EP3359034A4 - 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

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Publication number
EP3359034A4
EP3359034A4 EP16854502.8A EP16854502A EP3359034A4 EP 3359034 A4 EP3359034 A4 EP 3359034A4 EP 16854502 A EP16854502 A EP 16854502A EP 3359034 A4 EP3359034 A4 EP 3359034A4
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.)
Pending
Application number
EP16854502.8A
Other languages
German (de)
English (en)
Other versions
EP3359034A1 (fr
Inventor
David R. Chase
Timothy W. James
Kristin E. 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 US15/167,828 external-priority patent/US9664759B2/en
Application filed by Bioprotonics Inc filed Critical Bioprotonics Inc
Publication of EP3359034A1 publication Critical patent/EP3359034A1/fr
Publication of EP3359034A4 publication Critical patent/EP3359034A4/fr
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0033—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room
    • A61B5/0036—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room including treatment, e.g., using an implantable medical device, ablating, ventilating
    • 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
    • A61B5/48—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
    • 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
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
EP16854502.8A 2015-10-07 2016-10-07 Échantillonnage sélectif pour évaluer des fréquences spatiales structurales avec des mécanismes de contraste spécifiques Pending EP3359034A4 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562238121P 2015-10-07 2015-10-07
US201662302577P 2016-03-02 2016-03-02
US15/167,828 US9664759B2 (en) 2014-09-01 2016-05-27 Method for assessing structural spatial frequencies using hybrid sampling with non-zero gradient for enhancement of selective sampling
US201662382695P 2016-09-01 2016-09-01
PCT/US2016/056147 WO2017062882A1 (fr) 2015-10-07 2016-10-07 Échantillonnage sélectif pour évaluer des fréquences spatiales structurales avec des mécanismes de contraste spécifiques

Publications (2)

Publication Number Publication Date
EP3359034A1 EP3359034A1 (fr) 2018-08-15
EP3359034A4 true EP3359034A4 (fr) 2019-08-07

Family

ID=58488603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16854502.8A Pending EP3359034A4 (fr) 2015-10-07 2016-10-07 Échantillonnage sélectif pour évaluer des fréquences spatiales structurales avec des mécanismes de contraste spécifiques

Country Status (6)

Country Link
EP (1) EP3359034A4 (fr)
JP (1) JP6906507B2 (fr)
CN (1) CN108366753B (fr)
AU (1) AU2016334250B2 (fr)
CA (1) CA3000765C (fr)
WO (1) WO2017062882A1 (fr)

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JP7273803B2 (ja) * 2017-05-24 2023-05-15 バイオプロトニクス インコーポレイテッド 特定のコントラスト機構を用いて構造的空間周波数を評価するための選択的サンプリング
JP7227953B2 (ja) * 2017-07-06 2023-02-22 バイオプロトニクス インコーポレイテッド Ｎｍｒ分光法を用いて組織の標的領域内の成分テクスチャ要素の化学種を同定する組織テクスチャ測定方法
CN116112139B (zh) * 2018-09-21 2024-01-30 中兴通讯股份有限公司 波束失败恢复方法及装置
EP3874288A4 (fr) * 2018-11-20 2022-12-28 Bioprotonics, Inc. Procédé de mesure de texture tissulaire à l'aide d'une spectroscopie par résonance magnétique nucléaire (rmn) avec une longueur de volume d'intérêt (voi) dans une direction d'analyse définie par une bande passante de récepteur
CN113507881A (zh) * 2018-12-10 2021-10-15 牛津大学创新有限公司 脑成像
CN109754394B (zh) * 2018-12-28 2021-02-23 上海联影智能医疗科技有限公司 三维医学图像处理装置及方法
WO2020125806A1 (fr) 2018-12-17 2020-06-25 Shanghai United Imaging Intelligence Co., Ltd. Systèmes et procédés de segmentation d'image
WO2020136571A1 (fr) * 2018-12-26 2020-07-02 Analytics For Life Inc. Procédés et systèmes de configuration et d'utilisation de réseaux neuronaux dans la caractérisation de systèmes physiologiques
WO2020158717A1 (fr) * 2019-01-31 2020-08-06 富士フイルム株式会社 Modèle appris, procédé d'apprentissage, et programme, et dispositif d'acquisition d'informations médicales, procédé, et programme
CN110322408A (zh) * 2019-06-11 2019-10-11 浙江大学 基于云平台的多中心磁共振图像自动质量控制方法
CN110599447B (zh) * 2019-07-29 2023-10-20 广州市番禺区中心医院(广州市番禺区人民医院、广州市番禺区心血管疾病研究所) 一种肝癌病灶数据的处理方法、系统和存储介质
CN110501664B (zh) * 2019-08-23 2021-07-16 苏州朗润医疗系统有限公司 磁共振波谱相位校正方法及应用该方法的磁共振成像系统
TWI754858B (zh) 2019-11-21 2022-02-11 國立中央大學 光學斷層造影系統及造影方法
US11085979B1 (en) * 2020-02-24 2021-08-10 Uih America, Inc. System and method for magnetic resonance imaging with radial sampling of k-space
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
CN112184845B (zh) * 2020-09-02 2023-05-05 东软医疗系统股份有限公司 弥散加权图像重建模型的生成方法及装置
CN112304811B (zh) * 2020-10-22 2023-02-03 无锡鸣石峻致医疗科技有限公司 一种对运动不敏感的低场核磁共振表观扩散系数测量方法
CN112958840B (zh) * 2021-02-10 2022-06-14 西南电子技术研究所（中国电子科技集团公司第十研究所） 精密零件加工削力信号自动分段方法
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
WO2023055471A1 (fr) * 2021-09-29 2023-04-06 The Johns Hopkins University Identification automatisée de grappes de coefficients de diffusion apparents à hyperintensité pour une thérapie thermique interstitielle laser guidée par irm
CN116509453B (zh) * 2023-06-29 2023-09-01 南京科进实业有限公司 一种基于超声波的胫骨骨密度检测系统及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5545991A (en) * 1993-10-06 1996-08-13 Bruker Medizintechnik Gmbh Low-noise NMR imaging method with single point recording (SPI)
US20060155186A1 (en) * 2005-01-12 2006-07-13 James Timothy W Bone health assessment using spatial-frequency analysis
US20130278254A1 (en) * 2012-04-20 2013-10-24 Scott Brian Reeder System and method for spectrally-resolved three-dimensional magnetic resonance imaging without frequency-encoding gradients
US20160274203A1 (en) * 2014-09-01 2016-09-22 bioProtonics, LLC Method for assessing structural spatial frequencies using hybrid sampling with non-zero gradient for enhancement of selective sampling

