JP6422700B2 - 水のｔ１時間と脂肪のｔ１時間を求める方法および磁気共鳴装置 - Google Patents

水のｔ１時間と脂肪のｔ１時間を求める方法および磁気共鳴装置 Download PDF

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JP6422700B2
JP6422700B2 JP2014161508A JP2014161508A JP6422700B2 JP 6422700 B2 JP6422700 B2 JP 6422700B2 JP 2014161508 A JP2014161508 A JP 2014161508A JP 2014161508 A JP2014161508 A JP 2014161508A JP 6422700 B2 JP6422700 B2 JP 6422700B2
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fat
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JP2015033583A (ja
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カンネンギーサー シュテファン
カンネンギーサー シュテファン
ドミニク ニッケル マーセル
ドミニク ニッケル マーセル
ジョーン シヤオドーン
ジョーン シヤオドーン
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シーメンス ヘルスケア ゲゼルシヤフト ミツト ベシユレンクテル ハフツング
シーメンス ヘルスケア ゲゼルシヤフト ミツト ベシユレンクテル ハフツング
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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)
  • Biophysics (AREA)
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  • Heart & Thoracic Surgery (AREA)
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  • Animal Behavior & Ethology (AREA)
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JP2014161508A 2013-08-08 2014-08-07 水のｔ１時間と脂肪のｔ１時間を求める方法および磁気共鳴装置 Active JP6422700B2 (ja)

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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JP2015033583A JP2015033583A (ja) 2015-02-19
JP2015033583A5 JP2015033583A5 (enExample) 2017-07-27
JP6422700B2 true JP6422700B2 (ja) 2018-11-14

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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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US20220283251A1 (en) * 2019-08-12 2022-09-08 The Medical College Of Wisconsin, Inc. Simultaneous Multi-Orientation Magnetic Resonance Imaging

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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
JP6446027B2 (ja) * 2013-04-03 2018-12-26 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 高ｓｎｒの同相画像及び低ｓｎｒの少なくとも部分的に異相の画像を使用するディクソン型の水／脂肪分離ｍｒｉ
DE102013217651B4 (de) 2013-09-04 2016-03-24 Siemens Aktiengesellschaft Mehrpunkt Dixon-Technik
CN105934683B (zh) * 2013-12-19 2019-05-28 皇家飞利浦有限公司 具有对主磁场变化的估计的dixon型水/脂肪分离的mri
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
WO2018096006A1 (en) * 2016-11-28 2018-05-31 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
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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US12298371B2 (en) * 2019-08-12 2025-05-13 The Medical College Of Wisconsin, Inc. Simultaneous multi-orientation magnetic resonance imaging

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JP2015033583A (ja) 2015-02-19
US10024939B2 (en) 2018-07-17
CN104345289B (zh) 2017-09-22
CN104345289A (zh) 2015-02-11
DE102013215703B3 (de) 2015-02-05
KR101663367B1 (ko) 2016-10-06
KR20150018452A (ko) 2015-02-23
US20150042334A1 (en) 2015-02-12

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