KR101663367B1 - 물의 t1 시간 및 지방의 t1 시간을 결정하는 자기 공명 시스템 및 방법 - Google Patents

물의 t1 시간 및 지방의 t1 시간을 결정하는 자기 공명 시스템 및 방법 Download PDF

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KR101663367B1
KR101663367B1 KR1020140101697A KR20140101697A KR101663367B1 KR 101663367 B1 KR101663367 B1 KR 101663367B1 KR 1020140101697 A KR1020140101697 A KR 1020140101697A KR 20140101697 A KR20140101697 A KR 20140101697A KR 101663367 B1 KR101663367 B1 KR 101663367B1
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echo
time
magnetization
fat
flip angle
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KR20150018452A (ko
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스테판 카네기에쎄르
마르셀 도미니크 닉켈
시아오동 종
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지멘스 악티엔게젤샤프트
지멘스 메디컬 솔루션즈 유에스에이, 인크.
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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
    • G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat 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
    • G01R33/32—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
    • G01R33/3664—Switching for purposes other than coil coupling or decoupling, e.g. switching between a phased array mode and a quadrature mode, switching between surface coil modes of different geometrical shapes, switching from a whole body reception coil to a local reception coil or switching for automatic coil selection in moving table MR or for changing the field-of-view
    • 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
    • G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo 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
    • G01R33/543—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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
KR1020140101697A 2013-08-08 2014-08-07 물의 t1 시간 및 지방의 t1 시간을 결정하는 자기 공명 시스템 및 방법 Expired - Fee Related KR101663367B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310215703 DE102013215703B3 (de) 2013-08-08 2013-08-08 Bestimmung einer T1-Zeit von Wasser und einer T1-Zeit von Fett
DE102013215703.7 2013-08-08

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KR20150018452A KR20150018452A (ko) 2015-02-23
KR101663367B1 true KR101663367B1 (ko) 2016-10-06

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US (1) US10024939B2 (enExample)
JP (1) JP6422700B2 (enExample)
KR (1) KR101663367B1 (enExample)
CN (1) CN104345289B (enExample)
DE (1) DE102013215703B3 (enExample)

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US8970217B1 (en) 2010-04-14 2015-03-03 Hypres, Inc. System and method for noise reduction in magnetic resonance imaging
KR101458557B1 (ko) * 2013-02-20 2014-11-07 삼성전자주식회사 상이한 숙임각을 갖는 자기 공명 영상 시스템에서 주자장 정보 및 라디오 펄스 관련 정보를 획득하기 위한 방법 및 장치
EP2992351B1 (en) * 2013-04-03 2019-08-07 Koninklijke Philips N.V. Dixon-type water/fat separation mri using high-snr in-phase image and lower-snr at least partially out-of-phase image
DE102013217651B4 (de) * 2013-09-04 2016-03-24 Siemens Aktiengesellschaft Mehrpunkt Dixon-Technik
EP3084459A1 (en) * 2013-12-19 2016-10-26 Koninklijke Philips N.V. Mri with dixon-type water/fat separation with estimation of the main magnetic field variations
DE102015202062A1 (de) * 2015-02-05 2016-08-11 Siemens Healthcare Gmbh Rekonstruktion von Magnetresonanzbilddaten für mehrere chemische Substanzarten bei Multi-Echo-Bildgebungsverfahren
KR101775028B1 (ko) 2016-09-26 2017-09-05 삼성전자주식회사 자기 공명 영상 장치 및 자기 공명 영상 획득 방법
KR101852098B1 (ko) * 2016-11-25 2018-04-25 성균관대학교산학협력단 자기 공명 영상 장치 및 자기 공명 영상 생성 방법
JP7199352B2 (ja) * 2016-11-28 2023-01-05 コーニンクレッカ フィリップス エヌ ヴェ ダイナミック造影ｍｒｉにおける画質管理
US10613173B2 (en) 2017-04-07 2020-04-07 Siemens Healthcare Gmbh Method and magnetic resonance apparatus for generating a fat fraction-corrected T1 parameter map
EP3432018B1 (en) * 2017-07-17 2024-11-27 AMRA Medical AB Mri method for calculating a t2*-corrected proton density fat fraction
CN108294754B (zh) * 2018-01-11 2021-05-07 上海东软医疗科技有限公司 磁共振多参数定量成像方法和装置
WO2021030466A1 (en) * 2019-08-12 2021-02-18 The Medical College Of Wisconsin, Inc. Simultaneous multi-orientation magnetic resonance imaging
DE102019219862B4 (de) * 2019-12-17 2022-11-17 Siemens Healthcare Gmbh Kombinierte Bestimmung von T1 und eines Gewebeanteils
US11454687B2 (en) 2020-04-01 2022-09-27 Siemens Healthcare Gmbh Multi-echo radial look-locker imaging for simultaneous T1 and fat fraction quantification
US11119170B1 (en) * 2020-06-11 2021-09-14 Spintech, Inc. Systems and methods for enhancement of resolution for strategically acquired gradient echo (STAGE) imaging
CN114325523B (zh) * 2020-09-27 2023-10-03 上海联影医疗科技股份有限公司 T1值确定方法、装置、电子设备和存储介质
CN114167331B (zh) * 2021-12-07 2022-10-18 无锡鸣石峻致医疗科技有限公司 一种非均匀磁场下测量纵向弛豫时间的方法和设备
CN117148244A (zh) * 2022-05-24 2023-12-01 上海联影医疗科技股份有限公司 图像水脂分离方法、装置、设备和计算机可读存储介质
CN116973823B (zh) * 2023-09-25 2024-01-09 之江实验室 基于全稳态平衡进动的线扫描磁共振成像方法和系统

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JP2000135206A (ja) 1998-10-28 2000-05-16 Toshiba America Mri Inc ４重フィ―ルドエコ―シ―ケンスを用いて水と脂肪を定量的にｍｒ撮影する方法および装置
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US6459922B1 (en) * 1999-03-30 2002-10-01 Toshiba America Mri, Inc. Post data-acquisition method for generating water/fat separated MR images having adjustable relaxation contrast
US6603989B1 (en) * 2000-03-21 2003-08-05 Dmitriy A. Yablonskiy T2 contrast in magnetic resonance imaging with gradient echoes
WO2007098011A2 (en) * 2006-02-17 2007-08-30 Regents Of The University Of Minnesota High field magnetic resonance
JP5508697B2 (ja) 2007-10-04 2014-06-04 株式会社東芝 Ｍｒｉ装置
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US8488859B2 (en) * 2009-10-28 2013-07-16 Siemens Aktiengesellschaft Method for fat fraction quantification in magnetic resonance imaging
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JP2000135206A (ja) 1998-10-28 2000-05-16 Toshiba America Mri Inc ４重フィ―ルドエコ―シ―ケンスを用いて水と脂肪を定量的にｍｒ撮影する方法および装置
JP2006325834A (ja) 2005-05-25 2006-12-07 Hitachi Medical Corp 磁気共鳴イメージング装置

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DE102013215703B3 (de) 2015-02-05
JP6422700B2 (ja) 2018-11-14
KR20150018452A (ko) 2015-02-23
CN104345289A (zh) 2015-02-11
US20150042334A1 (en) 2015-02-12
CN104345289B (zh) 2017-09-22
US10024939B2 (en) 2018-07-17
JP2015033583A (ja) 2015-02-19

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