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Screen-printed flexible MRI receive coils.

Joseph R Corea1, Anita M Flynn1, Balthazar Lechêne1

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This summary is machine-generated.

Researchers developed novel printed magnetic resonance imaging (MRI) receive coils. These flexible, lightweight coils improve signal-to-noise ratio, even when displaced, offering better image quality and faster scans.

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Area of Science:

  • Medical Imaging
  • Materials Science
  • Electrical Engineering

Background:

  • Magnetic resonance imaging (MRI) is limited by poor signal-to-noise ratio, affecting spatial resolution, image quality, and acquisition time.
  • Conventional MRI receive coils often lack flexibility, leading to poor fit, discomfort, and signal loss, especially with patient movement or displacement.

Purpose of the Study:

  • To introduce a novel fabrication method for MRI receive coils using printing technology.
  • To assess the performance of these new printed coils in terms of flexibility, weight, and signal-to-noise ratio compared to conventional coils.
  • To demonstrate the clinical applicability of printed coils, including in vivo studies with infant blankets.

Main Methods:

  • Development of highly flexible, lightweight MRI receive coils through a printing fabrication approach.
  • Characterization of material properties and component performance for the printed coil prototypes.
  • In vivo testing of prototype coil arrays integrated into infant blankets on clinical 1.5-T and 3-T MRI scanners.

Main Results:

  • The printed coils demonstrated superior flexibility and significantly reduced weight compared to traditional coils.
  • Signal-to-noise ratio performance was comparable or higher than conventional coils, even with displacements up to 18 mm.
  • Successful in vivo studies were conducted, showcasing the functional integration of printed coils in clinical settings.

Conclusions:

  • Printing technology enables the creation of advanced, conformable MRI receive coils with enhanced performance.
  • These novel printed coils offer a promising solution to overcome limitations of conventional MRI, improving image quality and patient comfort.
  • This work represents a significant advancement, providing the first fully functional printed coils for clinical MRI scanners.