RU2018145719A - Система магнитно-резонансных исследований с детектированием движения - Google Patents

Система магнитно-резонансных исследований с детектированием движения Download PDF

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Publication number
RU2018145719A
RU2018145719A RU2018145719A RU2018145719A RU2018145719A RU 2018145719 A RU2018145719 A RU 2018145719A RU 2018145719 A RU2018145719 A RU 2018145719A RU 2018145719 A RU2018145719 A RU 2018145719A RU 2018145719 A RU2018145719 A RU 2018145719A
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Russia
Prior art keywords
magnetic resonance
antenna
installation
movement
motion detection
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RU2018145719A
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English (en)
Inventor
ХЕЛВОРТ Маринус Йоханнес Адрианус Мария ВАН
Original Assignee
Конинклейке Филипс Н.В.
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Application filed by Конинклейке Филипс Н.В. filed Critical Конинклейке Филипс Н.В.
Publication of RU2018145719A publication Critical patent/RU2018145719A/ru

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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
    • A61B5/72—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

Claims (10)

1. Система магнитно-резонансных исследований, содержащая:
- РЧ-установку с РЧ-антенной для приема магнитно-резонансных сигналов от исследуемого объекта,
- установку для обнаружения движения, для выявления информации о движении объекта,
- процессор для обработки данных, для реконструкции магнитно-резонансного изображения на основе магнитно-резонансных сигналов,
- РЧ-установку, связанную с процессором для обработки данных, для подачи магнитно-резонансных сигналов на процессор для обработки данных,
- установку для обнаружения движения, связанную с процессором для обработки данных, для подачи выявленной информации о движении на блок обработки данных,
причем установка для обнаружения движения снабжена:
одним или более датчиками движения РЧ-антенны, закрепленными на РЧ-антенне, для обеспечения информации о движении РЧ-антенны, при этом РЧ-антенна сформирована в виде РЧ-приемной катушки, и датчики движения РЧ-антенны встроены в РЧ-приемную катушку, при этом РЧ-приемная катушка снабжена гибким элементом приемника, и датчики движения РЧ-антенны встроены в гибкие элементы приемников, и
одним или более датчиками движения объекта, прикрепляемыми к объекту, для обеспечения информации о движении объекта.
2. Система магнитно-резонансных исследований по п. 1, в которой датчики движения сформированы из устройств интегральных схем, обладающих чувствительностью к движению по трем независимым осям.
RU2018145719A 2012-06-21 2013-06-17 Система магнитно-резонансных исследований с детектированием движения RU2018145719A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261662503P 2012-06-21 2012-06-21
US61/662,503 2012-06-21

Related Parent Applications (1)

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RU2015101713A Division RU2015101713A (ru) 2012-06-21 2013-06-17 Система магнитно-резонансных исследований с детектированием движения

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RU2018145719A true RU2018145719A (ru) 2019-01-25

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RU2018145719A RU2018145719A (ru) 2012-06-21 2013-06-17 Система магнитно-резонансных исследований с детектированием движения

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US (1) US10702212B2 (ru)
EP (1) EP2863795B1 (ru)
JP (2) JP6697878B2 (ru)
CN (1) CN104470426B (ru)
BR (1) BR112014031569A8 (ru)
RU (2) RU2015101713A (ru)
WO (1) WO2013190451A1 (ru)

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CN104470426A (zh) 2015-03-25
JP6695474B2 (ja) 2020-05-20
EP2863795B1 (en) 2023-05-31
WO2013190451A1 (en) 2013-12-27
EP2863795A1 (en) 2015-04-29
CN104470426B (zh) 2021-05-25
BR112014031569A2 (pt) 2017-06-27
US10702212B2 (en) 2020-07-07
JP2015519989A (ja) 2015-07-16
BR112014031569A8 (pt) 2021-03-02
JP6697878B2 (ja) 2020-05-27
RU2015101713A (ru) 2016-08-10
JP2019134959A (ja) 2019-08-15
US20150150511A1 (en) 2015-06-04

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Effective date: 20160620