RU2713806C2 - Томография костей в магнитно-резонансной томографии с использованием карты неоднородностей b0 - Google Patents

Томография костей в магнитно-резонансной томографии с использованием карты неоднородностей b0 Download PDF

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RU2713806C2
RU2713806C2 RU2018100158A RU2018100158A RU2713806C2 RU 2713806 C2 RU2713806 C2 RU 2713806C2 RU 2018100158 A RU2018100158 A RU 2018100158A RU 2018100158 A RU2018100158 A RU 2018100158A RU 2713806 C2 RU2713806 C2 RU 2713806C2
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magnetic resonance
magnetic field
magnetic
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RU2018100158A
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RU2018100158A3 (enExample
RU2018100158A (ru
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Петер БЕРНЕРТ
Кай НЕРКЕ
Хольгер ЭГГЕРС
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Конинклейке Филипс Н.В.
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/4808Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
    • G01R33/4812MR combined with X-ray or computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/103Treatment planning systems
    • A61N5/1039Treatment planning systems using functional images, e.g. PET or MRI
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048Monitoring, verifying, controlling systems and methods
    • A61N5/1049Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/443Assessment of an electric or a magnetic field, e.g. spatial mapping, determination of a B0 drift or dosimetry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/4816NMR imaging of samples with ultrashort relaxation times such as solid samples, e.g. MRI using ultrashort TE [UTE], single point imaging, constant time imaging
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/4828Resolving the MR signals of different chemical species, e.g. water-fat imaging
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/54Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/54Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56536Correction of image distortions, e.g. due to magnetic field inhomogeneities due to magnetic susceptibility variations
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/54Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56563Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048Monitoring, verifying, controlling systems and methods
    • A61N5/1049Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
    • A61N2005/1055Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using magnetic resonance imaging [MRI]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/4808Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
    • G01R33/481MR combined with positron emission tomography [PET] or single photon emission computed tomography [SPECT]

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Pulmonology (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Nuclear Medicine (AREA)
  • Radiation-Therapy Devices (AREA)
RU2018100158A 2015-06-12 2016-06-07 Томография костей в магнитно-резонансной томографии с использованием карты неоднородностей b0 RU2713806C2 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15171882.2 2015-06-12
EP15171882 2015-06-12
PCT/EP2016/062820 WO2016198363A1 (en) 2015-06-12 2016-06-07 Bone mri using a b0 inhomogenity map and a subject magnetic susceptibility map

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RU2018100158A RU2018100158A (ru) 2019-07-15
RU2018100158A3 RU2018100158A3 (enExample) 2019-10-04
RU2713806C2 true RU2713806C2 (ru) 2020-02-07

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US (1) US10591562B2 (enExample)
EP (1) EP3308185B1 (enExample)
JP (1) JP6700316B2 (enExample)
CN (1) CN107743588B (enExample)
RU (1) RU2713806C2 (enExample)
WO (1) WO2016198363A1 (enExample)

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WO2016089976A1 (en) * 2014-12-04 2016-06-09 General Electric Company Method and system for improved classification of constituent materials
EP3591418A1 (en) * 2018-07-03 2020-01-08 Koninklijke Philips N.V. Mri method for b0-mapping
US11158062B2 (en) * 2019-02-13 2021-10-26 Sectra Ab Automated implant movement analysis systems and related methods
JP7236894B2 (ja) * 2019-03-20 2023-03-10 住友重機械工業株式会社 荷電粒子線治療装置
EP3726240A1 (en) * 2019-04-19 2020-10-21 Koninklijke Philips N.V. Automated detection of water-fat swaps in dixon magnetic resonance imaging
EP3751300A1 (en) * 2019-06-13 2020-12-16 Koninklijke Philips N.V. Reconstruction of spiral k-space sampled magnetic resonance images
EP3893013A1 (en) 2020-04-06 2021-10-13 Koninklijke Philips N.V. Mr imaging for radiation therapy planning
CN112754459A (zh) * 2020-12-23 2021-05-07 上海交通大学 骨骼组织定量成像方法、系统、介质及终端
US12487299B2 (en) 2022-06-20 2025-12-02 Shanghai United Imaging Healthcare Co., Ltd. Magnetic resonance imaging devices and radiation therapy systems including the magnetic resonance imaging devices

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US20180180693A1 (en) 2018-06-28
EP3308185B1 (en) 2021-10-20
JP2018522624A (ja) 2018-08-16
WO2016198363A1 (en) 2016-12-15
EP3308185A1 (en) 2018-04-18
US10591562B2 (en) 2020-03-17
RU2018100158A3 (enExample) 2019-10-04
JP6700316B2 (ja) 2020-05-27
CN107743588B (zh) 2020-11-27
RU2018100158A (ru) 2019-07-15
CN107743588A (zh) 2018-02-27

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