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Related Experiment Videos

Design of transverse head gradient coils using a layer-sharing scheme.

Yaohui Wang1, Feng Liu1, Xiaorong Zhou2

  • 1School of Information Technology and Electrical Engineering, The University of Queensland, St Lucia, Brisbane, QLD 4072, Australia.

Journal of Magnetic Resonance (San Diego, Calif. : 1997)
|April 7, 2017
PubMed
Summary

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A novel transverse asymmetric head gradient coil design for Magnetic Resonance Imaging (MRI) integrates x and y coil windings into each layer. This new design enhances coil performance, offering lower inductance, resistance, and a higher figure of merit compared to conventional designs.

Area of Science:

  • Medical Imaging
  • Electrical Engineering
  • Coil Design

Background:

  • Conventional transverse asymmetric head gradient coils in Magnetic Resonance Imaging (MRI) utilize separate radial layers for x and y coils.
  • This separation can lead to suboptimal coil performance characteristics.

Purpose of the Study:

  • To propose and evaluate a new design for transverse asymmetric head gradient coils in MRI.
  • To compare the performance of the new design against conventional coil designs.

Main Methods:

  • A novel coil design integrating both x and y coil windings within each transverse coil layer was developed.
  • Performance metrics including inductance, resistance, and figure of merit were compared between the new and conventional coil designs under identical dimensions and constraints.
Keywords:
Gradient coilHead coilMRIMagnetic field

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Main Results:

  • The new coil design demonstrated improved performance characteristics compared to conventional designs.
  • Specifically, the new design achieved lower inductance and lower resistance.
  • A higher figure of merit was observed for the proposed transverse asymmetric head gradient coil design.

Conclusions:

  • The integrated winding approach in transverse asymmetric head gradient coils offers significant performance advantages for MRI.
  • This new design represents an advancement in MRI coil technology, potentially leading to improved image quality and efficiency.