Gradient drive system for magnetic resonance imaging

Details Gradient drive system for magnetic resonance imaging Gradient drive system for magnetic resonance imaging

1999-09-16

2000-11-28

Patidar, Jay

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324318, G01R 3320

Patent

active

061540315

ABSTRACT:
A gradient drive system for delivering current pulses to an MRI gradient coil, having an input for receiving an relatively high voltage supply for the gradient coil, a relatively low voltage battery supply for the gradient coil and a controller coupled to the input for controlling the high voltage supply dependent on the current supply to the gradient coil.

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patent: 5270657 (1993-12-01), Wirth et al.
patent: 5311136 (1994-05-01), Takahashi
Patent Abstracts of Japan, Pub No. 02034150, "Power Unit for Magnetic Resonance Imaging Device".
APEC '93, pp. 806-812, "A High-Efficiency 4-Switch GTO Speed-Up Inverter for the Generation of Fast-Changing MRI Gradient Fields", O. M. Mueller, J. N. Park, P.B. Roemer, S. P. Souza.

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