It was reported that during cori tka journey bcs procedure when advanced to the visualize plane screen for the tibia as the surgeon was setting up his jig, the plane checker showed significant deviation from the planned planes.The surgeon didn¿t trust it, and they went to verify checkpoints.They failed the femur checkpoint four times at 3.5mm.They were using the 152mm cori bone pins in the femur and the clamp was tightened as high as it could go distal to the black laser etch line.The thigh of the patient was large and the bone pins were placed on the anterior femoral shaft.They suggested to place them within the metaphysics on his larger patients, but he objected that he would need to make a larger incision to accommodate this placement.The case was continued with manual procedure (finished the tibia using the jig without cori navigation) without delays or additional complications.
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Section h10: the real intelligence checkpoint pins qty:4 used for treatment were not made available to the designated complaint unit for evaluation; thus, a visual and functional evaluation could not be performed, and a relationship between the reported event and the device could not be determined.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 found 1 similar event.Although the reported problem was not confirmed, a factor that may have contributed to the reported symptom may have been associated with tracker array movement.A historical escalation event review was not completed.The product was not returned and no evidence was made available to link the complaint to an escalation event.The user manual provides guidelines for recovering to a fully manual procedure in the "recovery procedure guidelines".The failure mode and associated risk have been anticipated within the risk file and the documented risk level is still adequate.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 or provided at a future date, this evaluation will be reopened for investigation.Internal complaint reference number: (b)(4).
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