The device history record review confirms that the device met all material, assembly and performance specifications.Visual inspection of the device revealed that the main coil had prematurely detached from the coil delivery wire.The main coil was noted to be kinked and stretched as well.Functional testing could not be performed due to the damaged condition of the returned coil.Based on the information currently available,it is likely that the main coil was damaged during use thus limiting the performance of the coil during the clinical procedure.Therefore, an assignable cause of operational context has been assigned to this investigation.
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