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JPS63130056A (ja) * 1986-11-21 1988-06-02 旭化成株式会社 部分選択核磁気共鳴情報導出方法
JP3393895B2 (ja) * 1993-09-13 2003-04-07 株式会社東芝 磁気共鳴映像装置
KR101297143B1 (ko) * 2005-11-27 2013-08-21 아쿠이타스 메디컬 리미티드 공간 주파수 분석을 이용한 뼈와 같은 구조의 평가
US7602180B2 (en) * 2006-11-02 2009-10-13 Siemens Aktiengesellschaft System and method for fast texture-based tensor field visualization for DT-MRI
DE102011007501B3 (de) * 2011-04-15 2012-05-31 Universitätsklinikum Freiburg Verfahren der bildgebenden Magnetresonanz zur Selektion und Aufnahme von gekrümmten Schichten
WO2013040086A1 (fr) * 2011-09-13 2013-03-21 Acuitas Medical Limited Procédé fondé sur la résonance magnétique pour évaluation de la maladie d'alzheimer et de pathologies associées
US9366738B2 (en) * 2014-09-01 2016-06-14 bioProtonics, L.L.C Selective sampling magnetic resonance-based method for assessing structural spatial frequencies

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5545991A (en) * 1993-10-06 1996-08-13 Bruker Medizintechnik Gmbh Low-noise NMR imaging method with single point recording (SPI)
US20060155186A1 (en) * 2005-01-12 2006-07-13 James Timothy W Bone health assessment using spatial-frequency analysis
US20130278254A1 (en) * 2012-04-20 2013-10-24 Scott Brian Reeder System and method for spectrally-resolved three-dimensional magnetic resonance imaging without frequency-encoding gradients
US20160274203A1 (en) * 2014-09-01 2016-09-22 bioProtonics, LLC Method for assessing structural spatial frequencies using hybrid sampling with non-zero gradient for enhancement of selective sampling

Non-Patent Citations (1)

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Title
See also references of WO2017062882A1 *

Also Published As

Publication number Publication date
CA3000765A1 (fr) 2017-04-13
WO2017062882A1 (fr) 2017-04-13
CN108366753A (zh) 2018-08-03
AU2016334250A1 (en) 2018-05-17
CN108366753B (zh) 2019-06-07
CA3000765C (fr) 2024-01-23
JP2018529474A (ja) 2018-10-11
JP6906507B2 (ja) 2021-07-21
EP3359034A1 (fr) 2018-08-15
AU2016334250B2 (en) 2020-04-02

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