BR112015003886A2 - sistema de representação de imagem por ressonância magnética, e método de representação de imagem de ressonância magnética com um agente de contraste - Google Patents

sistema de representação de imagem por ressonância magnética, e método de representação de imagem de ressonância magnética com um agente de contraste

Info

Publication number
BR112015003886A2
BR112015003886A2 BR112015003886A BR112015003886A BR112015003886A2 BR 112015003886 A2 BR112015003886 A2 BR 112015003886A2 BR 112015003886 A BR112015003886 A BR 112015003886A BR 112015003886 A BR112015003886 A BR 112015003886A BR 112015003886 A2 BR112015003886 A2 BR 112015003886A2
Authority
BR
Brazil
Prior art keywords
magnetic resonance
resonance imaging
contrast agent
control unit
imaging system
Prior art date
Application number
BR112015003886A
Other languages
English (en)
Inventor
Kresimir Ivancevic Marko
Chenevert Thomas
Original Assignee
Koninklijke Philips Nv
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 Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of BR112015003886A2 publication Critical patent/BR112015003886A2/pt

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
    • G01R33/54—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
    • G01R33/5619—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 by temporal sharing of data, e.g. keyhole, block regional interpolation scheme for k-Space [BRISK]
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • 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
    • G01R33/563—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
    • G01R33/56308—Characterization of motion or flow; Dynamic imaging
    • G01R33/56316—Characterization of motion or flow; Dynamic imaging involving phase contrast techniques
    • 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
    • G01R33/56308—Characterization of motion or flow; Dynamic imaging
    • G01R33/56325—Cine 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
    • G01R33/563—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Vascular Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

resumo sistema de representação de imagem por ressonância magnética, e método de representação de imagem de ressonância magnética com um agente de contraste sistema de representação de imagem por ressonância magnética (3) inclui uma unidade de controle de sequência (18), uma unidade de amostragem (26), e uma unidade de controle (24). a unidade de controle de sequência (18) controla um scanner de ressonância magnética (4) para aquisição de dados de ressonância magnética comprimidos de uma região de representação de imagem de um indivíduo. a unidade de amostragem (26) determina uma mudança em uma concentração de um agente de contraste presente na região de imagem do indivíduo com base em sinais de ressonância magnética recebidos por um receptor de freqüência de rádio. a unidade de controle (24) ajusta um grau de compressão dos dados de ressonância magnética adquiridos com base na determinação feita pela unidade de amostragem (26). 1/1
BR112015003886A 2012-08-27 2013-08-22 sistema de representação de imagem por ressonância magnética, e método de representação de imagem de ressonância magnética com um agente de contraste BR112015003886A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261693446P 2012-08-27 2012-08-27
PCT/IB2013/056804 WO2014033596A1 (en) 2012-08-27 2013-08-22 Adaptive keyhole compression for dynamic contrast-enhanced mri

Publications (1)

Publication Number Publication Date
BR112015003886A2 true BR112015003886A2 (pt) 2017-07-04

Family

ID=49515413

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015003886A BR112015003886A2 (pt) 2012-08-27 2013-08-22 sistema de representação de imagem por ressonância magnética, e método de representação de imagem de ressonância magnética com um agente de contraste

Country Status (7)

Country Link
US (1) US9429636B2 (pt)
EP (1) EP2888600B1 (pt)
JP (1) JP6077120B2 (pt)
CN (1) CN104583795B (pt)
BR (1) BR112015003886A2 (pt)
RU (1) RU2627063C2 (pt)
WO (1) WO2014033596A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3049799A1 (fr) * 2016-03-29 2017-10-06 Georges Samake Compression d'images, de sequences d'images et de videos a l'aide de la transformation de fourier rapide et de methodes unidimensionnelles
DE102017211677A1 (de) * 2017-07-07 2019-01-10 Siemens Healthcare Gmbh Bewegungsabhängige Rekonstruktion von Magnetresonanzabbildungen
CN107576924B (zh) * 2017-08-07 2019-10-11 上海东软医疗科技有限公司 一种磁共振动态成像方法和装置
US10802096B2 (en) * 2017-12-26 2020-10-13 Uih America, Inc. Methods and systems for magnetic resonance imaging
EP3598162A1 (en) * 2018-07-19 2020-01-22 Siemens Healthcare GmbH Magnetic resonance method and apparatus for suppressing metal artifacts
US11906609B2 (en) 2020-02-12 2024-02-20 Canon Medical Systems Corporation Image reconstruction apparatus

