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 PDFInfo
- Publication number
- 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
- Authority
- CN
- China
- Prior art keywords
- image
- data
- magnetic resonance
- bone
- images
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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]
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- General Health & Medical Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Medical Informatics (AREA)
- Signal Processing (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Optics & Photonics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rheumatology (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Radiation-Therapy Devices (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11171444.0 | 2011-06-27 | ||
| EP11171444 | 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103620437A CN103620437A (zh) | 2014-03-05 |
| CN103620437B true CN103620437B (zh) | 2017-10-27 |
Family
ID=47424608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280031636.1A Expired - Fee Related CN103620437B (zh) | 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 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US9504851B2 (OSRAM) |
| EP (1) | EP2724172A2 (OSRAM) |
| JP (1) | JP2014523310A (OSRAM) |
| CN (1) | CN103620437B (OSRAM) |
| WO (1) | WO2013001399A2 (OSRAM) |
Cited By (1)
| 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 (56)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015516194A (ja) * | 2012-03-29 | 2015-06-11 | コーニンクレッカ フィリップス エヌ ヴェ | 個々のピクセルもしくはボクセルに組織固有のpet減衰値を割り当てるmri方法 |
| US9404983B2 (en) | 2013-03-12 | 2016-08-02 | Viewray, Incorporated | Radio frequency transmit coil for magnetic resonance imaging system |
| EP2991546B1 (en) * | 2013-04-02 | 2016-11-30 | Koninklijke Philips N.V. | Detection of bone tissue using magnetic resonance imaging |
| US10729918B2 (en) * | 2013-06-21 | 2020-08-04 | Koninklijke Philips N.V. | Cryostat and system for combined magnetic resonance imaging and radiation therapy |
| EP3022572B1 (en) * | 2013-07-19 | 2020-12-16 | 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 |
| EP3049818B1 (en) * | 2013-09-23 | 2021-08-11 | Koninklijke Philips N.V. | Mr-based attenuation correction in pet/mr imaging with dixon pulse sequence |
| WO2015048468A1 (en) | 2013-09-27 | 2015-04-02 | Mevion Medical Systems, Inc. | Particle beam scanning |
| CN105611967B (zh) * | 2013-09-30 | 2019-05-14 | 皇家飞利浦有限公司 | 外部射束放射治疗与磁共振成像系统的坐标系的对齐 |
| WO2015055473A1 (en) | 2013-10-17 | 2015-04-23 | Koninklijke Philips N.V. | Medical apparatus with a radiation therapy device and a radiation detection system |
| EP3077836B1 (en) * | 2013-12-02 | 2022-05-25 | Koninklijke Philips N.V. | Magnetic resonance imaging using zero echo time pulse sequences |
| CN105814449B (zh) * | 2013-12-12 | 2019-04-30 | 皇家飞利浦有限公司 | 具有水/脂肪分离的零回波时间mr成像 |
| 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 |
| WO2015180069A1 (zh) * | 2014-05-28 | 2015-12-03 | 深圳迈瑞生物医疗电子股份有限公司 | 一种超声成像方法和系统 |
| CN106456994B (zh) * | 2014-06-27 | 2019-11-12 | 皇家飞利浦有限公司 | 带电粒子束疗法和磁共振成像 |
| US10359487B2 (en) * | 2014-09-12 | 2019-07-23 | Koninklijke Philips N.V. | Zero echo time MR imaging |
| EP3201643B1 (en) | 2014-10-01 | 2021-01-27 | MRIguidance 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 |
| WO2016150888A1 (en) | 2015-03-20 | 2016-09-29 | Koninklijke Philips N.V. | Fall-back solution for uncertain regions in mrcat images |
| WO2016166071A1 (en) * | 2015-04-14 | 2016-10-20 | Koninklijke Philips N.V. | Radiotherapy planning with improved accuracy |
| US10987020B2 (en) | 2015-11-02 | 2021-04-27 | Koninklijke Philips N.V. | Method for tissue classification, computer program product and magnetic resonance imaging system |
| US10786689B2 (en) | 2015-11-10 | 2020-09-29 | Mevion Medical Systems, Inc. | Adaptive aperture |
| CN109803723B (zh) | 2016-07-08 | 2021-05-14 | 迈胜医疗设备有限公司 | 一种粒子疗法系统 |
| 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 |
