BR112014031569A2 - sistema de exame de ressonância magnética - Google Patents

sistema de exame de ressonância magnética

Info

Publication number
BR112014031569A2
BR112014031569A2 BR112014031569A BR112014031569A BR112014031569A2 BR 112014031569 A2 BR112014031569 A2 BR 112014031569A2 BR 112014031569 A BR112014031569 A BR 112014031569A BR 112014031569 A BR112014031569 A BR 112014031569A BR 112014031569 A2 BR112014031569 A2 BR 112014031569A2
Authority
BR
Brazil
Prior art keywords
magnetic resonance
imaging system
resonance imaging
motion
antenna
Prior art date
Application number
BR112014031569A
Other languages
English (en)
Other versions
BR112014031569A8 (pt
Inventor
Johannes Adrianus Maria Van Helvoort Marinus
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 BR112014031569A2 publication Critical patent/BR112014031569A2/pt
Publication of BR112014031569A8 publication Critical patent/BR112014031569A8/pt

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
    • A61B5/721—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts using a separate sensor to detect motion or using motion information derived from signals other than the physiological signal to be measured
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/30—Sample handling arrangements, e.g. sample cells, spinning mechanisms
    • 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
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised 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
    • G01R33/3852—Gradient amplifiers; means for controlling the application of a gradient magnetic field to the sample, e.g. a gradient signal synthesizer
    • 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
    • G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription
    • 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
    • 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
    • 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
    • A61B5/004—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 adapted for image acquisition of a particular organ or body part

Abstract

resumo sistema de exame de ressonância magnética sistema de exame de ressonância magnética que compreende uma disposição de rf com uma antena de rf para obter sinais de ressonância magnética de um objeto a ser examinado e uma disposição de detecção de movimentos para detectar informações de movimento do objeto. a disposição de detecção de movimentos é equipada com um ou mais sensores de movimento de antena de rf montados sobre a antena de rf e um ou mais sensores de movimento de objeto que serão fixados ao objeto. em um exemplo, os sensores de movimento são dispositivos integrados que possuem sensibilidade de movimento ao longo de três eixos independentes. 1/1
BR112014031569A 2012-06-21 2013-06-17 sistema de exame de ressonância magnética BR112014031569A8 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261662503P 2012-06-21 2012-06-21
PCT/IB2013/054960 WO2013190451A1 (en) 2012-06-21 2013-06-17 Magnetic resonance examination system with motion detection

Publications (2)

Publication Number Publication Date
BR112014031569A2 true BR112014031569A2 (pt) 2017-06-27
BR112014031569A8 BR112014031569A8 (pt) 2021-03-02

Family

ID=49036606

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014031569A BR112014031569A8 (pt) 2012-06-21 2013-06-17 sistema de exame de ressonância magnética

Country Status (7)

Country Link
US (1) US10702212B2 (pt)
EP (1) EP2863795B1 (pt)
JP (2) JP6697878B2 (pt)
CN (1) CN104470426B (pt)
BR (1) BR112014031569A8 (pt)
RU (2) RU2018145719A (pt)
WO (1) WO2013190451A1 (pt)

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DE102012216303A1 (de) * 2012-09-13 2014-03-13 Siemens Aktiengesellschaft Magnetresonanzaufnahmeeinheit sowie eine Magnetresonanzvorrichtung mit der Magnetresonanzaufnahmeeinheit
WO2015173817A2 (en) * 2014-05-13 2015-11-19 Aspect Imaging Ltd. Protective and immobilizing sleeves with sensors, and methods for reducing the effect of object movement during MRI scanning
DE102015200510A1 (de) * 2015-01-15 2016-07-21 Siemens Healthcare Gmbh Bewegungssensor
JP6987040B2 (ja) 2015-08-28 2021-12-22 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. 運動関係を決定する方法及び装置
DE102016125156B4 (de) 2015-12-23 2023-08-10 Volkswagen Aktiengesellschaft Verfahren zur Reinigung eines Kraftstoff-Einspritzventils mittels Ultraschallanregung
US10466332B2 (en) * 2017-02-21 2019-11-05 General Electric Company Systems and methods for an interleaved RF coil acquisition scheme
EP3486672A1 (en) * 2017-11-16 2019-05-22 Koninklijke Philips N.V. Magnetic resonance imaging system with rf motion detection
EP3674736A1 (en) * 2018-12-24 2020-07-01 Koninklijke Philips N.V. Adjusting of radiofrequency array using a camera system
EP4253979A1 (en) * 2022-03-28 2023-10-04 Koninklijke Philips N.V. Magnetic resonance receiver coil array with sensor node

