Upon visual inspection of the returned unit, the reported foreign material (hair) was confirmed.A human hair strand was observed trapped within the product blister and tyvek seal.Based on investigation findings, the most likely root cause for subject foreign material is workmanship-related (procedures not followed), since the hair was not captured during the particles inspection check or packaging stage.According to event details information in the product inquiry record, there was no patient involvement or associated procedure; the non-conformance was noticed prior to procedure.In sum, the unit was returned and the reported failure mode was confirmed.
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