| EP3645111B1 (en) | 2017-06-30 | 2025-04-23 | Mevion Medical Systems, Inc. | Configurable collimator controlled using linear motors |
| 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 |
| US11399848B2 (en) * | 2018-06-21 | 2022-08-02 | California Institute Of Technology | Surgical alignment by magnetic field gradient localization |
| CN111417436B (zh) | 2019-02-02 | 2022-07-15 | 上海联影医疗科技股份有限公司 | 放射治疗系统和方法 |
| US11291861B2 (en) | 2019-03-08 | 2022-04-05 | Mevion Medical Systems, Inc. | Delivery of radiation by column and generating a treatment plan therefor |
| 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 |
| 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 |
| IL305763A (en) * | 2021-03-10 | 2023-11-01 | Livivos Inc | Systems and methods using an open NMD device for noninvasive measurement of organ fat composition |
| 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 |
| JP2024527943A (ja) | 2021-08-04 | 2024-07-26 | ビューレイ・テクノロジーズ・インコーポレイテッド | Rfコイルアセンブリ |
| 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 |
| CN120076756A (zh) * | 2022-10-20 | 2025-05-30 | 优瑞系统公司 | 根据磁共振成像的相对电子密度映射 |
Citations (1)
| 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)
| 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 |
| DE69941304D1 (de) * | 1998-09-14 | 2009-10-01 | Univ R | 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 |
| CN101268467B (zh) * | 2005-07-22 | 2012-07-18 | 断层放疗公司 | 用于评估治疗计划的实施中的质量保证标准的方法和系统 |
| CN101273277B (zh) * | 2005-09-29 | 2013-01-02 | 皇家飞利浦电子股份有限公司 | 用于采集磁共振成像(mri)数据的系统和方法 |
| 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 |
| EP2161594B1 (en) * | 2008-09-09 | 2017-11-08 | 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 |
| CA2872067C (en) * | 2012-05-11 | 2018-09-11 | Ingrain, Inc. | A method and system for multi-energy computer tomographic cuttings analysis |
-
2012
- 2012-06-18 JP JP2014517992A patent/JP2014523310A/ja active Pending
- 2012-06-18 WO PCT/IB2012/053050 patent/WO2013001399A2/en not_active Ceased
- 2012-06-18 US US14/126,979 patent/US9504851B2/en not_active Expired - Fee Related
- 2012-06-18 EP EP12735036.1A patent/EP2724172A2/en not_active Withdrawn
- 2012-06-18 CN CN201280031636.1A patent/CN103620437B/zh not_active Expired - Fee Related
-
2014
- 2014-03-31 US US14/230,201 patent/US20140296696A1/en not_active Abandoned
Patent Citations (1)
| 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)
| 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)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2724172A2 (en) | 2014-04-30 |
| US20140296696A1 (en) | 2014-10-02 |
| US20140221816A1 (en) | 2014-08-07 |
| US9504851B2 (en) | 2016-11-29 |
| CN103620437A (zh) | 2014-03-05 |
| JP2014523310A (ja) | 2014-09-11 |
| WO2013001399A3 (en) | 2013-04-25 |
| WO2013001399A2 (en) | 2013-01-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103620437B (zh) | 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 | |
| CN105263407B (zh) | 使用磁共振成像的对骨组织的探测 | |
| US11285338B2 (en) | Radiotherapy planning with improve accuracy | |
| EP2441050B1 (en) | Time-of-flight positron emission tomography reconstruction using image content generated event-by-event based on time-of-flight information | |
| CN105431746B (zh) | 用于为独立像素或体素分配组织特异pet衰减值的mri方法 | |
| US10591562B2 (en) | Bone MRI using B0 inhomogeneity map and a subject magnetic susceptibility map | |
| US11935245B2 (en) | Simultaneous partial volume corection and segmentation refinement | |
| CN113711076A (zh) | 狄克逊磁共振成像中的水-脂肪交换的自动检测 | |
| EP4022335B1 (en) | Synthetic four-dimensional computed tomographic image generation | |
| EP4220212A1 (en) | Simulated computer tomographic imaging | |
| US20250155535A1 (en) | Simulated computer tomographic imaging | |
| WO2023148039A1 (en) | Simulated computer tomographic imaging | |
| Diogo | Study of the effect of magnetic field on PET/MR systems: GATE Monte Carlo simulations | |
| Aasheim | Attenuation correction in PET/MR: A performance assessment of UTE-based and Dixon-based methods for PET attenuation correction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20190618 |