Asp investigation summary: the investigation included a review of the device batch record, supplier product evaluation, trending analysis by lot number, and system risk analysis (sra).¿ trending analysis by lot number was reviewed from 07/29/2016 to 01/25/2017 and trending was not exceeded.¿supplier product evaluation was not performed as the suspect cassette was not returned for evaluation.¿the sra indicates the risk associated with a quality problem with no impact on safety is "low." the instructions for use (ifu) of the sterrad® 100nx cassette state: "caution: wear personal protective equipment if handling a used cassette, or any of the cassette case components that may have been subject to liquid leak.This includes a cassette that has been ejected (for any reason) after insertion." it is unlikely that there was a performance issue in the sterrad® cassette product since the batch record review found no anomalies that would contribute to the issue, and lot history review did not exceed trending.The product was not returned for analysis and could not be evaluated.The cause could not be verified.
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