|
It was reported that, after a thr surgery, the patient experienced loosening of the cpcs cocr prim so 12/14 sz 1 stem.This adverse event was solved via revision surgery on (b)(6) 2023, in which the stem, the liner and an unknown 28 mm femoral head were explanted.Patient's current health status is unknown.
|
|
The reported event was analyzed.Although the involvement of all the devices was reported, the relationship with the investigated failure was directly associated to the cpcs cocr prim so 12/14 sz 1.Therefore, no investigation is deemed for the other devices.The device was not returned for evaluation; therefore, a device analysis could not be performed.The clinical/medical investigation concluded that, as of the date of this medical investigation, supporting clinical documentation has not been provided; therefore, there were no clinical factors found which would have contributed to the event.The patient impact beyond the reported events cannot be determined with the information provided.No further clinical assessment is warranted at this time.Device batch number was not provided, thus, an evaluation of the manufacturing records could not be performed.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 total hip systems revealed revealed in warnings and precautions that failure to use the optimum-sized component may result in loosening of the component, resulting in revision surgery.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 reason to suspect that the product failed to meet any specifications at the time of manufacture.Factors that could contribute to the reported event include abnormal motion over time, bone degeneration, size selected, inadequate integration between the cement and bone/implant, osteolysis and/or traumatic injury.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.
|