RF coil and magnetic resonance imaging apparatus

Details RF coil and magnetic resonance imaging apparatus RF coil and magnetic resonance imaging apparatus

2006-10-19

2008-08-05

Shrivastav, Brij (Department: 2831)

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

C324S307000, C324S309000, C600S410000, C600S422000

Reexamination Certificate

active

07408351

ABSTRACT:
An RF coil which can restrain coupling while enhancing the freedom of design and arrangement of coils is to be provided. The RF coil unit of a magnetic resonance imaging apparatus is provided with a central coil surrounding a subject around its body axis, an auxiliary coil disposed toward one end of the central coil and having first loop units mutually opposed with the body axis in-between, and another auxiliary coil disposed toward the other end of the central coil and having second loop units mutually opposed with the body axis in-between, wherein one of the first loop unit and one of the second loop unit are arranged to be on mutually reverse sides with respect to the body axis and so connected that the directions of currents resulting from increases in magnetic fluxes in the same direction are in mutually reverse directions.

REFERENCES:
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patent: 2007/0114998 (2007-05-01), Yoshida
E.B. Boskamp; Fast Drop Off Cylindrical RF Transmit Coils; Proc. Intl. Soc. Mag. Reson. Med. 10(2002); 1 pg.

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