CN104345289B - 用于确定水的t1时间和脂肪的t1时间的方法和磁共振设备 - Google Patents

用于确定水的t1时间和脂肪的t1时间的方法和磁共振设备 Download PDF

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CN104345289B
CN104345289B CN201410389196.8A CN201410389196A CN104345289B CN 104345289 B CN104345289 B CN 104345289B CN 201410389196 A CN201410389196 A CN 201410389196A CN 104345289 B CN104345289 B CN 104345289B
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mrow
echo
msub
fat
time
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CN104345289A (zh
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S.坎南吉瑟
M.D.尼克尔
钟晓东
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Siemens Medical Ag
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Siemens Corp
Siemens Medical Solutions USA Inc
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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)
CN201410389196.8A 2013-08-08 2014-08-08 用于确定水的t1时间和脂肪的t1时间的方法和磁共振设备 Active CN104345289B (zh)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
CN104345289A CN104345289A (zh) 2015-02-11
CN104345289B true CN104345289B (zh) 2017-09-22

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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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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
US10274566B2 (en) * 2013-04-03 2019-04-30 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
WO2015091956A1 (en) * 2013-12-19 2015-06-25 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
EP3545327A1 (en) * 2016-11-28 2019-10-02 Koninklijke Philips N.V. Image quality control in dynamic contrast enhanced magnetic resonance imaging
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
ES3013572T3 (en) * 2017-07-17 2025-04-14 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
US12298371B2 (en) * 2019-08-12 2025-05-13 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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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
CN101401723A (zh) * 2007-10-04 2009-04-08 株式会社东芝 Mri装置
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Publication number Publication date
KR20150018452A (ko) 2015-02-23
CN104345289A (zh) 2015-02-11
KR101663367B1 (ko) 2016-10-06
DE102013215703B3 (de) 2015-02-05
US10024939B2 (en) 2018-07-17
US20150042334A1 (en) 2015-02-12
JP6422700B2 (ja) 2018-11-14
JP2015033583A (ja) 2015-02-19

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