SYSTEM AND METHOD FOR MAINTAINABILITY TEST BETWEEN PROCESSES OF FILTER

PROBLEM TO BE SOLVED: To test a sterilization filter for a radiotracer/dispenser/system between processes immediately after metering and distributing the radiotracer without dismantling the filter from the dispenser system, and to suppress radiation exposure of a human body to the minimum. SOLUTION:...

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Bibliographische Detailangaben
Hauptverfasser:	DUHNEN JOSEF, RIESE STEFAN, BRUSSERMANN MICHAEL
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASUREMENT OF NUCLEAR OR X-RADIATION MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To test a sterilization filter for a radiotracer/dispenser/system between processes immediately after metering and distributing the radiotracer without dismantling the filter from the dispenser system, and to suppress radiation exposure of a human body to the minimum. SOLUTION: This method for a maintainability test between processes of the filter can include a step for bonding a gas supply source for supplying gas 22 and controlling the gas pressure to the inflow side of the filter 202 without dismantling the filter from the dispenser system; a step for bonding a tube 204 filled with liquid 20 to the outflow side of the filter 202; a step for heightening the pressure, while monitoring the tube 204 relative to replacement (pushing and removal) of the liquid 20 with one or a plurality of bubbles 23 by a light beam 21; and a step for determining a value of the pressure when replacement of the liquid 20 is detected. COPYRIGHT: (C)2008,JPO&INPIT