NMR coil arrangement

Details NMR coil arrangement NMR coil arrangement

1985-01-10

1987-07-14

Levy, Stewart J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324309, 324322, G01R 3320

Patent

active

046805494

ABSTRACT:
The invention relates to a coil arrangement intended for an NMR testing apparatus for collecting NMR information about a target to be examined, said arrangement comprising first coil means (2) for exciting the nuclei of a target area and for receiving a signal emitted by the nuclei of a target area. The arrangement further includes second coil means (6) for gaining the amplitude of a signal emitted by a limited section of a target and connected to said first coil means, said gain being in proportion to the amplitude of a signal connecting from another section of a target. This is a way of improving the ratio of a signal connecting to said first coil means (2) from said limited section of a target to the electric noise created in the signal collection unit and in a target. The invention can be preferably applied to NMR imaging units which, in addition to mapping the entire body, can be used for the examination of smaller subdomains, such as the eye, ear, limbs etc.

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patent: 4587493 (1986-05-01), Sepponen
patent: 4617936 (1986-10-01), Malko
patent: 4620155 (1986-10-01), Edelstein
E. Boskamp, Application of Surface Coils in MR Imaging, Medicamundi, vol. 29, No. 2, 1984, pp. 76.

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