(b)(4).Visual examination found that the rod had fractured into two separate pieces of unequal size.Device was then sent for fracture analysis which suggests that the rod failed under a fatigue fracture.A review of the device history record was conducted.No issues were identified during the manufacturing and release of this product that could have contributed to the problem reported by the customer.All complaint trends will be evaluated as a part of the depuy spine monthly complaint review meeting.A definitive root cause for the rod fracturing cannot be positively determined.However, the fracture analysis report suggests that the rod failed under a fatigue fracture.As there has been no issue identified in the manufacturing or release of the device that could have contributed to the problem reported by the customer and no systemic trends were found, this complaint file will be closed with no further action required.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
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