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Zhurbenko et al., 2021 - Google Patents

Flexible self-resonant detector coil for magnetic resonance imaging of Carbon-13

Zhurbenko et al., 2021

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Document ID
8724072846519497356
Author
Zhurbenko V
Sánchez-Heredia J
Wang W
Ardenkjær-Larsen J
Publication year
Publication venue
2020 50th European Microwave Conference (EuMC)

External Links

Snippet

Magnetic Resonance is a powerful imaging modality which relies on arrays of detector coils to collect weak RF signals. Parasitic coupling between array elements degrades imaging system performance and greatly complicates array design process. In this work we show …
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Classifications

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    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3628Tuning/matching of the transmit/receive coil
    • G01R33/3635Multi-frequency operation
    • GPHYSICS
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    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
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    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
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    • G01R33/341Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • GPHYSICS
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    • G01R33/345Constructional details, e.g. resonators, specially adapted to MR of waveguide type
    • G01R33/3453Transverse electromagnetic [TEM] coils
    • GPHYSICS
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    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
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    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642Mutual 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
    • G01R33/365Decoupling of multiple RF coils wherein the multiple RF coils have the same function in MR, e.g. decoupling of a receive coil from another receive coil in a receive coil array, decoupling of a transmission coil from another transmission coil in a transmission coil array
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34015Temperature-controlled RF coils
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    • G01R33/00Arrangements or instruments for measuring magnetic variables
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    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
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    • G01R33/36Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642Mutual 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
    • G01R33/3657Decoupling 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
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    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR
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    • G01R33/34084Constructional details, e.g. resonators, specially adapted to MR implantable coils or coils being geometrically adaptable to the sample, e.g. flexible coils or coils comprising mutually movable parts
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    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
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    • G01R33/34092RF coils specially adapted for NMR spectrometers
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    • G01R33/36Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3621NMR receivers or demodulators, e.g. preamplifiers, means for frequency modulation of the MR signal using a digital down converter, means for analog to digital conversion [ADC] or for filtering or processing of the MR signal such as bandpass filtering, resampling, decimation or interpolation
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    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3678Electrical details, e.g. matching or coupling of the coil to the receiver involving quadrature drive or detection, e.g. a circularly polarized RF magnetic field
    • GPHYSICS
    • G01MEASURING; TESTING
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    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/381Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • GPHYSICS
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    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/30Sample handling arrangements, e.g. sample cells, spinning mechanisms
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • GPHYSICS
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    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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    • G01R33/60Arrangements or instruments for measuring magnetic variables involving magnetic resonance using electron paramagnetic resonance
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    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00

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