Method for constructing a transversal gradient coil in a magneti

Details Method for constructing a transversal gradient coil in a magneti Method for constructing a transversal gradient coil in a magneti

1993-02-05

1994-05-03

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324322, G01R 3320

Patent

active

053091078

ABSTRACT:
For the purpose of constructing a transversal gradient coil, formed by a conductor, for producing a target field distribution with a prescribed current in a magnetic resonance imaging system, a series of points defining the locations of the coil conductor on a carrier are identified by placing a grid mesh network of elementary saddle coils over the carrier, calculating the magnetic field of these elementary saddle coils and defining a number of ampere-turns for each elementary saddle coil with a fit algorithm on the basis of the target field distribution. The discrete conductor position points are then identified by integration which, in combination, define the path of the coil conductor on the carrier.

REFERENCES:
patent: 4456881 (1984-06-01), Compton
patent: 4712067 (1987-12-01), Roschmann et al.
patent: 4725781 (1988-02-01), Roschmann
patent: 5212450 (1993-05-01), Carvajal et al.
patent: 5227727 (1993-07-01), Makita
"NMR Imaging Techniques and Applications: A Review," Bottomley, Review of Scientific Instrumentation, vol. 53, No. 9 (1982), pp. 1319-1337 (no month).
"Magnetic Field Profiling: Analysis and Correcting Coil Design," Romeo et al. Magnetic Resonance in Medicine, vol. 1 (1984), pp. 44-65 (no month).

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