System and method for active MR tracking

Details System and method for active MR tracking System and method for active MR tracking

2008-01-19

2009-08-11

Shrivastav, Brij B. (Department: 2831)

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

C324S318000

Reexamination Certificate

active

07573267

ABSTRACT:
A system and method for active MR tracking includes a magnetic resonance imaging (MRI) system having a plurality of gradient coils positioned about a bore of a magnet, an RF coil assembly positioned in the bore, and a pulse module. The MRI system also includes a polarization reversal switch controlled by the pulse module to transmit RF signals to the RF coil assembly coupled to the polarization reversal switch and an RF switch controlled by the pulse module to transmit the RF signals to the polarization reversal switch.

REFERENCES:
patent: 5271400 (1993-12-01), Dumoulin et al.
patent: 6002256 (1999-12-01), Slade
patent: 6166540 (2000-12-01), Wollin
patent: 2003/0146750 (2003-08-01), Vaughan, Jr.
patent: 2005/0195084 (2005-09-01), Dimmer et al.

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