H3, h6: the investigation into the reported event is now complete, the returned device has been evaluated, with no faults found the reported event cannot be confirmed.A visual inspection noted no obvious defects, the functional evaluation found no device faults, odor was present, although this is normal and deemed to be general wear from use.A documentation review, observed no historical, manufacturing or quality concerns.The reported event is adequately mitigated within the risk files, the (ifu), instruction for use provides adequate instruction on the safe use.The ifu states, monitor your dressing and device during operation.If there is increased bleeding, a change in fluid color or pain, contact your healthcare provider with no manufacturing problems observed, no corrective actions are deemed necessary.The probable root cause is no fault found, negative pressure wound therapy is not designed to detect the presence of blood.Smith and nephew can confirm the device was released according to specifications and continue to monitor for adverse trends relating to this product range.
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