US 12,293,848 B2
Coaxial needle Technetium elution generator
Thomas Alan Artman, Forest, VA (US); Christopher Sean Fewox, Forest, VA (US); Benjamin Daniel Fisher, Lynchburg, VA (US); and Bryan Blake Wiggins, Forest, VA (US)
Assigned to BWXT Isotope Technology Group, Inc., Lynchburg, VA (US)
Filed by BWXT Isotope Technology Group, Inc., Lynchburg, VA (US)
Filed on Dec. 28, 2021, as Appl. No. 17/563,211.
Claims priority of provisional application 63/131,554, filed on Dec. 29, 2020.
Prior Publication US 2022/0208407 A1, Jun. 30, 2022
Int. Cl. G21G 4/06 (2006.01); G21G 1/00 (2006.01)
CPC G21G 4/06 (2013.01) [G21G 1/001 (2013.01); G21G 2001/0042 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An elution generator comprising:
an elution column having a container defining an interior volume in which an elutable material is located and a septum that seals an opening to the interior volume;
a radiation shield comprising:
an upper shield portion defining a central recess and a coaxial flow needle assembly including a coaxial flow needle extending downwardly into the central recess, and
a lower shield portion having a base and a body portion extending upwardly therefrom, the body portion defining a central recess that is configured to receive the elution column therein,
wherein the elution column is disposed in the central recess of the lower shield portion, the body portion of the lower shield portion is disposed in the central recess of the upper shield portion, and the coaxial flow needle extends downwardly through the septum into the internal volume of the elution column.