Shimming with MRI gradient

Details Shimming with MRI gradient Shimming with MRI gradient

2008-01-01

2008-01-01

Shrimarinov, Brij (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

Reexamination Certificate

active

07315168

ABSTRACT:
A method of correcting active shimming element of a magnetic resonance device, including providing a set of correction values for each shimming element for a given N sub volumes, wherein N is an integer number greater than or equal to 1, detecting irregularities in the magnetic field of the sample regions, optimizing all the shimming elements according to the set of correction values, assessing the regularity of the corrected magnetic field, and reiterating the process until field uniformity is achieved, such that an accurate magnetic resonance measurement of the sample is achieved after a minimum number of iterations.

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