real time

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160061917A1 (en) * 2014-09-01 2016-03-03 bioProtonics LLC Selective sampling magnetic resonance-based method for assessing structural spatial frequencies

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3393895B2 (en) * 1993-09-13 2003-04-07 株式会社東芝 Magnetic resonance imaging
JP4265855B2 (en) 2000-05-31 2009-05-20 株式会社日立メディコ Magnetic resonance imaging system
US6320380B1 (en) * 2000-10-03 2001-11-20 Marconi Medical Systems, Inc. MRI method and apparatus for increasing the efficiency of echo lanar imaging and other late echo techniques
US7657299B2 (en) 2003-08-21 2010-02-02 Ischem Corporation Automated methods and systems for vascular plaque detection and analysis
DE102004017852B4 (en) 2004-04-13 2008-11-27 Siemens Ag Motion-corrected multi-shot method for diffusion-weighted imaging in magnetic resonance imaging
US8057408B2 (en) * 2005-09-22 2011-11-15 The Regents Of The University Of Michigan Pulsed cavitational ultrasound therapy
KR101297143B1 (en) * 2005-11-27 2013-08-21 아쿠이타스 메디컬 리미티드 Assessment of structures such as bone using spatial-frequency analysis
JP4993960B2 (en) 2006-07-11 2012-08-08 株式会社日立メディコ Nuclear magnetic resonance imaging system
WO2008034845A2 (en) 2006-09-19 2008-03-27 Nordic Bioscience Imaging A/S Pathology indicating measure related to cartilage structure and automatic quantification thereof
US20100145185A1 (en) * 2008-12-04 2010-06-10 Xiaole Hong Extending the resolution of mri data by combining subsets from plural image acquisitions
JP5360757B2 (en) * 2009-04-22 2013-12-04 独立行政法人情報通信研究機構 Magnetic resonance imaging and magnetic resonance imaging apparatus
JP5442490B2 (en) 2010-02-26 2014-03-12 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 Magnetic resonance imaging system
US8966701B2 (en) * 2012-06-14 2015-03-03 Joseph Dellecave Sole wipe
WO2014130813A1 (en) * 2013-02-21 2014-08-28 New York University Method and device for accurate quantification of t2 relaxation times based on fast multi spin-echo nmr sequences
US9366740B2 (en) * 2013-03-14 2016-06-14 Wisconsin Alumni Research Foundation System and method for vastly undersampled isotropic projection reconstruction with inversion recovery
JP5762460B2 (en) 2013-04-11 2015-08-12 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 Magnetic resonance apparatus and program
US10386439B2 (en) * 2013-12-20 2019-08-20 Koninklike Philips N.V. Density guided attenuation map generation in PET/MR systems
US9664760B2 (en) 2014-09-01 2017-05-30 bioProtonics, L.L.C Selective sampling for assessing structural spatial frequencies with specific contrast mechanisms
US9664759B2 (en) * 2014-09-01 2017-05-30 bioProtonics, L.L.C Method for assessing structural spatial frequencies using hybrid sampling with non-zero gradient for enhancement of selective sampling
US9655522B2 (en) * 2014-10-10 2017-05-23 Cedars-Sinai Medical Center Method and system for “push-button” comprehensive cardiac MR examination using continuous self-gated 3D radial imaging
JP6576726B2 (en) 2015-07-24 2019-09-18 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 Magnetic resonance equipment
CN108366753B (en) 2015-10-07 2019-06-07 生物质子股份有限公司 For assessing the selective sampling with the structure space frequency of specified contrast mechanisms

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160061917A1 (en) * 2014-09-01 2016-03-03 bioProtonics LLC Selective sampling magnetic resonance-based method for assessing structural spatial frequencies

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO2018217658A1 *

Also Published As

Publication number Publication date
CA3064736A1 (en) 2018-11-29
CN110958854A (en) 2020-04-03
JP7273803B2 (en) 2023-05-15
EP3629915A1 (en) 2020-04-08
WO2018217658A1 (en) 2018-11-29
JP2020520786A (en) 2020-07-16
AU2018273362A1 (en) 2020-01-23

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