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Magn Reson Med. 1990 Mar;13(3):378-84. doi: 10.1002/mrm.1910130305.

A continuously variable field of view surface coil.

Magnetic resonance in medicine

R Duensing, J Fitzsimmons, D Sanford, J Vazquez

Affiliations

  1. University of Florida, Department of Radiology, Gainesville 32610.

PMID: 2325538 DOI: 10.1002/mrm.1910130305

Abstract

A new type of surface coil is described which allows the user to continuously vary the size of the field of view. This utilizes a modified radiofrequency trombone for size adjustment that results in a stable frequency over a wide range of dimensions. Results show that the coil may be increased in area by as much as 60% while maintaining frequency stability to ca. 1 MHz at 63.5 MHz. Images of the human spine are presented to demonstrate the clinical utility of the new design.

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