Reported event: an event regarding revision due to patient factors (development of patellofemoral disease) involving 3.0 rio® robotic arm - mics, catalog: 209999 was reported.It was reported that ¿it was reported that the patient's left mako uni knee was revised.Pre-op diagnosis is failed unicompartmental knee replacement.Surgeon reported the development of patellofemoral disease.The patient's mako uni knee was revised to a ts total knee.Primary procedure was done at an unknown hospital by an unknown surgeon.Rep reported that no further information will be released by the hospital or surgeon." product evaluation and results: not performed as case session data was not provided.Product history review review of the device history records was not completed as the robot number was not provided.Complaint history review a search of the complaint database under device identification pn 209999 reports no similar complaints for pka software - other.Conclusions: the exact cause of the event could not be determined because insufficient information was provided.Additional information including device details, operative reports, progress notes, x-rays, return of the device and case session data/logs are needed to fully investigate the event.If further information becomes available or the product is returned, this investigation will be re-opened.Corrective action/preventive action: a search of the nc/capa database under device identification pn 209999 reports no records related to pka software - other.H3 other text : device not returned.
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