JP6448794B2 - 赤外線温度測定を伴う磁気共鳴撮像 - Google Patents

赤外線温度測定を伴う磁気共鳴撮像 Download PDF

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JP6448794B2
JP6448794B2 JP2017529608A JP2017529608A JP6448794B2 JP 6448794 B2 JP6448794 B2 JP 6448794B2 JP 2017529608 A JP2017529608 A JP 2017529608A JP 2017529608 A JP2017529608 A JP 2017529608A JP 6448794 B2 JP6448794 B2 JP 6448794B2
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magnetic resonance
resonance imaging
antenna
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imaging system
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JP2017536199A (ja
JP2017536199A5 (enExample
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ヴァイス，シュテフェン
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Koninklijke Philips NV
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    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/288—Provisions within MR facilities for enhancing safety during MR, e.g. reduction of the specific absorption rate [SAR], detection of ferromagnetic objects in the scanner room
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34015—Temperature-controlled RF coils
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
    • G01R33/3657—Decoupling of multiple RF coils wherein the multiple RF coils do not have the same function in MR, e.g. decoupling of a transmission coil from a receive coil
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0266—Operational features for monitoring or limiting apparatus function
    • 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
    • A61B5/0035—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 adapted for acquisition of images from more than one imaging mode, e.g. combining MRI and optical tomography
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3685—Means for reducing sheath currents, e.g. RF traps, baluns

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2017529608A 2014-12-04 2015-11-30 赤外線温度測定を伴う磁気共鳴撮像 Active JP6448794B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14196342.1 2014-12-04
EP14196342 2014-12-04
PCT/EP2015/078067 WO2016087376A1 (en) 2014-12-04 2015-11-30 Magnetic resonance imaging system with infrared thermometry sensors

Publications (3)

Publication Number Publication Date
JP2017536199A JP2017536199A (ja) 2017-12-07
JP2017536199A5 JP2017536199A5 (enExample) 2018-05-24
JP6448794B2 true JP6448794B2 (ja) 2019-01-09

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Country Link
US (1) US11442123B2 (enExample)
EP (1) EP3227699B1 (enExample)
JP (1) JP6448794B2 (enExample)
CN (1) CN107110923B (enExample)
RU (1) RU2676538C1 (enExample)
WO (1) WO2016087376A1 (enExample)

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EP3409193B1 (de) * 2017-06-02 2019-12-25 Siemens Healthcare GmbH Positionieren einer mr-körperspule
EP3620808A1 (en) * 2018-09-06 2020-03-11 Koninklijke Philips N.V. Coil arrangement for magnetic resonance imaging system
RU195653U1 (ru) * 2019-07-09 2020-02-03 федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский университет ИТМО" (Университет ИТМО) Беспроводная локальная приёмо-передающая катушка для магнитно-резонансной томографии
CN110441124A (zh) * 2019-07-24 2019-11-12 湖南红太阳新能源科技有限公司 用于原子自旋磁场测试的激光加热装置及加热方法
EP3907518A1 (en) 2020-05-08 2021-11-10 Koninklijke Philips N.V. System for detection of rf induced heating of a patient undergoing a mri examination
EP4001942A1 (en) * 2020-11-13 2022-05-25 Koninklijke Philips N.V. Magnetic resonance imaging system with protection from overheating
CN114754829B (zh) * 2021-01-11 2024-05-28 中国石油天然气股份有限公司 磁共振多相流量计温控系统及方法
EP4043900A1 (en) 2021-02-16 2022-08-17 Koninklijke Philips N.V. Controlling patient temperature in an mr scanner bore

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Also Published As

Publication number Publication date
US11442123B2 (en) 2022-09-13
EP3227699B1 (en) 2018-08-29
CN107110923B (zh) 2020-02-07
JP2017536199A (ja) 2017-12-07
RU2676538C1 (ru) 2019-01-09
US20170269176A1 (en) 2017-09-21
CN107110923A (zh) 2017-08-29
WO2016087376A1 (en) 2016-06-09
EP3227699A1 (en) 2017-10-11

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