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ACTIVE TRANSMIT ELEMENTS FOR MRI COILS AND OTHER ANTENNA DEVICES, AND METHOD

  • US 20140097846A1
  • Filed: 12/10/2013
  • Published: 04/10/2014
  • Est. Priority Date: 09/09/2010
  • Status: Active Grant
First Claim
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1. A method comprising:

  • providing an MRI coil having a plurality of antenna elements, including a first antenna element and a second antenna element;

    locating the MRI coil in a bore of an MR magnet;

    based on a control signal from a location remote from the plurality of antenna elements, power amplifying a first RF pulse to obtain a first high-power RF pulse and power amplifying a second RF pulse to obtain a second high-power RF pulse; and

    coupling the first high-power RF pulse to at least the first antenna element but not to the second antenna element and coupling the second high-power RF pulse to at least the second antenna element, wherein the power amplifying is performed in the bore of the MR magnet.

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