The device was not returned to nuvasive for evaluation as it was not removed from the patient and remains in-situ.However, photographs were provided and confirm the reported partial tearing of the band.As no device or further event information was made available, such as operative notes or details on surgical technique, a definitive root cause cannot be determined.However, potential causes/contributors include: excessive tension being applied to the band, an instrument or bone contacting the band creating the damage, or an out-of-spec torque handle being utilized during tightening.Manufacturing review: review of the device history records notes no material non-conformances, no manufacturing errors, and no discrepancies with respect to material type, treatments, or dimensions that may have caused or contributed to this mode of failure.Parts met acceptance criteria upon release.Labeling review: ".Warnings, cautions and precautions: the implantation of the spinal system should be performed only by experienced spinal surgeons with specific training in the use of this spinal system because this is a technically demanding procedure presenting a risk of serious injury to the patient." ".Preoperative warnings: 3.Care should be used in the handling and storage of the versatie implants.The implants should not be scratched or damaged.Implants and instruments should be protected during storage and from corrosive environments.For sterile implants: assure highly aseptic surgical conditions, and use aseptic technique when removing the versatie implant from its packaging.Inspect the implant and packaging for signs of damage, including scratched or damaged devices or damage to the sterile barrier.Do not use the versatie implants if there is any evidence of damage.5.Devices should be inspected for damage prior to implantation.6.Care should be used during surgical procedures to prevent damage to the device(s) and injury to the patient." ".Potential adverse events and complications potential risks identified with the use of this system, which may require additional surgery, include: disassembly, fraying, kinking, loosening, bending or breakage of any or all of the versatie system implant components.Loss of fixation.Nonunion or delayed union.Pain, discomfort or abnormal sensations due to the presence of the device.".
|