(b)(4).Device evaluated by manufacturer - unit returned in a generic plastic bag.Visual inspection revealed the device has a slight kink at 14mm from the tip while in the neutral position (between ring 1 and 2).In addition, the device has broken adhesive on ring #2 and fluids under it.Finally, the distal end is kinked at 3cm from the tip.X ray analysis revealed that the center support is broken.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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