EP3629915A4 - Échantillonnage sélectif pour évaluer des fréquences spatiales structurales avec des mécanismes de contraste spécifiques - Google Patents

Échantillonnage sélectif pour évaluer des fréquences spatiales structurales avec des mécanismes de contraste spécifiques Download PDF

Info

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Withdrawn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)
English (en)
Other versions
EP3629915A1 (fr
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/fr
Publication of EP3629915A4 publication Critical patent/EP3629915A4/fr
Withdrawn legal-status Critical Current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
    • G01R33/4818—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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
EP18805648.5A 2017-05-24 2018-05-21 Échantillonnage sélectif pour évaluer des fréquences spatiales structurales avec des mécanismes de contraste spécifiques Withdrawn EP3629915A4 (fr)

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 (fr) 2017-05-24 2018-05-21 Échantillonnage sélectif pour évaluer des fréquences spatiales structurales avec des mécanismes de contraste spécifiques

Publications (2)

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

Family

ID=64396914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18805648.5A Withdrawn EP3629915A4 (fr) 2017-05-24 2018-05-21 Échantillonnage sélectif pour évaluer des fréquences spatiales structurales avec des mécanismes de contraste spécifiques

Country Status (6)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111803068A (zh) * 2020-08-21 2020-10-23 上海中医药大学附属曙光医院 一种基于虚拟磁共振弹性成像的无创评估肝纤维化的方法
CN113156350B (zh) * 2021-03-25 2022-07-19 华南理工大学 无创光不透明微米级活体组织磁共振断层成像方法及系统
CN114371232B (zh) * 2021-12-22 2024-03-22 天津国科医工科技发展有限公司 基于卡尔曼滤波算法的色谱滤波方法、装置、介质、系统
CN114708973B (zh) * 2022-06-06 2022-09-13 首都医科大学附属北京友谊医院 一种用于对人体健康进行评估的设备和存储介质
CN116934757B (zh) * 2023-09-18 2023-11-21 电子科技大学 一种用于肺结节假阳性删减的方法、设备及存储介质
CN117388672B (zh) * 2023-12-11 2024-04-19 四川睿杰鑫电子股份有限公司 一种电路板用电源通路检测装置及其检测方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3393895B2 (ja) * 1993-09-13 2003-04-07 株式会社東芝 磁気共鳴映像装置
JP4265855B2 (ja) 2000-05-31 2009-05-20 株式会社日立メディコ 磁気共鳴イメージング装置
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
CN1929781A (zh) 2003-08-21 2007-03-14 依斯克姆公司 用于脉管斑块检测和分析的自动化方法和系统
DE102004017852B4 (de) 2004-04-13 2008-11-27 Siemens Ag Bewegungskorrigiertes Multi-Shot-Verfahren zur diffusionsgewichteten Bildgebung in der Magnetresonanztomographie
US8057408B2 (en) * 2005-09-22 2011-11-15 The Regents Of The University Of Michigan Pulsed cavitational ultrasound therapy
BRPI0619008A2 (pt) * 2005-11-27 2011-09-20 Osteotronix Ltd método para avaliar pelo menos uma caracterìstica de uma amostra de uma estrutura e método para avaliar estruturas ósseas
JP4993960B2 (ja) 2006-07-11 2012-08-08 株式会社日立メディコ 核磁気共鳴撮像装置
WO2008034845A2 (fr) 2006-09-19 2008-03-27 Nordic Bioscience Imaging A/S Mesure indiquant une pathologie liée à une structure de cartilage et quantification automatique de celle-ci
US20100145185A1 (en) * 2008-12-04 2010-06-10 Xiaole Hong Extending the resolution of mri data by combining subsets from plural image acquisitions
JP5360757B2 (ja) * 2009-04-22 2013-12-04 独立行政法人情報通信研究機構 磁気共鳴画像法および磁気共鳴画像装置
JP5442490B2 (ja) 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 磁気共鳴イメージング装置
US8966701B2 (en) * 2012-06-14 2015-03-03 Joseph Dellecave Sole wipe
WO2014130813A1 (fr) * 2013-02-21 2014-08-28 New York University Procédé et dispositif de quantification précise de temps t2 de relaxation en fonction de séquences rapides de rmn à écho de spin multiple
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 (ja) 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 磁気共鳴装置およびプログラム
US10386439B2 (en) * 2013-12-20 2019-08-20 Koninklike Philips N.V. Density guided attenuation map generation in PET/MR systems
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
US9664760B2 (en) * 2014-09-01 2017-05-30 bioProtonics, L.L.C Selective sampling for assessing structural spatial frequencies with specific contrast mechanisms
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 (ja) 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 磁気共鳴装置
AU2016334250B2 (en) 2015-10-07 2020-04-02 Bioprotonics, Inc. Selective sampling for assessing structural spatial frequencies with specific contrast mechanisms

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

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

Similar Documents

Publication Publication Date Title
EP3359034A4 (fr) Échantillonnage sélectif pour évaluer des fréquences spatiales structurales avec des mécanismes de contraste spécifiques
EP3372985A4 (fr) Dispositif d'analyse
EP3629915A4 (fr) Échantillonnage sélectif pour évaluer des fréquences spatiales structurales avec des mécanismes de contraste spécifiques
EP3185748A4 (fr) Participation à un test d'évaluation
EP3189345A4 (fr) Procédé d'échantillonnage sélectif à base de résonance magnétique pour l'évaluation de fréquences spatiales structurelles
EP3306228A4 (fr) Dispositif d'essai environnemental
EP2956868A4 (fr) Analyse d'optimisation utilisant des fréquences similaires
EP3375217A4 (fr) Analyseur de signaux cohérents
EP3602218A4 (fr) Analyse d'intégrité prédictive
EP3271737A4 (fr) Dispositif d'essai
EP3458838A4 (fr) Sonde à module renforcé
EP3616160A4 (fr) Analyse cellulaire
EP3477293A4 (fr) Dispositif d'analyse
EP3364189A4 (fr) Pièce de test immunochromatographique
EP3238068A4 (fr) Reprise automatique d'exécutions de test
EP3746760A4 (fr) Sonde d'échantillonnage
EP3094948A4 (fr) Utilitaire de configuration d'enregistreur basé sur le web
EP3306320A4 (fr) Analyseur immunochromatographique pour la détection demycoplasma pneumoniae
EP3352372A4 (fr) Dispositif de test
EP3252138A4 (fr) Dispositif de test
EP3189331A4 (fr) Appareil d'essai d'immunodosage
EP3367910A4 (fr) Capuchon de sonde
EP3279661A4 (fr) Dispositif de dosage immunologique
EP3428633A4 (fr) Dispositif d'analyse
EP3312614A4 (fr) Analyseur d'échantillon

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20191220

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: A61B0005055000

Ipc: G01R0033480000

A4 Supplementary search report drawn up and despatched

Effective date: 20210201

RIC1 Information provided on ipc code assigned before grant

Ipc: A61B 5/055 20060101ALI20210126BHEP

Ipc: G01R 33/48 20060101AFI20210126BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20230406

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20230803