Technologies

time icon Nov. 14, 2017

Split Birdcage Coil for Magnetic Resonance Imaging and Spectroscopy

Technology description

Magnetic Resonance Imaging/Spectroscopy (MRI/MRS) has found wide applications in clinical diagnosis as well as biomedical research. To observe a nucleus other than hydrogen (typical MRI or MRS), e.g. phosphorus or carbon, a dual-tuned coil is needed. The current commercially available dual-tuned volume coils are very hard to make due to complicated, iterative tuning/matching procedures, which impedes wide applications of multinuclear MRI/MRS. This invention relates to an easy-to-use, newly designed coil that allows for simultaneous multinuclear measurements and can be readily adapted for use in conjunction with existing MRI/MRS equipment.

Building upon a split birdcage design, the inventors developed a novel design that provides for strong coupling along the z-axis, large multinuclear sampling volume, use of inductive coupling between the coils, and full use of all of the legs in the said coil. The design includes additional features such as two quadrature couplers, multi-component matching circuits and phase shifters, non-magnetic coaxial cable, and a protective plastic shell.

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More information

Institution
Categories
  • Diagnostic radiology
  • Diagnosis and treatment
Keywords:

magnetic resonance imaging/spectroscopy

found wide applications

iterative tuning/matching procedures

impedes wide applications

multi-component matching circuits

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