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It was reported that, during a navio assisted pfa surgery, the end of the navio bone pin 4.0mmx152mm sheared off.Incident occurred while instrument was inside the patient and all the pieces were removed using forceps.The procedure was finished with a smith and nephew back up device without delays.The patient was not harmed beyond the issue reported.
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Results of investigation: the navio bone pin 4.0mmx152mm (united kingdom) product rob00031, used for treatment was not made available to the designated complaint unit for evaluation however a photo was provided for evaluation.A relationship between the reported event and the device was confirmed.The photo shows the end of the bone pin that had sheared off in the collection tray.A functional evaluation could not be performed because the device was not returned.While all products meet required manufacturing specifications prior to release a serial number or lot number is required to link the device to a dhr or nc investigation.A complaint history review for similar reported/confirmed complaints concluded this was an isolated event.A historical capa, hhe/pra, field action review was completed.A review of prior escalation actions found no actions applicable to the scope of this case.The most likely cause of this event is surgical technique.The navio surgical technique guide (500197) provides instructions when removing checkpoints to pull in a perpendicular manner away from the bone.Do not pry or bend the checkpoint when removing.This failure is an identified failure mode within the risk assessment and the anticipated risk level is still adequate.Per complaint details from the uk, it was reported that during a navio assisted pfa surgery, the end of the navio bone pin sheared off.Based on the information provided, the incident occurred while the instrument was inside the patient and all the pieces were removed using forceps.The procedure was finished with a smith+nephew back up device without delays.No patient injury or impact was reported.Smith+nephew has not received adequate materials (operative reports) to fully evaluation the complaint, but if additional clinically relevant materials are later received the complaint can be reopened.Although no further containment or corrective action is recommended or required at this time, all complaints are monitored and trended through post market surveillance activities.If the product associated with this event is returned at a future date, this evaluation will be reopened for investigation.
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