Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1992-08-06
1994-02-08
Arana, Louis
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
1286535, G01V 300
Patent
active
052851605
ABSTRACT:
Magnetic resonance apparatus includes a main magnet system (1) for generating a steady magnetic field, a magnet system (3) for generating gradient fields, an RF transmitter coil (9) and an RF receiver coil system (13) which includes first and second RF coil systems (47, 49) for detecting resonance signals generated in respective first and second regions of an object to be arranged on a supporting face (43), said regions being adjacently situated in a first direction (57), each of the first and second RF coil systems comprising at least a surface coil. The apparatus is intended notably for the examination of the spine of a patient arranged on the supporting face (43), the first region containing the thoracic segment of the spine (T-spine) and the second region containing the lumbar segment (L-spine). In order to enable easy adaptation of the position of the second RF coil system (49) to the location of the L-spine of an individual patient, the first RF coil system (47) is arranged to be stationary relative to the supporting face (43) in a first coil plane (53) extending substantially parallel to the supporting face, whereas the second RF coil system (49) is arranged to as to be displaceable in the first direction (57) in a second coil plane (61) which extends parallel to the first coil plane (53).
REFERENCES:
patent: 4684894 (1987-08-01), Bliehall
patent: 4694255 (1987-09-01), Hayes
patent: 4777438 (1988-10-01), Holland
patent: 4791371 (1988-12-01), Krol
patent: 4816765 (1989-03-01), Boskamp
patent: 4943775 (1990-07-01), Boskamp et al.
Loos Albertus L. J. G. M.
Selder Otto R. A. M.
Van Heelsbergen Teunis R.
Arana Louis
Slobod Jack D.
U.S. Philips Corporation
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