(b)(4).Visual examination of the returned device revealed that there was a guidewire stuck and peeled inside.In addition, the tip and the working length had split/torn and the anchor was dislodged.It was found during the investigation of the returned device that the wire anchor was dislodged.It is most likely a failure cause during the preparation or procedure because of the manipulation or interaction with other devices.Therefore, the most probable cause of this failure is adverse event related to procedure, since it is the most likely that the adverse event occurred during the procedure and the device had no influence on event.A review of the device history record (dhr) was performed and confirmed that this device met all material, assembly and performance specifications at the time of release to distribution.
|