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JPH0683002U (ja) * 1993-05-18 1994-11-29 ジーイー横河メディカルシステム株式会社 Ｒｆ磁場補正装置
US6612992B1 (en) * 2000-03-02 2003-09-02 Acuson Corp Medical diagnostic ultrasound catheter and method for position determination
JP4634570B2 (ja) * 2000-06-05 2011-02-16 株式会社東芝 Ｍｒｉ装置
DE10130071A1 (de) * 2001-06-21 2003-02-13 Philips Corp Intellectual Pty MR-Verfahren und MR-Anordnung mit Mitteln zur Korrektur von Positions- und/oder Lageänderungen von Spulen
WO2003098268A1 (en) * 2002-05-17 2003-11-27 Musc Foundation For Research Development Method, apparatus, and system for automatically positioning a probe or sensor
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
US7251521B2 (en) * 2003-11-19 2007-07-31 Igc Medical Advances, Inc. Motion sensing MRI local coil
US20080081980A1 (en) * 2006-09-18 2008-04-03 Michael Maschke Apparatus and process for stroke examination and treatment using a C-arch X-ray system
EP2185072B1 (en) * 2007-08-10 2017-12-20 Koninklijke Philips N.V. Motion detection in medical systems
DE102008010717A1 (de) * 2008-02-22 2009-08-27 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur Anzeige einer medizinischen Bildinformation sowie bildgebendes System mit einer derartigen Vorrichtung
FR2929464B1 (fr) * 2008-03-28 2011-09-09 Commissariat Energie Atomique Nano resonnateur magnetique
DE102008064105A1 (de) * 2008-12-19 2010-07-08 Siemens Aktiengesellschaft Vorrichtung zur Positionsbestimmung von wenigstens einer an einer Patientenliege einer Magnetresonanzeinrichtung angeordneten oder anzuordnenden Lokalspule, Magnetresonanzanlage mit einer solchen Vorrichtung und zugehöriges Verfahren
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WO2011033422A1 (en) 2009-09-17 2011-03-24 Koninklijke Philips Electronics N.V. Mr imaging system comprising physiological sensors
DE102012216327B4 (de) 2012-09-13 2021-01-14 Siemens Healthcare Gmbh Verfahren zur Erfassung einer Bewegung eines Patienten während einer medizinischen Bildgebungsuntersuchung

Also Published As

Publication number Publication date
US20150150511A1 (en) 2015-06-04
EP2863795A1 (en) 2015-04-29
US10702212B2 (en) 2020-07-07
BR112014031569A8 (pt) 2021-03-02
JP6695474B2 (ja) 2020-05-20
EP2863795B1 (en) 2023-05-31
RU2015101713A (ru) 2016-08-10
CN104470426A (zh) 2015-03-25
JP2019134959A (ja) 2019-08-15
RU2018145719A (ru) 2019-01-25
CN104470426B (zh) 2021-05-25
JP6697878B2 (ja) 2020-05-27
JP2015519989A (ja) 2015-07-16
WO2013190451A1 (en) 2013-12-27

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Legal Events

Date Code Title Description
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]
B15I Others concerning applications: loss of priority

Free format text: PERDA DA PRIORIDADE US 61/662,503 DE 21/06/2012, CONFORME AS DISPOSICOES PREVISTAS NA LEI9.279 DE 14/05/1996 (LPI) ART. 16 7O E NO ART. 29 DA RESOLUCAO INPI-PR 77/2013, POR NAOATENDER AO DISPOSTO NO ART. 2 DA RESOLUCAO INPI-PR 179/2017, POIS NAO FOI APRESENTADA CESSAODA REFERIDA PRIORIDADE, QUE POSSUI DEPOSITANTE DIFERENTE DO DEPOSITANTE DA FASE NACIONAL.

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 9A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2675 DE 12-04-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.