(b)(4).Trend analysis - no negative trend was identified.Communication/interviews - further information on event and its circumstances has been requested from the reporting site as well as clarification of the event/ device relationship.As yet no new information has been provided.Device not accessible for testing - the status of the device is currently unknown.Analysis if production records - qc, manufacturing and physical test records of the base material were retrieved and reviewed and show that the batch was manufactured to design specification and all tests met acceptance criteria.No device problem found - no issue has been found upon review of the retained device history records for this device/batch.Cause not established - limited information was provided and the graft has been discarded by the site, so no pbysical evaluation will be possible.Further action is not planned, however, the issue will be tracked and trended as part of the on-going complaints trending and reporting process and if an adverse trend develops action may be taken at that time.
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