JP6980917B2 - Ｒｆ動き検出を有する磁気共鳴イメージングシステム - Google Patents

Ｒｆ動き検出を有する磁気共鳴イメージングシステム Download PDF

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JP6980917B2
JP6980917B2 JP2020527099A JP2020527099A JP6980917B2 JP 6980917 B2 JP6980917 B2 JP 6980917B2 JP 2020527099 A JP2020527099 A JP 2020527099A JP 2020527099 A JP2020527099 A JP 2020527099A JP 6980917 B2 JP6980917 B2 JP 6980917B2
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signal
magnetic resonance
coil
patient
sensor
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JP2021503337A (ja
JP2021503337A5 (https=
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クリストフ リュースラ
ダニエル ウィルツ
ティム ニールセン
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Koninklijke Philips NV
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    • 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
    • G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
    • G01R33/5673—Gating or triggering based on a physiological signal other than an MR signal, e.g. ECG gating or motion monitoring using optical systems for monitoring the motion of a fiducial marker
    • 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
    • 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
    • G01R33/34007—Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
    • 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3692—Electrical details, e.g. matching or coupling of the coil to the receiver involving signal transmission without using electrically conductive connections, e.g. wireless communication or optical communication of the MR signal or an auxiliary signal other than the MR signal
    • 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
    • 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
    • G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Physiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Cardiology (AREA)
  • Power Engineering (AREA)
  • Pulmonology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2020527099A 2017-11-16 2018-11-09 Ｒｆ動き検出を有する磁気共鳴イメージングシステム Active JP6980917B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17202078.6 2017-11-16
EP17202078.6A EP3486672A1 (en) 2017-11-16 2017-11-16 Magnetic resonance imaging system with rf motion detection
PCT/EP2018/080825 WO2019096707A1 (en) 2017-11-16 2018-11-09 Magnetic resonance imaging system with rf motion detection

Publications (3)

Publication Number Publication Date
JP2021503337A JP2021503337A (ja) 2021-02-12
JP2021503337A5 JP2021503337A5 (https=) 2021-10-21
JP6980917B2 true JP6980917B2 (ja) 2021-12-15

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JP2020527099A Active JP6980917B2 (ja) 2017-11-16 2018-11-09 Ｒｆ動き検出を有する磁気共鳴イメージングシステム

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Country Link
US (1) US11181600B2 (https=)
EP (2) EP3486672A1 (https=)
JP (1) JP6980917B2 (https=)
CN (1) CN111480089B (https=)
WO (1) WO2019096707A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3742184A1 (en) * 2019-05-20 2020-11-25 Koninklijke Philips N.V. Multi-channel pilot tone motion detection
EP3741293B1 (en) * 2019-05-24 2021-06-30 Siemens Healthcare GmbH Method and system for measuring blood flow
US20210124001A1 (en) 2019-10-25 2021-04-29 Hyperfine Research, Inc. Systems and methods for detecting patient motion during magnetic resonance imaging
EP3816647B1 (en) 2019-10-28 2024-06-26 Siemens Healthineers AG Method and system for monitoring a motion of a subject, and corresponding computer program product
JP7526578B2 (ja) 2020-03-31 2024-08-01 キヤノンメディカルシステムズ株式会社 生体情報モニタ装置及び磁気共鳴イメージング装置
US11925419B2 (en) 2020-12-30 2024-03-12 Shanghai United Imaging Healthcare Co., Ltd. Systems and methods for position determination
CN112798995B (zh) * 2020-12-30 2022-11-25 上海联影医疗科技股份有限公司 应用于磁共振成像的运动监测方法以及磁共振成像系统
EP4151148A1 (en) * 2021-09-17 2023-03-22 UMC Utrecht Holding B.V. System for determining a physiological parameter of a subject
EP4544997A1 (en) * 2023-10-26 2025-04-30 Siemens Healthineers AG Method for acquiring a motion detection signal

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US4712560A (en) 1985-08-09 1987-12-15 General Electric Company Apparatus and method of acquiring physiological gating signals for magnetic resonance imaging of moving objects
JPH02180404A (ja) * 1988-12-30 1990-07-13 Nippon Mektron Ltd 平面受信アンテナ装置
US20080039718A1 (en) * 2006-08-12 2008-02-14 Philometron Platform for detection of tissue structure change
GB2449081B (en) * 2007-05-08 2009-03-18 Laerdal Medical As Breathing detection
DE102009041261A1 (de) * 2009-09-11 2011-03-31 Siemens Aktiengesellschaft Kombiniertes Bildgebungssystem, umfassend ein Magnetresonanzsystem sowie ein UWB-Radar
CN101785672B (zh) * 2010-01-29 2011-08-31 重庆大学 基于磁共振波谱成像的乳腺肿瘤诊断系统
US20120095322A1 (en) 2010-09-08 2012-04-19 Tsekos Nikolaos V Devices, systems and methods for multimodal biosensing and imaging
EP2729824B1 (en) 2011-07-04 2021-05-12 Koninklijke Philips N.V. Magnetic resonance imaging system with a multi-channel impedance matching network
CN104470426B (zh) * 2012-06-21 2021-05-25 皇家飞利浦有限公司 具有运动检测的磁共振检查系统
DE102012216303A1 (de) * 2012-09-13 2014-03-13 Siemens Aktiengesellschaft Magnetresonanzaufnahmeeinheit sowie eine Magnetresonanzvorrichtung mit der Magnetresonanzaufnahmeeinheit
US10401463B2 (en) * 2012-09-24 2019-09-03 Koninklijke Philips N.V. Breath-hold detection for magnetic resonance imaging
WO2014141109A1 (en) 2013-03-13 2014-09-18 Koninklijke Philips N.V. Multi-element rf transmit coil for magnetic resonance imaging
DE102013212819A1 (de) * 2013-07-01 2015-01-08 Siemens Aktiengesellschaft Radarsystem für den medizinischen Einsatz
KR101723497B1 (ko) * 2013-08-30 2017-04-05 지멘스 악티엔게젤샤프트 생물의 호흡수를 결정하기 위한 방법，및 호흡수 결정 시스템 및 자기 공명 이미징 디바이스
DE102014207124A1 (de) * 2014-04-14 2015-10-15 Siemens Aktiengesellschaft Medizinische Bildgebungsvorrichtung
DE102014208537A1 (de) * 2014-05-07 2015-11-12 Siemens Aktiengesellschaft Magnetresonanzvorrichtung mit einer Bewegungserfassungseinheit sowie ein Verfahren zu einer Erfassung einer Bewegung eines Patienten während einer Magnetresonanzuntersuchung
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KR101688434B1 (ko) * 2015-08-25 2016-12-23 재단법인대구경북과학기술원 영상 획득 장치 및 방법
DE102015224158A1 (de) * 2015-12-03 2017-06-08 Siemens Healthcare Gmbh Signalsender für Pilotton-Navigation
EP3633401A1 (en) * 2018-10-04 2020-04-08 Siemens Healthcare GmbH Prevention of compensating a wrongly detected motion in mri

Also Published As

Publication number Publication date
WO2019096707A1 (en) 2019-05-23
EP3710846A1 (en) 2020-09-23
US11181600B2 (en) 2021-11-23
US20200284863A1 (en) 2020-09-10
JP2021503337A (ja) 2021-02-12
CN111480089A (zh) 2020-07-31
EP3486672A1 (en) 2019-05-22
CN111480089B (zh) 2023-07-07

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