Device evaluated by mfr: returned product consisted of an omega sds with stent.There was contrast in the inflation lumen and blood in the hub.Although it was reported that the device was not used, the presence of blood in the hub and contrast media in the inflation lumen is indicative of handling beyond simply unpacking the device, as was reported.The distal tip was damaged.Microscopic examination revealed that the stent was secure on the balloon between the markerbands.There was no damage or irregularities to the stent.The ends of the stent were partially deployed.Inspection of the remainder of the device, apart from the observed damage, revealed no other damage or irregularities.The manufacturing batch record review confirmed that the device met all material, assembly and performance specifications.The most probable root cause is operational context as device performance was limited due to anatomical procedural factors.(b)(4).
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