Apparatus for active cooling of an MRI patient bore in cylindrical MRI systems

The present invention provides for a cooling system for circulating a coolant to cool the patient bore. In one embodiment, that patient bore consists of two concentric cylinders separated by spacers running either longitudinally or helically. In another embodiment of the present invention, fluid may...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MICHAEL L ALLFORD, NEIL CLARKE, ANTHONY MANTONE, MICHAEL BEN SELLERS
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS DIAGNOSIS ELECTRICITY HUMAN NECESSITIES HYGIENE IDENTIFICATION INDUCTANCES MAGNETS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MEDICAL OR VETERINARY SCIENCE PHYSICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SURGERY TESTING TRANSFORMERS
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Beschreibung
Zusammenfassung:	The present invention provides for a cooling system for circulating a coolant to cool the patient bore. In one embodiment, that patient bore consists of two concentric cylinders separated by spacers running either longitudinally or helically. In another embodiment of the present invention, fluid may be passed either helically or longitudinally through tubes bonded to the outer diameter of the patient bore such that the parts of the bore that are exposed to the patient are directly cooled. In a third embodiment, the RF coil could form part of the patient bore, with the helical or longitudinal fluid channels surrounding the patient bore.