Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Reexamination Certificate
2005-12-27
2005-12-27
Shrivastav, Brij B. (Department: 2859)
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
C324S322000
Reexamination Certificate
active
06980001
ABSTRACT:
A parallel magnetic resonance imaging (MRI) apparatus configurable to image a physical entity comprises:a main magnetic flux source for providing a uniform fixed magnetic field, B0;an RF array system comprising a plurality of RF coils and receivers, said RF system configured for:generating rotating RF excitation magnetic fields B1; andreceiving RF signals due to precessing nuclear magnetization on multiple spatially distinct radio frequency coils and associated receiver channels, said RF system being configured to operate in accordance with a B1sensitivity encoding technique;a control processor for controlling imaging functionality, collecting image data and effecting data processing of the captured image data the control processor being configured with post processing capability for the B1sensitivity encoding technique;an image display means for displaying processed image data as resultant images; andan auxiliary magnetic field means capable of producing at least one auxiliary uniform B0step magnetic field imaging region within the main B0magnetic field;wherein:the auxiliary magnetic field, means is configured to operate in combination with the RF coil system and the B1sensitivity encoding technique, the imaging apparatus thereby providing faster image acquisition than that attributed to the speed up factor provided solely by the B1sensitivity encoding technique.The invention also includes a method of imaging using this apparatus.Furthermore, the invention also includes a method and apparatus for three-dimensional MR imaging using a 1D Multiple Acquisition Micro B0array coupled with a 2D Multiple Acquisition Micro B0array.
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Paper by P.M. Jakob, A. Vath, A. Haase entitled “SESAM: Simultaneous Excitation and Simultaneous Acquisition of Multiple MR Tomograms”, Physikaiisches Institut, Universitat Wurzburg, D-8700 Wurzburg, FRG.
Lee Kuan
Paley Martyn
Shrivastav Brij B.
The University of Sheffield at Western Bank
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