JP7399097B2 - エミュレーションモード - Google Patents

エミュレーションモード Download PDF

Info

Publication number
JP7399097B2
JP7399097B2 JP2020547222A JP2020547222A JP7399097B2 JP 7399097 B2 JP7399097 B2 JP 7399097B2 JP 2020547222 A JP2020547222 A JP 2020547222A JP 2020547222 A JP2020547222 A JP 2020547222A JP 7399097 B2 JP7399097 B2 JP 7399097B2
Authority
JP
Japan
Prior art keywords
magnetic resonance
resonance imaging
emulated
imaging system
emulation
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.)
Active
Application number
JP2020547222A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021517032A5 (https=
JPWO2019175110A5 (https=
JP2021517032A (ja
Inventor
パヌ タパーニ ヴェサネン
リゼット ワーナー
ユッカ イルマリ タントゥ
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of JP2021517032A publication Critical patent/JP2021517032A/ja
Publication of JP2021517032A5 publication Critical patent/JP2021517032A5/ja
Publication of JPWO2019175110A5 publication Critical patent/JPWO2019175110A5/ja
Application granted granted Critical
Publication of JP7399097B2 publication Critical patent/JP7399097B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G01R33/543—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0033—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room
    • A61B5/0036—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room including treatment, e.g., using an implantable medical device, ablating, ventilating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, 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
    • 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
    • G01R33/546—Interface between the MR system and the user, e.g. for controlling the operation of the MR system or for the design of pulse 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
    • G01R33/56—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
    • 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
    • A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
    • A61N5/1002—Intraluminal radiation therapy
    • A61N2005/1005—Intraluminal radiation therapy with asymmetrical radiation pattern
    • 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
    • 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
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/243—Spatial mapping of the polarizing magnetic field
    • 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
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/246—Spatial mapping of the RF magnetic field B1
    • 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]
    • G01R33/443—Assessment of an electric or a magnetic field, e.g. spatial mapping, determination of a B0 drift or dosimetry
    • 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
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/4838—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective suppression or saturation of MR signals
    • 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
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/485—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy based on chemical shift information [CSI] or spectroscopic imaging, e.g. to acquire the spatial distributions of metabolites
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Signal Processing (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Optics & Photonics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2020547222A 2018-03-12 2019-03-11 エミュレーションモード Active JP7399097B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862641583P 2018-03-12 2018-03-12
US62/641,583 2018-03-12
EP18165858.4 2018-04-05
EP18165858.4A EP3550319A1 (en) 2018-04-05 2018-04-05 Emulation mode for mri
PCT/EP2019/056029 WO2019175110A1 (en) 2018-03-12 2019-03-11 Emulation mode for mri

Publications (4)

Publication Number Publication Date
JP2021517032A JP2021517032A (ja) 2021-07-15
JP2021517032A5 JP2021517032A5 (https=) 2022-03-16
JPWO2019175110A5 JPWO2019175110A5 (https=) 2022-03-16
JP7399097B2 true JP7399097B2 (ja) 2023-12-15

Family

ID=61906743

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020547222A Active JP7399097B2 (ja) 2018-03-12 2019-03-11 エミュレーションモード

Country Status (5)

