SCANNER SUBASSEMBLY FOR MAGNETIC RESONANCE IMAGING

SCANNER SUBASSEMBLY FOR MAGNETIC RESONANCE IMAGING

PROBLEM TO BE SOLVED: To provide a magnetic resonance imaging scanner subassembly capable of realizing a low noise level. SOLUTION: A magnetic resonance imaging(MRI) scanner subassembly 10 has preferably an annular cylindrical enclosure 12 containing a first vacuum, and an MRI gradient coil assembly...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MANSELL SCOTT THOMAS, PLA FREDERIC GHISLAIN, EDELSTEIN WILLIAM ALAN, DOBBERSTEIN ROBERT JAMES, RADZIUN MICHAEL JAMES, OBASIH KEMAKOLAM MICHAEL, HEDEEN ROBERT ARVIN, SUE PETER PING-LIANG, EBBEN THOMAS GERARD
Format: Patent
Sprache:eng
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
MEDICAL OR VETERINARY SCIENCE
PHYSICS
SURGERY
TESTING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a magnetic resonance imaging scanner subassembly capable of realizing a low noise level. SOLUTION: A magnetic resonance imaging(MRI) scanner subassembly 10 has preferably an annular cylindrical enclosure 12 containing a first vacuum, and an MRI gradient coil assembly 14 is laid in the enclosure 12 in the first vacuum. Furthermore, an annular cylindrical housing 16 is preferably included. This housing 16 is coaxially aligned with the enclosure 12 and contains a second vacuum higher than the first vacuum. Also, an MRI superconducting main coil 18 is laid in the housing 16 in the second vacuum. In addition, the MRI gradient coil assembly 14 of another subassembly 10 has a threshold excitation frequency, and an insulating mount assemblage 30 supports the MRI gradient coil assembly 14.