Interventional MRI system and RF coils therefore

Surgery – Truss – Pad

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1286535, 324318, 324322, 600 13, A61B 505

Patent

active

053579585

ABSTRACT:
An MRI RF coil utilizes a helical conductor having a plurality of turns and a non-uniform pitch between turns along at least a portion of the axial length of the coil. The non-uniform pitch is disposed so as to accommodate interventional procedures and/or interventional apparatus (e.g., stereotaxic frames) when used on a human patient in conjunction with magnetic resonance imaging. The non-uniform pitch portion of the coil may comprise a simple gap, an opening formed by deformation or angular disposition of some or all of the coil turns and/or by utilizing fringe field effects of the coil to accomplish at least some of the magnetic resonance imaging procedure.

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