[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Eigentler et al., 2021 - Google Patents

32‐Channel self‐grounded bow‐tie transceiver array for cardiac MR at 7.0 T

Eigentler et al., 2021

View PDF
Document ID
8505748789429543466
Author
Eigentler T
Kuehne A
Boehmert L
Dietrich S
Els A
Waiczies H
Niendorf T
Publication year
Publication venue
Magnetic Resonance in Medicine

External Links

Snippet

Purpose Design, implementation, evaluation, and application of a 32‐channel Self‐ Grounded Bow‐Tie (SGBT) transceiver array for cardiac MR (CMR) at 7.0 T. Methods The array consists of 32 compact SGBT building blocks. Transmission field () shimming and …
Continue reading at onlinelibrary.wiley.com (PDF) (other versions)

Classifications

    • 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
    • G01R33/28Details 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
    • G01R33/341Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • 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]
    • G01R33/48NMR imaging systems
    • G01R33/54Signal processing systems, e.g. using pulse sequences, Generation or control of pulse sequences ; Operator Console
    • G01R33/56Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561Image 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
    • G01R33/5611Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • G01R33/5612Parallel RF transmission, i.e. RF pulse transmission using a plurality of independent transmission channels
    • 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
    • G01R33/28Details 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
    • G01R33/345Constructional details, e.g. resonators, specially adapted to MR of waveguide type
    • G01R33/3453Transverse electromagnetic [TEM] coils
    • 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
    • G01R33/28Details 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
    • G01R33/34046Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • 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
    • G01R33/28Details 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
    • 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
    • G01R33/28Details 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
    • 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
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3854Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils means for active and/or passive vibration damping or acoustical noise suppression in gradient magnet coil systems
    • 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
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/288Provisions 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radiowaves
    • A61B5/055Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radiowaves involving electronic or nuclear magnetic resonance, e.g. magnetic resonance imaging

Similar Documents

Publication Publication Date Title
Ertürk et al. Toward imaging the body at 10.5 tesla
Ertürk et al. A 16‐channel combined loop‐dipole transceiver array for 7 T esla body MRI
Gruber et al. RF coils: A practical guide for nonphysicists
Oezerdem et al. 16‐channel bow tie antenna transceiver array for cardiac MR at 7.0 tesla
Raaijmakers et al. Design of a radiative surface coil array element at 7 T: the single‐side adapted dipole antenna
Graessl et al. Modular 32‐channel transceiver coil array for cardiac MRI at 7.0 T
EP2899561B1 (en) MRI method for generating a map of the transmit RF field for each coil of a RF coil array
Snyder et al. Comparison between eight‐and sixteen‐channel TEM transceive arrays for body imaging at 7 T
Eigentler et al. 32‐Channel self‐grounded bow‐tie transceiver array for cardiac MR at 7.0 T
van den Bergen et al. SAR and power implications of different RF shimming strategies in the pelvis for 7T MRI
Santoro et al. Detailing radio frequency heating induced by coronary stents: a 7.0 Tesla magnetic resonance study
Williams et al. Ultra-high field MRI: parallel-transmit arrays and RF pulse design
Goluch et al. A form‐fitted three channel 31P, two channel 1H transceiver coil array for calf muscle studies at 7 T
Rietsch et al. Impact of different meander sizes on the RF transmit performance and coupling of microstrip line elements at 7 T
Winter et al. Electrodynamics and radiofrequency antenna concepts for human magnetic resonance at 23.5 T (1 GHz) and beyond
Bangerter et al. Sodium MRI radiofrequency coils for body imaging
Zivkovic et al. Design and characterization of an eight‐element passively fed meander‐dipole array with improved specific absorption rate efficiency for 7 T body imaging
Puchnin et al. Metamaterial inspired wireless coil for clinical breast imaging
Boehmert et al. Cardiorenal sodium MRI at 7.0 Tesla using a 4/4 channel 1H/23Na radiofrequency antenna array
Kraff et al. Radiofrequency coils for 7 Tesla MRI
Brown et al. Breast MRI at 7 Tesla with a bilateral coil and robust fat suppression
Sica et al. Toward whole‐cortex enhancement with an ultrahigh dielectric constant helmet at 3T
Elabyad et al. Design and evaluation of a novel symmetric multichannel transmit/receive coil array for cardiac MRI in pigs at 7 T
Hong et al. Design of a quadrature 1H/31P coil using bent dipole antenna and four-channel loop at 3T MRI
Rietsch et al. Development and evaluation of a 16‐channel receive‐only RF coil to improve 7T ultra‐high field body MRI with focus on the spine