CN103620437B - 使用具有fid和多梯度回波采集的超短回波时间脉冲序列以及水‑脂肪分离处理的骨mri - Google Patents

使用具有fid和多梯度回波采集的超短回波时间脉冲序列以及水‑脂肪分离处理的骨mri Download PDF

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CN103620437B
CN103620437B CN201280031636.1A CN201280031636A CN103620437B CN 103620437 B CN103620437 B CN 103620437B CN 201280031636 A CN201280031636 A CN 201280031636A CN 103620437 B CN103620437 B CN 103620437B
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image
data
magnetic resonance
bone
images
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CN103620437A (zh
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J·F·弗兰克
M·A·梅尔茨内尔
V·舒尔茨
M·S·柯蒂斯
L·沃纳
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Koninklijke Philips NV
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/103—Treatment planning systems
    • A61N5/1039—Treatment planning systems using functional images, e.g. PET or MRI
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4417—Constructional features of apparatus for radiation diagnosis related to combined acquisition of different diagnostic modalities
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Clinical applications
    • A61B8/0875—Clinical applications for diagnosis of bone
    • 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
    • G01R33/4816—NMR imaging of samples with ultrashort relaxation times such as solid samples, e.g. MRI using ultrashort TE [UTE], single point imaging, constant time 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
    • G01R33/4828—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
    • G01R33/44—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
    • G01R33/5608—Data processing and visualization specially adapted for MR, e.g. for feature analysis and pattern recognition on the basis of measured MR data, segmentation of measured MR data, edge contour detection on the basis of measured MR data, for enhancing measured MR data in terms of signal-to-noise ratio by means of noise filtering or apodization, for enhancing measured MR data in terms of resolution by means for deblurring, windowing, zero filling, or generation of gray-scaled images, colour-coded images or images displaying vectors instead of pixels
    • 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
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • G01R33/5616—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE] using gradient refocusing, e.g. EPI
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/037—Emission tomography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/5215—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data
    • A61B8/5238—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data for combining image data of patient, e.g. merging several images from different acquisition modes into one image
    • A61B8/5261—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data for combining image data of patient, e.g. merging several images from different acquisition modes into one image combining images from different diagnostic modalities, e.g. ultrasound and X-ray
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
    • A61N2005/1052—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using positron emission tomography [PET] single photon emission computer tomography [SPECT] imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
    • A61N2005/1055—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using magnetic resonance imaging [MRI]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
    • A61N2005/1061—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using an x-ray imaging system having a separate imaging source
    • A61N2005/1062—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using an x-ray imaging system having a separate imaging source using virtual X-ray images, e.g. digitally reconstructed radiographs [DRR]
    • 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
    • G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
    • 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
    • G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
    • G01R33/481—MR combined with positron emission tomography [PET] or single photon emission computed tomography [SPECT]

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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
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  • Molecular Biology (AREA)
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  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Rheumatology (AREA)
  • Optics & Photonics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Radiation-Therapy Devices (AREA)
CN201280031636.1A 2011-06-27 2012-06-18 使用具有fid和多梯度回波采集的超短回波时间脉冲序列以及水‑脂肪分离处理的骨mri Expired - Fee Related CN103620437B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP11171444 2011-06-27
EP11171444.0 2011-06-27
US201261636103P 2012-04-20 2012-04-20
US61/636,103 2012-04-20
PCT/IB2012/053050 WO2013001399A2 (en) 2011-06-27 2012-06-18 Magnetic resonance imaging of bone tissue

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CN103620437A CN103620437A (zh) 2014-03-05
CN103620437B true CN103620437B (zh) 2017-10-27

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US (2) US9504851B2 (https=)
EP (1) EP2724172A2 (https=)
JP (1) JP2014523310A (https=)
CN (1) CN103620437B (https=)
WO (1) WO2013001399A2 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108187247A (zh) * 2017-12-28 2018-06-22 中国科学院深圳先进技术研究院 磁共振引导聚焦超声的聚焦靶点调整系统、方法及装置

