A customer reported a positive result with a cyclesure® 24 biological indicator (bi) after a completed sterrad® nx cycle.The affected load was released and used on a patient.There was no report of infection, injury or harm to patient(s) associated with this issue.Although there is no report of patient injury or harm and no prior incidents have resulted in serious injury, advanced sterilization products (asp) has determined in this situation sterility cannot be assured.Therefore, as a matter of policy asp had decided to report all incidents of positive cyclesure® 24 biological indicators when the load has not been reprocessed before use.
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(b)(6).Asp investigation summary: the investigation included a review of the device history record (dhr), trending of lot number, system risk analysis (sra), functional analysis and retains analysis.Trending analysis by lot number was reviewed from 03/26/2017 to 09/22/2017 and trending was not exceeded.The sra indicates the risk associated with exposure to biohazardous, pathogenic or infectious material is "low." no functional testing was performed as the suspect bi was not returned for evaluation.There is insufficient information to determine an assignable cause.The customer was unresponsive to multiple attempts at follow-up for additional information.It is unlikely the suspected positive bi was caused by a manufacturing issue as the retains met functional specification, dhr review found no anomalies that would contribute to a positive bi result and lot history review found trending was not exceeded in this lot.The issue will continue to be tracked and trended.
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