Apparatus for dynamic angular position tracking

Details Apparatus for dynamic angular position tracking Apparatus for dynamic angular position tracking

2005-12-27

2005-12-27

Shaw, Shawna J. (Department: 3737)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C600S421000, C324S309000, C324S308000

Reexamination Certificate

active

06980847

ABSTRACT:
A magnetic resonance imaging (“MRI”) system and method of correcting for the motion of a subject during an MRI scan. The motion of a subject in an MRI scan is corrected by acquiring nuclear magnetic resonance (“NMR”) spectra of an ordered material attached to a subject, wherein there is a dependence on the NMR spectra of the ordered material's orientation in a magnetic field, and determining an orientation of the subject. Correction information is then supplied to a primary spectrometer channel which is used to execute an MRI scan, and an imaging pulse sequence of the MRI scan is adjusted to correct the subject's orientation.

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Peshkovsky A., Knuth K.H., Helpern J.A. Motion Correction in MRI Using an Apparatus for Dynamic Angular Position Tracking (ADAPT). Magnetic Resonance in Medicine 2003; 49:138-143.

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