Country Link
US (1) US11275140B2 (https=)
EP (2) EP3550319A1 (https=)
JP (1) JP7399097B2 (https=)
CN (1) CN112154343B (https=)
WO (1) WO2019175110A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3603499A1 (en) * 2018-08-03 2020-02-05 Nokia Technologies Oy Providing an output relating to conductivity distribution
EP3893013A1 (en) * 2020-04-06 2021-10-13 Koninklijke Philips N.V. Mr imaging for radiation therapy planning
CN119733178A (zh) * 2020-06-17 2025-04-01 上海联影医疗科技股份有限公司 一种放射治疗系统
CN116148738B (zh) * 2021-11-22 2025-12-23 上海联影医疗科技股份有限公司 磁共振成像方法和装置
WO2023096557A1 (en) * 2021-11-24 2023-06-01 Corsmed Ab A method for image parameter comparison in magnetic resonance imaging simulation
CN115270468B (zh) * 2022-07-29 2026-02-17 安徽医科大学 一种脂肪肝组织的磁共振信号仿真方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001108640A (ja) 1999-10-12 2001-04-20 Agency Of Ind Science & Technol Ｎｍｒ装置
JP2004113550A (ja) 2002-09-27 2004-04-15 Toshiba Medical System Co Ltd 磁気共鳴イメージング装置
JP2006000645A (ja) 2004-06-15 2006-01-05 General Electric Co <Ge> 高忠実度で高出力の切り替え式増幅器
US20090096449A1 (en) 2006-04-11 2009-04-16 Koninklijke Philips Electronics N. V. Low power broadband spin decoupling
US20100103166A1 (en) 2007-01-02 2010-04-29 Marcel Warntjes Method of Visualizing MR Images
WO2012023098A1 (en) 2010-08-20 2012-02-23 Koninklijke Philips Electronics N.V. Virtual coil emulation in parallel transmission mri
WO2016183284A1 (en) 2015-05-12 2016-11-17 Hyperfine Research, Inc. Radio frequency coil methods and apparatus
JP2017526505A (ja) 2014-09-01 2017-09-14 バイオプロトニクス リミテッド ライアビリティー カンパニーＢｉｏｐｒｏｔｏｎｉｃｓ Ｌｌｃ 構造的空間周波数を評価するための選択的サンプリング磁気共鳴ベースの方法
WO2017223382A1 (en) 2016-06-22 2017-12-28 Viewray Technologies, Inc. Magnetic resonance imaging at low field strength

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MXPA03004228A (es) * 2000-10-30 2004-12-02 Magic Earth Inc Sistema y metodo para analizar y formar imagenes de conjuntos de datos de volumen tridimensional.
US6823205B1 (en) 2001-02-08 2004-11-23 Boston University Radiology Associates Synthetic images for a magnetic resonance imaging scanner using linear combination of source images to generate contrast and spatial navigation
JP2008522651A (ja) * 2004-12-06 2008-07-03 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 磁気共鳴画像化スキャナにおける受信コイルを接続する方法及び装置
JP5105786B2 (ja) * 2006-07-07 2012-12-26 株式会社東芝 磁気共鳴イメージング装置および画像処理装置
JP5361234B2 (ja) * 2007-04-25 2013-12-04 株式会社東芝 磁気共鳴イメージング装置
CN100578546C (zh) * 2007-05-15 2010-01-06 骆建华 基于复二维奇异谱分析的磁共振部分k数据图像重建方法
KR20100046584A (ko) 2008-10-27 2010-05-07 삼성전자주식회사 영상 디코딩 방법, 영상 출력 방법, 영상 처리 방법 및 그 장치
US8355556B2 (en) 2009-11-16 2013-01-15 University Health Network Method of synthetic image generation for magnetic resonance imaging
EP3089664B1 (en) 2013-12-31 2021-09-01 The Medical College of Wisconsin, Inc. Adaptive replanning based on multimodality imaging
EP3248023A1 (en) * 2015-01-21 2017-11-29 Koninklijke Philips N.V. Mri method for calculating derived values from b0 and b1 maps
DE102015201057A1 (de) * 2015-01-22 2016-07-28 Siemens Healthcare Gmbh Verfahren zur Bildqualitätsverbesserung eines Magnetresonanzbilddatensatzes, Recheneinrichtung und Computerprogramm
EP3081955A1 (en) * 2015-04-13 2016-10-19 Commissariat A L'energie Atomique Et Aux Energies Alternatives Mri method for determining signature indices of an observed tissue from signal patterns obtained by motion-probing pulsed gradient mri
EP3387457B1 (en) 2015-12-09 2020-02-12 Koninklijke Philips N.V. Diffusion mri method for generating a synthetic diffusion image at a high b-value
DE102016207314A1 (de) 2016-04-28 2017-11-02 Siemens Healthcare Gmbh Verfahren zur Anzeige von quantitativen Magnetresonanz-Bilddaten
US20180024215A1 (en) * 2016-07-21 2018-01-25 Yudong Zhu Signal coding and structure modeling for imaging
CN107137083B (zh) * 2017-06-16 2020-05-15 上海联影医疗科技有限公司 一种磁共振扫描方法、系统及计算机可读存储介质
US10928478B2 (en) * 2018-05-25 2021-02-23 Oxford University Innovation Limited Methods for monitoring motion using multi-transmit electrical coupling in imaging of the subject

