Device evaluation was not possible as the product remains implanted.There have been no clinical issues reported as of the completion of this investigation.Information and radiographs provided were reviewed by engineering and precision spine's internal medical officer.No evidence was found that the product did not meet specifications.No trend was identified and root cause could not be determined therefore, a need for corrective action is not indicated review of manufacturing history records found a total of (b)(4) pieces of lot 1207fm were released for distribution on august 13, 2012 with no deviation or anomalies.A three year complaint history review did not find any previous reports of this nature for the reported lot.Further review for all part numbers in the acpxxxx family of simplicity anterior cervical plates did not identify a trend for reports of locking rivet failure.The simplicity anterior cervical plate system instruction for use (ifu) lbl-ifu-005, states under potential adverse affects: "8.Bending, loosening, fracture, disassembly, slippage and/or migration of components" and under warnings "2.Potential risks identified with the use of this device system, which may require additional surgery, include device component fracture, loss of fixation, non-union, fracture of the vertebrae, necrosis of the bone, neurological injury, and/or vascular injury.".
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