The device, used in treatment, was returned for evaluation.The visual evaluation found the piston assembly was in a middle position within the chamfer.Two of the piston body graspers were not flush against the chamfer wall and protruding inward within the chamfer.The functional evaluation found the two protruding and unseated piston graspers were preventing the cartridge from being inserted, establishing a relationship between the device and the reported event.The root cause was identified as an assembly problem.A review of the manufacturing records found that there was no evidence that the product didn¿t meet specifications at the time of manufacture.A complaint history review found other related events.This investigation is now complete with no further action deemed necessary.Smith + nephew will continue to monitor for any adverse trends relating to this product range.
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