At the end of the case the handpiece was disposed of by a scrub tech and not recovered, so the device was not available for evaluation.The device history record was reviewed and the manufacturing and sterilization records for bl5631td, lot w5480 were found to be acceptable.Since the product was not returned we were unable to investigate for the root cause which has been determined to be unknown and inconclusive.Monitoring for the reported complaint will continue.The lot history, trend analysis, risk analysis and/or directions for use review were considered acceptable, with the product performing within anticipated rates.No corrective action was deemed necessary.There was no patient impact or injury.The investigation is complete.
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