Surgery – Truss – Pad
Patent
1988-02-12
1990-01-23
Jaworski, Francis
Surgery
Truss
Pad
128696, 324309, A61B 504
Patent
active
048951579
ABSTRACT:
A magnetic resonance imaging system applies repeatedly gradient magnetic fields and a high frequency magnetic field in a predetermined sequence according to an phase encoding method to a region including a selected slice of a subject having a varying portion which periodically varies and in which substantially at least two conditions alternately appear, in order to excite a magnetic resonance phenomenon in the selected slice, acquire a magnetic resonance signal due to the magnetic resonance phenomenon, and obtain magnetic resonance imaging information of the selected slice from the acquired magnetic resonance signal. The system comprises a variation detector for monitoring the variation of the varying portion of the subject, and detecting timings corresponding to the two conditions. The system is responsive to the variation detector to control the repetition of the predetermined sequence and acquire alternately magnetic resonance signals in the two conditions.
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Jaworski Francis
Kabushiki Kaisha Toshiba
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