Patent ID: 6847209
Filing Date: 2005-01-25
Classification: G01R

Abstract:
1. An NMR imaging process, comprising: subjecting an imaging object to a uniform polarizing magnetic field; applying orthogonal magnetic field gradients to the imaging object; applying RF energy to the imaging object according to a fast-spin echo technique; subsequently applying RF energy to the imaging object according to a driven equilibrium technique; detecting a nuclear magnetic resonance signal emitted by the imaging object; processing the nuclear magnetic resonance signal to provide diagnostic information; providing the diagnostic information to a presentation device such that a visual imaging to the imaging object can be viewed by an operator; and making a subjective determination of whether the visual image is of good quality or bad quality; wherein applying RF energy to the imaging object according to a fast-spin echo technique includes applying an RE pulse corresponding to the angular precession frequency for a selected slice of the imaging object, and further comprising applying an RE pulse corresponding to a different angular precession frequency, to select a respective different slice of the imaging object, if the subjective determination is that the visual image is of good quality.