BR112015010761A2 - sistema de ressonância magnética (rm), e método para a detecção de temperatura distribuída em um sistema de ressonância magnética (rm) - Google Patents

sistema de ressonância magnética (rm), e método para a detecção de temperatura distribuída em um sistema de ressonância magnética (rm)

Info

Publication number
BR112015010761A2
BR112015010761A2 BR112015010761A BR112015010761A BR112015010761A2 BR 112015010761 A2 BR112015010761 A2 BR 112015010761A2 BR 112015010761 A BR112015010761 A BR 112015010761A BR 112015010761 A BR112015010761 A BR 112015010761A BR 112015010761 A2 BR112015010761 A2 BR 112015010761A2
Authority
BR
Brazil
Prior art keywords
magnetic resonance
resonance system
cable
detection
fiber optic
Prior art date
Application number
BR112015010761A
Other languages
English (en)
Inventor
Mathieu Alfons Helsen Johan
Cornelis Van Leeuwen Laurens
Cornelius Hendrikus Adrianus Haans Paulus
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 BR112015010761A2 publication Critical patent/BR112015010761A2/pt

Links

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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/3804—Additional hardware for cooling or heating of the magnet assembly, for housing a cooled or heated part of the magnet assembly or for temperature control of the magnet assembly
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Thermistors And Varistors (AREA)

Abstract

resumo sistema de ressonância magnética (rm), e método para a detecção de temperatura distribuída em um sistema de ressonância magnética (rm) a presente invenção se refere a um sistema de ressonância magnética (rm) 10 que inclui pelo menos um cabo (30, 32, 34) que tem pelo menos um componente de fibra óptica (31c, 31e, 33b, 35b) e uma unidade de monitoramento óptico (37) em comunicação com o pelo menos um componente de fibra óptica (31c, 31e, 33b, 35b). a unidade de monitoramento óptico (37) é configurada para determinar temperaturas em cada uma dentre uma pluralidade de posições ao longo do pelo menos um componente de fibra óptica (31c, 31e, 33b, 35b). a unidade de monitoramento óptico (37) é adicionalmente configurada para interromper uma operação do sistema de rm (10) em resposta a pelo menos uma temperatura determinada. de acordo com a invenção, a temperatura de um ou mais supressores de cabo que fazem parte do cabo pode ser monitorada, e um supressor de cabo defeituoso pode ser detectado. 1/1
BR112015010761A 2012-11-15 2013-10-31 sistema de ressonância magnética (rm), e método para a detecção de temperatura distribuída em um sistema de ressonância magnética (rm) BR112015010761A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261726735P 2012-11-15 2012-11-15
PCT/IB2013/059822 WO2014076603A1 (en) 2012-11-15 2013-10-31 Mri involving a distributed sensor to monitor the temperature and/or strain of coil cables and traps

Publications (1)

Publication Number Publication Date
BR112015010761A2 true BR112015010761A2 (pt) 2017-07-11

Family

ID=50031382

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015010761A BR112015010761A2 (pt) 2012-11-15 2013-10-31 sistema de ressonância magnética (rm), e método para a detecção de temperatura distribuída em um sistema de ressonância magnética (rm)

Country Status (7)

Country Link
US (1) US10267875B2 (pt)
EP (1) EP2920602B1 (pt)
JP (1) JP6366597B2 (pt)
CN (1) CN104797954B (pt)
BR (1) BR112015010761A2 (pt)
RU (1) RU2637398C2 (pt)
WO (1) WO2014076603A1 (pt)

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Also Published As

Publication number Publication date
EP2920602A1 (en) 2015-09-23
US20160291103A1 (en) 2016-10-06
US10267875B2 (en) 2019-04-23
JP6366597B2 (ja) 2018-08-01
JP2016501572A (ja) 2016-01-21
CN104797954A (zh) 2015-07-22
RU2015122766A (ru) 2017-01-10
RU2637398C2 (ru) 2017-12-04
WO2014076603A1 (en) 2014-05-22
EP2920602B1 (en) 2020-12-09
CN104797954B (zh) 2018-07-27

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B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

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