Coil system for volume-selective magnetic resonance spectroscopy

Details Coil system for volume-selective magnetic resonance spectroscopy Coil system for volume-selective magnetic resonance spectroscopy

1990-05-29

1992-05-05

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324322, G01R 3320

Patent

active

051111462

ABSTRACT:
A coil system is disclosed which is particularly suitable for volume-selective MR spectroscopy. In addition to the coil for generating the RF pulses and for receiving the MR spin resonance signals, the coil system comprises a correction coil which receives a direct current so that this coil generates an inhomogeneous field which compensates for inhomogeneities of the steady magnetic field in the selected volume. As a result, the magnetic field in this zone becomes homogeneous to such an extent that spectroscopic examinations can also be performed in zones in which the magnetic susceptibility varies strongly in space.

REFERENCES:
patent: 4721914 (1988-01-01), Fukushima et al.
patent: 4737717 (1988-04-01), Petro
patent: 4737754 (1988-04-01), Goldie
patent: 4752738 (1988-06-01), Patrick et al.
patent: 4843549 (1989-06-01), McKinnon
patent: 4862087 (1989-08-01), Hillenbrand et al.
"Magnetic Field Mapping and NMR Imaging by Multi-Frequency SENEX", by M. Braun, W. I. Jung, O. Lutz and R. Oeschey.

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