The reported ultrabutton fixation device, intended for use in treatment, was not returned for evaluation.Attempts were made to retrieve the product and product has yet to be received.If the product is received at a later date, this complaint will get re opened and product evaluation processed.A relationship between the product and reported incident cannot be established as the product was not returned.Without the reported product a visual evaluation cannot be performed and customer complaint cannot be confirmed.From the information provided, the button was not seated against the femoral cortex and instead was found resting high in the soft tissue 5 -10 mm.An exact root cause cannot be determined without evaluation of the device; however, factors unrelated to the manufacture or design of the device that could have contributed to the reported event include: (1) bone quality or (2) incomplete insertion.Insufficient quality or quantity of bone, inadequate bone stock or comminuted bone surfaces could compromise secure fixation of the implant.Also, incomplete insertion or poor bone quality may result in implant pullout.An exact root cause cannot be determined with confidence as no product was received for evaluation.There were no indications that would suggest that the device did not meet product specifications upon release into distribution.
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