Magnet systems
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United States of America Patent
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Sep 5, 1989
Grant Date -
N/A
app pub date -
Oct 3, 1988
filing date -
Oct 5, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A magnet system (1) for a nuclear magnetic resonance (NMR) imaging apparatus comprising a magnetic core arrangement (7, 13, 15) shaped to provide two or more discrete gaps (3, 5) of different sizes in which objects to be imaged may be placed, the magnetic field across each gap being produced by a single drive coil arrangement (9) associated with the core arrangement. A system providing gaps of different sizes, for different types of NMR examination is thus provided at relatively low cost compared with using a separate magnet system for each type of examination.
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