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2608975C2 (ru) * 2012-03-29 2017-01-30 Конинклейке Филипс Н.В. Способ магниторезонансной томографии (mri) для назначения индивидуальным пикселам или вокселам специфических для ткани значений ослабления позитронно-эмиссионной томографии (рет)
US9404983B2 (en) 2013-03-12 2016-08-02 Viewray, Incorporated Radio frequency transmit coil for magnetic resonance imaging system
JP5966112B1 (ja) * 2013-04-02 2016-08-10 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 磁気共鳴画像法を使用した骨組織の検出
BR112015031515A2 (pt) * 2013-06-21 2017-07-25 Koninklijke Philips Nv aparelho, e, câmara para um criostato
US10126391B2 (en) * 2013-07-19 2018-11-13 Koninklijke Philips N.V. Reducing interference in a combined assembly for MRI and nuclear imaging
CN105556327B (zh) * 2013-09-16 2019-11-05 皇家飞利浦有限公司 使用具有折叠伪影减少的经修改的dixon序列的mri
CN105579861B (zh) * 2013-09-23 2019-07-12 皇家飞利浦有限公司 在具有dixon脉冲序列的pet/mr成像中的基于mr的衰减校正
US10258810B2 (en) 2013-09-27 2019-04-16 Mevion Medical Systems, Inc. Particle beam scanning
US10543380B2 (en) * 2013-09-30 2020-01-28 Koninklijke Philips N.V. Alignment of the coordinate systems of external beam radiotherapy and magnetic resonance imaging systems
CN105658278B (zh) 2013-10-17 2019-12-03 皇家飞利浦有限公司 具有辐射治疗设备和辐射探测系统的医学装置
CN105793721B (zh) * 2013-12-02 2020-03-03 皇家飞利浦有限公司 使用零回波时间脉冲序列的磁共振成像系统
WO2015086476A1 (en) * 2013-12-12 2015-06-18 Koninklijke Philips N.V. Zero echo time mr imaging with water/fat separation
US10675487B2 (en) 2013-12-20 2020-06-09 Mevion Medical Systems, Inc. Energy degrader enabling high-speed energy switching
US9962560B2 (en) 2013-12-20 2018-05-08 Mevion Medical Systems, Inc. Collimator and energy degrader
US9661736B2 (en) 2014-02-20 2017-05-23 Mevion Medical Systems, Inc. Scanning system for a particle therapy system
US9618593B2 (en) * 2014-03-18 2017-04-11 Siemens Healthcare Gmbh Phase enhanced UTE with improved fat suppression
EP2937039B1 (en) * 2014-04-25 2022-04-20 AMRA Medical AB Lean tissue water concentration quantification
EP3150127B1 (en) * 2014-05-28 2021-10-06 Shenzhen Mindray Bio-Medical Electronics Co., Ltd. Ultrasonic imaging method and system
RU2681075C2 (ru) * 2014-06-27 2019-03-01 Конинклейке Филипс Н.В. Терапия пучками заряженных частиц и магнитно-резонансная томография
CN107076818B (zh) * 2014-09-12 2019-11-05 皇家飞利浦有限公司 零回波时间mr成像
CA2961991A1 (en) 2014-10-01 2016-04-07 Umc Utrecht Holding B.V. Magnetic resonance imaging with enhanced bone visualization
WO2016072926A1 (en) * 2014-11-07 2016-05-12 Kullberg Joel Whole body image registration method and method for analyzing images thereof
EP3286727B1 (en) 2014-11-07 2019-07-03 Antaros Medical AB Whole body image registration method and method for analyzing images thereof
US11045108B2 (en) * 2014-11-26 2021-06-29 Viewray Technologies, Inc. Magnetic resonance imaging receive coil assembly
CN104545917A (zh) * 2014-12-25 2015-04-29 深圳先进技术研究院 主磁场偏移估算方法和系统
RU2721932C2 (ru) 2015-03-20 2020-05-25 Конинклейке Филипс Н.В. Альтернативное решение для неопределенных областей в изображениях mrcat
US11285338B2 (en) 2015-04-14 2022-03-29 Koninklijke Philips N.V. Radiotherapy planning with improve accuracy
