Isotope generator

Radiant energy – Fluent material containment – support or transfer means – With irradiating source or radiating fluent material

Reexamination Certificate

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Details

C250S496100, C250S493100, C250S43200R

Reexamination Certificate

active

07023000

ABSTRACT:
Disclosed are a method and an apparatus for generating and collecting a secondary compound that includes daughter isotope, such as68Ga, resulting from the decay of a parent isotope, such as68Ge, present in a precursor compound. The apparatus includes a generator system comprising a collector vessel, a cold trap and a pump, that are operatively connected to sources for introducing a precursor compound and an eluant solution, and optionally purging gases and oxygen scavengers, into the generator system. In a generation mode a substantial portion of the precursor compound is maintained in or flows through the collector vessel while in recovery mode substantially all of the precursor compound is confined in the cold trap while the collector vessel is flushed with an eluant to remove the collected secondary compound.

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patent: 61-153127 (1986-07-01), None
Yants, V. E.; Zyuzin, A. Y.; and Zhuikov, B. L., “Linear Sources of Ge-68”, Institute for Nuclear Research, Moscow, Russia, pp. 17-18.
Robinson Jr., G. D., “Generator Systems for Positron Emitters”, Positron Emission Tomography, 1985, pp. 81-101.
Gleason, G. I., “A Position Cow”, Int'l Journal of Applied Radiation and Isotopes, 1960, vol. 8, pp. 90-94.
PCT International Search Report in PCT Appl. No. PCT/CA2004/000748 dated Sep. 2, 2004.

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