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001108640A (ja) 1999-10-12 2001-04-20 Agency Of Ind Science & Technol Ｎｍｒ装置
JP2004113550A (ja) 2002-09-27 2004-04-15 Toshiba Medical System Co Ltd 磁気共鳴イメージング装置
JP2006000645A (ja) 2004-06-15 2006-01-05 General Electric Co <Ge> 高忠実度で高出力の切り替え式増幅器
US20090096449A1 (en) 2006-04-11 2009-04-16 Koninklijke Philips Electronics N. V. Low power broadband spin decoupling
US20100103166A1 (en) 2007-01-02 2010-04-29 Marcel Warntjes Method of Visualizing MR Images
WO2012023098A1 (en) 2010-08-20 2012-02-23 Koninklijke Philips Electronics N.V. Virtual coil emulation in parallel transmission mri
JP2017526505A (ja) 2014-09-01 2017-09-14 バイオプロトニクス リミテッド ライアビリティー カンパニーＢｉｏｐｒｏｔｏｎｉｃｓ Ｌｌｃ 構造的空間周波数を評価するための選択的サンプリング磁気共鳴ベースの方法
WO2016183284A1 (en) 2015-05-12 2016-11-17 Hyperfine Research, Inc. Radio frequency coil methods and apparatus
WO2017223382A1 (en) 2016-06-22 2017-12-28 Viewray Technologies, Inc. Magnetic resonance imaging at low field strength

Also Published As

Publication number Publication date
US20200408866A1 (en) 2020-12-31
EP3765863A1 (en) 2021-01-20
EP3765863B1 (en) 2024-05-29
CN112154343A (zh) 2020-12-29
EP3550319A1 (en) 2019-10-09
WO2019175110A1 (en) 2019-09-19
CN112154343B (zh) 2024-11-05
US11275140B2 (en) 2022-03-15
JP2021517032A (ja) 2021-07-15

Similar Documents

Publication Publication Date Title
JP7399097B2 (ja) エミュレーションモード
RU2660401C1 (ru) Магниторезонансная томография с использованием последовательностей импульсов с нулевым временем эхо
JP7616441B2 (ja) ３次元勾配インパルス応答関数の高次項の決定
CN107407714A (zh) 用于根据b0图和b1图来计算导出值的mri方法
CN110476075B (zh) 针对解剖区域的磁共振指纹识别词典的选择
CN110573897B (zh) 亚体素分辨率磁共振指纹成像
JP7227277B2 (ja) Ｃｅｓｔ磁気共鳴イメージングにおける動き検出
CN111712718B (zh) 根据b0参考扫描和wassr扫描的场图
WO2015140277A1 (en) Control of magnetic resonance imaging acquisition using modeling
US9500733B2 (en) Method and apparatus for obtaining main magnetic field information and radio pulse related information in a magnetic resonance imaging system with different flip angles
EP3550320A1 (en) Mimicking magnetic resonance imaging characteristics using post-processing
JP7371120B2 (ja) マッチした振動状態を有するｍｒｉ
US10024942B2 (en) Magnetic resonance method and apparatus to generate a residual map as an indicator of signal model consistency
EP4555339A1 (en) Making anatomical measurements using magnetic resonance imaging
CN118647886A (zh) 模拟计算机断层摄影成像
JP2021518222A (ja) 導電率の（３−ｎ）次元特定

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220308

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220308

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20221221

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20221227

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20230323

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230626

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230803

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231018

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20231121

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20231205

R150 Certificate of patent or registration of utility model

Ref document number: 7399097

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150