EP3371617B1 (en) * 2015-11-02 2024-09-25 Koninklijke Philips N.V. Method for tissue classification and magnetic resonance imaging system
US10786689B2 (en) 2015-11-10 2020-09-29 Mevion Medical Systems, Inc. Adaptive aperture
EP3481503B1 (en) 2016-07-08 2021-04-21 Mevion Medical Systems, Inc. Treatment planning
WO2018020879A1 (ja) * 2016-07-27 2018-02-01 株式会社日立製作所 超電導磁石装置、磁気共鳴撮像装置、ｍｒｉ誘導下放射線治療装置、および、手術室
CN106772648A (zh) * 2016-12-05 2017-05-31 中国地质大学（武汉） 提高质子旋进类传感器调谐精度和信噪比的方法及系统
JP6873686B2 (ja) * 2016-12-26 2021-05-19 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置
KR101951000B1 (ko) * 2017-02-01 2019-02-21 삼성전자주식회사 자기 공명 신호 획득 방법 및 장치
US11103730B2 (en) 2017-02-23 2021-08-31 Mevion Medical Systems, Inc. Automated treatment in particle therapy
JP6940676B2 (ja) 2017-06-30 2021-09-29 メビオン・メディカル・システムズ・インコーポレーテッド リニアモーターを使用して制御される構成可能コリメータ
EP3447517A1 (en) * 2017-08-24 2019-02-27 Koninklijke Philips N.V. Dixon-type water/fat separation mr imaging
JP7236220B2 (ja) * 2018-05-08 2023-03-09 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置
CN108937935A (zh) * 2018-05-25 2018-12-07 上海东软医疗科技有限公司 磁共振成像方法和装置
WO2019245668A1 (en) * 2018-06-21 2019-12-26 California Institute Of Technology Surgical alignment by magnetic field gradient localization
WO2020155137A1 (en) 2019-02-02 2020-08-06 Shanghai United Imaging Healthcare Co., Ltd. Radiation therapy system and method
JP7311620B2 (ja) 2019-03-08 2023-07-19 メビオン・メディカル・システムズ・インコーポレーテッド 粒子線治療システムのためのコリメータおよびエネルギーデグレーダ
EP3756729A1 (en) * 2019-06-24 2020-12-30 Koninklijke Philips N.V. Configurable radiotherapy couch top for magnetic resonance radiotherapy simulation
US11378700B2 (en) * 2019-07-10 2022-07-05 Sun Nuclear Corporation Scintillator-based radiation therapy quality assurance
EP3885780A1 (en) * 2020-03-26 2021-09-29 Koninklijke Philips N.V. Magnetic resonance imaging of breast micro-calcifications
CN111551881B (zh) * 2020-05-12 2022-05-03 山东省肿瘤防治研究院（山东省肿瘤医院） 基于粒子加速器的核磁共振磁场测量方法及系统
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
US11593926B2 (en) * 2021-02-09 2023-02-28 Elucid Bioimaging Inc. Systems and methods for improving soft tissue contrast, multiscale modeling and spectral CT
EP4305439A1 (en) * 2021-03-10 2024-01-17 Livivos Inc. Systems and methods using an open nmr apparatus for non-invasive fat composition measurement in an organ
CN115375701A (zh) * 2021-05-18 2022-11-22 中国医学科学院基础医学研究所 基于ute序列的磁共振图像的耳软骨及其子结构图像手动分割方法及系统
CN113298907B (zh) * 2021-06-22 2022-09-13 上饶师范学院 一种基于伽马核范数和总变分的核磁图像重建方法
CA3228129A1 (en) 2021-08-04 2023-02-09 Viewray Technologies, Inc. Rf coil assemblies
US12478803B2 (en) 2021-10-22 2025-11-25 Viewray Systems, Inc. Systems, methods and computer software for optimized radiation therapy
US12350523B2 (en) 2021-10-22 2025-07-08 Viewray Systems, Inc. MRI guided radiotherapy
EP4273569B1 (en) * 2022-05-04 2025-07-02 Siemens Healthineers AG Method for generating a subject-specific map of a tissue property
US12201850B2 (en) 2022-06-16 2025-01-21 Sun Nuclear Corporation High dose rate radiation therapy systems and dosimetry
US12553972B2 (en) * 2022-10-20 2026-02-17 Viewray Systems, Inc. Relative electron density mapping from magnetic resonance imaging
US12544596B2 (en) 2023-03-30 2026-02-10 Sun Nuclear Corporation Adjustable radiation detector support

