CN113795765B - 使用双极扩散梯度的双回波稳态mr成像 - Google Patents

使用双极扩散梯度的双回波稳态mr成像

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Publication number
CN113795765B
CN113795765B CN202080034607.5A CN202080034607A CN113795765B CN 113795765 B CN113795765 B CN 113795765B CN 202080034607 A CN202080034607 A CN 202080034607A CN 113795765 B CN113795765 B CN 113795765B
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CN
China
Prior art keywords
echo
diffusion
signal
free induction
induction decay
Prior art date
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Active
Application number
CN202080034607.5A
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English (en)
Chinese (zh)
Other versions
CN113795765A (zh
Inventor
J·库普
U·W·卡切尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
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Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN113795765A publication Critical patent/CN113795765A/zh
Application granted granted Critical
Publication of CN113795765B publication Critical patent/CN113795765B/zh
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Classifications

    • 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
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5613—Generating steady state signals, e.g. low flip angle sequences [FLASH]
    • 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
    • G01R33/56341—Diffusion 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
    • G01R33/44—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
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5613—Generating steady state signals, e.g. low flip angle sequences [FLASH]
    • G01R33/5614—Generating steady state signals, e.g. low flip angle sequences [FLASH] using a fully balanced steady-state free precession [bSSFP] pulse sequence, e.g. trueFISP

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Signal Processing (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
CN202080034607.5A 2019-05-09 2020-05-06 使用双极扩散梯度的双回波稳态mr成像 Active CN113795765B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19173509.1A EP3736593A1 (en) 2019-05-09 2019-05-09 Dual echo steady state mr imaging using bipolar diffusion gradients
EP19173509.1 2019-05-09
PCT/EP2020/062552 WO2020225291A1 (en) 2019-05-09 2020-05-06 Dual echo steady state mr imaging using bipolar diffusion gradients

Publications (2)

Publication Number Publication Date
CN113795765A CN113795765A (zh) 2021-12-14
CN113795765B true CN113795765B (zh) 2025-09-30

Family

ID=66476490

Family Applications (1)

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CN202080034607.5A Active CN113795765B (zh) 2019-05-09 2020-05-06 使用双极扩散梯度的双回波稳态mr成像

Country Status (5)

Country Link
US (1) US11815582B2 (https=)
EP (2) EP3736593A1 (https=)
JP (1) JP7359870B2 (https=)
CN (1) CN113795765B (https=)
WO (1) WO2020225291A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE102024207452A1 (de) 2024-08-06 2026-02-12 Siemens Healthineers Ag Computerimplementiertes Verfahren zur Aufnahme von Magnetresonanzdaten mit einer Magnetresonanzeinrichtung, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107153169A (zh) * 2017-07-04 2017-09-12 大连锐谱科技有限责任公司 一种稳态进动梯度多回波水脂分离成像方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10250922B4 (de) * 2002-10-31 2008-01-31 Siemens Ag Verfahren zur Ermittlung des ADC-Koeffizienten in der Diffusionsgewichteten Magnetresonanz-Bildgebung bei Verwendung von Steady-State-Sequenzen
WO2010035569A1 (ja) * 2008-09-25 2010-04-01 株式会社 日立メディコ 磁気共鳴イメージング装置
US8508225B2 (en) * 2010-11-10 2013-08-13 The Board Of Trustees Of The Leland Stanford Junior University T2-weighted and diffusion-weighted imaging using fast acquisition with double echo (FADE)
US8497680B2 (en) * 2011-03-24 2013-07-30 University Hospital Of Basel Magnetic resonance method for quantification of molecular diffusion using double echo steady state sequences
RU2616984C2 (ru) * 2011-10-18 2017-04-19 Конинклейке Филипс Н.В. Магнитно-резонансная (mr) томография электрических свойств
BR112014015398A8 (pt) * 2011-12-23 2017-07-04 Koninklijke Philips Nv método de obtenção de imagem por mr de um corpo colocado no volume de exame de um dispositivo mr, dispositivo de mr para realizar o método e programa de computador a ser executado em um dispositivo de mr
DE102013201616B3 (de) * 2013-01-31 2014-07-17 Siemens Aktiengesellschaft TSE-basierte, gegen lokale B0-Feldvariationen unempfindliche MR-Mulitschicht-Anregung
EP3754357A1 (en) * 2019-06-20 2020-12-23 Koninklijke Philips N.V. Magnetic resonance electric properties tomography without contrast agent

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107153169A (zh) * 2017-07-04 2017-09-12 大连锐谱科技有限责任公司 一种稳态进动梯度多回波水脂分离成像方法

Also Published As

Publication number Publication date
EP3966583B1 (en) 2023-12-20
JP2022522240A (ja) 2022-04-14
EP3966583A1 (en) 2022-03-16
CN113795765A (zh) 2021-12-14
US11815582B2 (en) 2023-11-14
EP3736593A1 (en) 2020-11-11
JP7359870B2 (ja) 2023-10-11
US20220236357A1 (en) 2022-07-28
WO2020225291A1 (en) 2020-11-12

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