Unique device identifier (udi): (b)(4).Mayfield skull clamp (a1059) was not returned for evaluation and lot number information has not been provided; therefore, an evaluation of the device could not be performed, and manufacturing records could not be reviewed.The cause(s) of the difficulty reported by the customer could not be determined.Unit is beyond integra¿s 7 years recommended life cycle (manufactured in 2008).If additional relevant information becomes available in the future, this complaint will be reopened, and the respective evaluation performed.Trends will be monitored for this and similar issues.At present, we consider this complaint to be closed.
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