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5881728A (en) * 1996-07-26 1999-03-16 Wisconsin Alumni Research Foundation Digital subtraction magnetic resonance angiography with image artifact suppression
NO311111B1 (no) * 1998-04-03 2001-10-08 Geir H Soerland Metode for bestemmelse av mengden av fett og vann i en biologisk pröve
US6381486B1 (en) * 1999-01-08 2002-04-30 Wisconsin Alumni Research Foundation Magnetic resonance angiography with vessel segmentation
US6147492A (en) * 1998-10-28 2000-11-14 Toshiba America Mri, Inc. Quantitative MR imaging of water and fat using a quadruple-echo sequence
US6195579B1 (en) * 1998-12-18 2001-02-27 Wisconsin Alumni Research Foundation Contrast detection and guided reconstruction in contrast-enhanced magnetic resonance angiography
JP3952247B2 (ja) * 1999-12-08 2007-08-01 株式会社日立メディコ 核磁気共鳴撮影装置
JP2003526437A (ja) * 2000-03-13 2003-09-09 メディ−フィジックス・インコーポレイテッド ガス状過分極１２９Ｘｅの直接注射を使用する診断処置並びに関連するシステムおよび生成物
JP2003528665A (ja) 2000-03-27 2003-09-30 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 時間依存性のコントラストを撮像する磁気共鳴撮像方法
US6639211B1 (en) * 2000-11-22 2003-10-28 Koninklijke Philips Electronics, N.V. Contrast-enhanced MRA including an effective zero-latency method of bolus detection
JP3847554B2 (ja) * 2000-12-04 2006-11-22 株式会社日立メディコ 磁気共鳴イメージング装置
DE10132274B4 (de) * 2001-07-04 2004-01-15 Siemens Ag Trennung von Fett- und Wasserbildern durch das Zwei-Punkt-Dixon-Verfahren unter Berücksichtigung einer integrierten 3D-Feld-Messung zur Aufnahme einer Karte der Grundfeldinhomogenität
DE10221795B4 (de) * 2002-05-15 2012-04-26 Forschungszentrum Jülich GmbH Verfahren zur zeitabhängigen Wirkungsbestimmung eines Kontrastmittels
JP2006075380A (ja) * 2004-09-10 2006-03-23 Ge Medical Systems Global Technology Co Llc Ｍｒ画像生成方法およびｍｒｉ装置
US8306603B2 (en) * 2005-04-26 2012-11-06 Koninklijke Philips Electronics N.V. MRI involving contrast agent with time modulated contrast enhancement
RU2308709C1 (ru) * 2006-02-26 2007-10-20 Государственное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ГОУВПО "КубГТУ") Способ определения содержания жира в маргарине
JP5419718B2 (ja) * 2007-03-19 2014-02-19 コーニンクレッカ フィリップス エヌ ヴェ 磁気共鳴装置及び方法
WO2009047690A2 (en) 2007-10-09 2009-04-16 Koninklijke Philips Electronics N.V. Segmented multi-shot mri involving magnetization preparation
JP2009119111A (ja) * 2007-11-16 2009-06-04 Ge Medical Systems Global Technology Co Llc 造影剤撮影装置及び造影撮影システム
US7688068B2 (en) * 2008-05-06 2010-03-30 General Electric Company System and method for using parallel imaging with compressed sensing
JP2010051369A (ja) * 2008-08-26 2010-03-11 Toshiba Corp 磁気共鳴イメージング装置
JP5624346B2 (ja) * 2009-04-03 2014-11-12 株式会社東芝 磁気共鳴イメージング装置
US10267882B2 (en) * 2010-10-13 2019-04-23 Toshiba Medical Systems Corporation MRI T1 image-guided tissue diagnostics

Also Published As

Publication number Publication date
JP2015526227A (ja) 2015-09-10
EP2888600A1 (en) 2015-07-01
WO2014033596A1 (en) 2014-03-06
JP6077120B2 (ja) 2017-02-08
US20150204961A1 (en) 2015-07-23
EP2888600B1 (en) 2020-07-01
RU2015111006A (ru) 2016-10-20
CN104583795B (zh) 2018-02-16
US9429636B2 (en) 2016-08-30
RU2627063C2 (ru) 2017-08-03
CN104583795A (zh) 2015-04-29

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: KONINKLIJKE PHILIPS N.V. (NL) , THE REGENTS OF TH

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements