Recall Z-2572-2023 — Constancy (Cs-137) nanoDot D2DNN, Model Numbers: a) 18155-000 (EMEA number VKITCON001); b) 18155-KIT; radiation monitoring dosimeter used with the microSTAR readers
U.S. FDA — Device Enforcement · United States · 2023-07-12 · Class II
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Reported risk: LANDAUER received reports indicating that some nanoDots may potentially be outside of the specified range of +/-5.5% accuracy. Investigation of nanoDots indicated the presence of a potential non-conformance in the Optical Stimulated Luminescence (OSL) material that is beamed after exposure and emits fluorescence proportional to radiation exposure.
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