EP3359034A4 - Selektive abtastung zur beurteilung von strukturellen raumfrequenzen mit spezifischen kontrastmechanismen - Google Patents

Selektive abtastung zur beurteilung von strukturellen raumfrequenzen mit spezifischen kontrastmechanismen 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
English (en)
French (fr)
Other versions
EP3359034A1 (de
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/de
Publication of EP3359034A4 publication Critical patent/EP3359034A4/de
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)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (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 Selektive abtastung zur beurteilung von strukturellen raumfrequenzen mit spezifischen kontrastmechanismen Pending EP3359034A4 (de)

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 (en) 2015-10-07 2016-10-07 Selective sampling for assessing structural spatial frequencies with specific contrast mechanisms

Publications (2)

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

Family

ID=58488603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16854502.8A Pending EP3359034A4 (de) 2015-10-07 2016-10-07 Selektive abtastung zur beurteilung von strukturellen raumfrequenzen mit spezifischen kontrastmechanismen

Country Status (6)

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

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CN110958854A (zh) * 2017-05-24 2020-04-03 生物质子股份有限公司 用于评估具有指定对比度机制的结构空间频率的选择性采样
WO2019010381A1 (en) * 2017-07-06 2019-01-10 bioProtonics, LLC METHOD FOR MEASURING TISSUE TEXTURE USING NMR SPECTROSCOPY TO IDENTIFY CHEMICAL SPECIES OF COMPONENT TEXTURE ELEMENTS IN TARGETED TISSUE REGION
CN110943817A (zh) * 2018-09-21 2020-03-31 中兴通讯股份有限公司 波束失败恢复方法及装置
CA3120284A1 (en) * 2018-11-20 2020-05-28 Bioprotonics, Inc. A method to measure tissue texture using nmr spectroscopy with voi length in an analysis direction defined by receiver bandwidth
US20220022804A1 (en) * 2018-12-10 2022-01-27 Oxford University Innovation Limited Brain imaging
WO2020125806A1 (en) 2018-12-17 2020-06-25 Shanghai United Imaging Intelligence Co., Ltd. Systems and methods for image segmentation
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
EP3903324A4 (de) 2018-12-26 2022-12-21 Analytics For Life Inc. Verfahren und systeme zur konfiguration und verwendung neuronaler netze zur charakterisierung physiologischer systeme
JP7220727B2 (ja) * 2019-01-31 2023-02-10 富士フイルム株式会社 学習済みモデル、学習方法、及びプログラム、並びに医用情報取得装置、方法、及びプログラム
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 (en) * 2021-09-29 2023-04-06 The Johns Hopkins University Automated identification of hyperintensive apparent diffusion coefficient clusters for mri-guided laser interstitial thermal therapy
CN114601448B (zh) * 2022-03-17 2024-08-09 中国科学院精密测量科学与技术创新研究院 一种用于肺顺应性可视化定量评价的快速磁共振成像方法
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
EP1957997B1 (de) * 2005-11-27 2014-04-30 Acuitas Medical Limited Bewertung von strukturen wie etwa knochen unter verwendung einer raum-frequenz-analyse
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
KR20140063809A (ko) * 2011-09-13 2014-05-27 아쿠이타스 메디컬 리미티드 알츠하이머병 및 관련 병리의 평가를 위한 자기공명 기반 방법
AU2015312190A1 (en) * 2014-09-01 2017-03-23 Bioprotonics, Inc. 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)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017062882A1 *

Also Published As

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

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