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Related Experiment Videos

Eight-Channel Monopole Array Using ICE Decoupling for Human Head MR Imaging at 7 T.

Xinqiang Yan1,2,3, Long Wei2,3, Suoda Chu1

  • 1State Key Laboratory of Brain and Cognitive Science, Beijing MRI Center for Brain Research, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China.

Applied Magnetic Resonance
|October 17, 2017
PubMed
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Induced Current Elimination (ICE) effectively reduces electromagnetic coupling in cylindrical radiative coil arrays for 7T MRI. This novel technique enhances signal-to-noise ratio and parallel imaging capabilities for clearer human head scans.

Area of Science:

  • Magnetic Resonance Imaging (MRI)
  • Electromagnetism
  • Coil Array Design

Background:

  • Traditional decoupling methods struggle with radiative coil elements in arrays.
  • Electromagnetic coupling is a significant challenge in high-field MRI coil design.

Purpose of the Study:

  • Investigate Induced Current Elimination (ICE) for cylindrical radiative coil arrays.
  • Evaluate ICE decoupling for an eight-channel monopole array at 7 Tesla (T) for human head imaging.

Main Methods:

  • Built an eight-channel transmit/receive monopole array with ICE decoupling.
  • Acquired in vivo human head images.
  • Measured and calculated geometry factor maps.

Main Results:

Related Experiment Videos

  • The ICE-decoupled array showed higher signal-to-noise ratio compared to non-decoupled arrays.
  • Improved parallel imaging performance was observed with the ICE-decoupled array.
  • Experimental results validated the effectiveness of ICE decoupling.

    • Conclusions:

    • Induced Current Elimination (ICE) is a promising solution for radiative array coupling issues at ultrahigh fields.
    • ICE decoupling enhances MRI performance for head imaging at 7T.