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2221627A1 (en) * 2009-02-20 2010-08-25 IBBT vzw Method and assembly for correcting a relaxation map for medical imaging applications

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5909119A (en) 1995-08-18 1999-06-01 Toshiba America Mri, Inc. Method and apparatus for providing separate fat and water MRI images in a single acquisition scan
US6037772A (en) * 1998-01-06 2000-03-14 Arch Development Corp. Fast spectroscopic imaging system
US6263228B1 (en) 1998-08-27 2001-07-17 Toshiba America, Mri, Inc. Method and apparatus for providing separate water-dominant and fat-dominant images from single scan single point dixon MRI sequences
ATE439806T1 (de) * 1998-09-14 2009-09-15 Univ Leland Stanford Junior Zustandsbestimmung eines gelenks und schadenvorsorge
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
US6735277B2 (en) * 2002-05-23 2004-05-11 Koninklijke Philips Electronics N.V. Inverse planning for intensity-modulated radiotherapy
JP2006075380A (ja) * 2004-09-10 2006-03-23 Ge Medical Systems Global Technology Co Llc Ｍｒ画像生成方法およびｍｒｉ装置
EP1907968A4 (en) * 2005-07-22 2009-10-21 Tomotherapy Inc METHOD AND SYSTEM FOR EVALUATING QUALITY ASSURANCE CRITERIA FOR A TREATMENT ADMINISTRATION PROGRAM
EP1932010A2 (en) 2005-09-29 2008-06-18 Koninklijke Philips Electronics N.V. System and method for acquiring magnetic resonance imaging (mri) data
US7876882B2 (en) * 2007-02-02 2011-01-25 Wisconsin Alumni Research Foundation Automated software system for beam angle selection in teletherapy
US7602184B2 (en) * 2007-04-30 2009-10-13 The Regents Of The University Of California Magnetic resonance spectroscopic imaging with short echo times
US8160345B2 (en) * 2008-04-30 2012-04-17 Otismed Corporation System and method for image segmentation in generating computer models of a joint to undergo arthroplasty
US9453922B2 (en) * 2008-09-09 2016-09-27 Multi-Magnetics Incorporated System and method for correcting attenuation in hybrid medical imaging
US8717430B2 (en) * 2010-04-26 2014-05-06 Medtronic Navigation, Inc. System and method for radio-frequency imaging, registration, and localization
BR112014029563B1 (pt) * 2012-05-11 2021-07-20 Lngrain, Inc Método para estimar propriedades físicas selecionadas de uma amostra de rocha

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2221627A1 (en) * 2009-02-20 2010-08-25 IBBT vzw Method and assembly for correcting a relaxation map for medical imaging applications

Non-Patent Citations (10)

* Cited by examiner, † Cited by third party
Title
CT substitute derived from MRI sequences with ultrashort echo time;JOHANSSON ADAM等;《Medical physics》;20110509;第38卷(第5期);2708-2714 *
Estimation of attenuation maps from UTE derived R2 images;KEEREMAN V等;《International society for magnetic resonance in medicine》;20090418;第17卷(第18期);2774 *
FLUSTER:Acombined multiecho radial/Cartesian encoded gadient echo sequence for bone and soft tissue segmentation;A J VAN DER KOUWE等;《Proceedings of the International society for Magnetic resonance in medicine,17th Scientific meeting and Exhibiton》;20090404;第17卷(第4期);18-24 *
Generalized K-space decomposition with chemical shift correction for non-Cartesian water-fat imaging;ETHAN K等;《Magnetic resonance in medicine》;20080101;第59卷(第5期);1151-1164 *
K-space water-fat decompositon with T2* estimation and multifrequency fat spectrum modeling for ultrashort echo time imaging;KANG WANG等;《Journal of Magnetic Resonance Imaging 》;20100329;第31卷(第4期);1027-1034 *
Mergiing UTE Imaging,Water-Fat Separation,and T2*Mapping in a Single 3D MSK Scan;J.Rahmer等;《Proceeding of the International Society for Mgnetic resonance in Medicine,18th Scientific Meeting and Exhibiton》;20100417;第18卷(第17期);3224 *
MR-based attenuation Echo time(UTE) sequence;VINCENT KEEREMAN等;《Nuclear science symposium conference record》;20081019;4656-4661 *
Orientational analysis of the Achilles tendon and enthesis using an ultrashort echo time spectroscopic imaging sequence;DU J等;《Magnetic Resonance Imaging,elsevier science》;20100201;第28卷(第2期);178-184 *
Selective 3D ultrashort TE imaging：comparison of dual-echo acquisiton and magnetization preparation for improving short-T2 contrast;JuRGEN RAHMER等;《Magnetic resonance materials in Physics,bilolgy and medicine》;20070313;第20卷(第2期);83-92 *
Towards quantitative PET/MRI:A review of MR-based attenuation correction techniques;MATTHIAS HOFMANN等;《European Journal of Nuclear medicine and molecular imaging》;20081223;第36卷(第1期);93-104 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108187247A (zh) * 2017-12-28 2018-06-22 中国科学院深圳先进技术研究院 磁共振引导聚焦超声的聚焦靶点调整系统、方法及装置
CN108187247B (zh) * 2017-12-28 2020-04-21 中国科学院深圳先进技术研究院 磁共振引导聚焦超声的聚焦靶点调整系统、方法及装置

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