×

System and method for tissue point tracking using magnetic resonance imaging

  • US 7,683,621 B1
  • Filed: 09/08/2008
  • Issued: 03/23/2010
  • Est. Priority Date: 09/08/2008
  • Status: Active Grant
First Claim
Patent Images

1. A magnetic resonance imaging (MRI) apparatus comprising:

  • a plurality of gradient coils positioned about a bore of a magnet;

    an RF coil assembly coupled to a pulse generator to emit RF pulse sequences and arranged to receive resulting MR signals from a subject of interest; and

    a system control coupled to the plurality of gradient coils and the RF coil assembly, the system control programmed to;

    cause the RF coil assembly to emit a first RF pulse comprising a first pair of two-dimensional (2D) spatially selective beams, each of the beams being directed to a respective tagging location in the subject of interest and wherein the tagging locations are equidistant from a pre-determined point-of-interest;

    acquire a first series of MR images from the subject of interest;

    identify the first pair of 2D spatially selective beams in each MR image in the first series of MR images; and

    track a position of the point-of-interest based on the identified 2D spatially selective beams in the first series of MR images.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×