Patent ID: 7200198

Claim:
A fluorine-18 ion ( 18 F − ) recirculating-target radionuclide producing apparatus, comprising: (a) a target chamber comprising a target inlet port and a target outlet port and including oxygen-18 enriched target liquid; (b) means for applying a proton beam to the target chamber for irradiating the oxygen-18 enriched target liquid in the target chamber at a beam power of 1.0 kW or greater; (c) a regenerative turbine pump comprising a pump inlet port and a pump outlet port; (d) a heat exchanging section disposed externally from the target chamber and interposed between the target chamber and the regenerative turbine pump; (e) a first liquid transport conduit interconnecting the pump outlet port and the target inlet port; and (f) a second liquid transport conduit extending through the heat exchanging section and interconnecting the target outlet port and the pump inlet port.