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H3, h6: given the nature of the alleged incident, the device, could not be returned for evaluation.However, the provided electronic photocopied fluoro/x-ray images were reviewed by the clinical/medical team and revealed that the screw passed-through the plate.The clinical/medical investigation concluded that, based on the information provided, no clinical factors have been definitively concluded to have contributed to the reported event; however, user technique could not be ruled out as a possible contributing factor.The surgical technique notes to limit engagement of va-locking mechanisms to ¿twice¿ during screw insertion.The assessed patient impact is the retained screw which passed-through the plate and the 0-30-minute surgical extension, and although unlikely, possible migration and local irritation cannot be ruled out.No further medical assessment can be rendered at this time.A review of complaint history for the previous 12 months did not reveal similar events for the listed device.A review of the instructions for use documents for mini-fragment plating system revealed in warnings section that that improper positioning may result in loosening, bending, cracking, or fracture of the device or bone or both.A review of the risk management file revealed this failure mode was previously identified.The anticipated risk level is still adequate.A historical review concluded that there are no prior actions related to this product and event.At this time, we have no evidence to suspect that the product failed to meet any product specifications at the time of manufacture.Some potential probable causes for this event could include a fit/ sizing issue or user technique.The contribution of the device to the reported event could be corroborated as the fluoro/x-ray images reveals that the screw did not lock into the hole of the plate and pass through it.Based on this investigation, the need for corrective action is not indicated.Should the device or additional information be received, the complaint will be reopened.No further investigation is warranted for this complaint; however, we will continue to monitor for future complaints and investigate as necessary.We consider this investigation closed.
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