Magnetic gradient winding system comprising circular...

Details Magnetic gradient winding system comprising circular... Magnetic gradient winding system comprising circular...

2004-09-02

2008-07-22

Arana, Louis M (Department: 2831)

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

C324S319000

Reexamination Certificate

active

07403009

ABSTRACT:
In order to produce field strength gradients (x,y) for a NMR machine, the curve-shaped gradients are substituted by coils arraigned in tubes. Said tubes are distributed on the annular circumference (6) of the examination space of the tunnel NMR machine. Said invention makes it possible to produce at request field strength gradients in all necessary directions by providing each tube with the same set of coil elements and supplying them with selected currents.

REFERENCES:
patent: 4985679 (1991-01-01), McDougall
patent: 5530355 (1996-06-01), Doty
patent: 6515479 (2003-02-01), Arz et al.
patent: 0221 810 (1987-05-01), None
patent: WO 89/03031 (1989-04-01), None
Quiet Magnetic Resonance Imaging Gradients; An Da Yeo; Department of Electrical Engineering/University of Queensland, Australia; Oct. 2000.

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