It was reported that during negative pressure wound therapy, small bruising/deep tissue injury occurred at the edge of the wound.It is unclear if this was caused by the dressing or by not complying with position changes.The wound was further reported to be non-serious and the patient recovered from the issue.The device was used for treatment and was not returned for analysis.We have not been able to confirm a relationship between the event and the device or identify a definitive root cause.The batch record was reviewed and it could be confirmed that the products had progressed through a satisfactory release process which involved testing the product against the requirements of the finished product specification.There was also no issue identified during the manufacturing process that could have caused or contributed to the complaint problem.A complaint history review on the product family revealed no similar instances in the last three years.A risk management review concluded that the sequence of events described in this complaint are not contained in the relevant risk files.There is insufficient information within the complaint description and further information included in this complaint to provide a causal link between events and the product therefore no update to the risk files is warranted.A clinical evaluation concluded that it cannot be definitively concluded that the root cause of the reported small bruising / deep tissue injury is the direct result of using the pico device as it was reported that the reported issue may have been a result of not complying with position changes.Probable root causes are incorrect application of dressings, infrequent dressing changes, or that the patient, who was being treated for a pressure ulcer did not comply with position changes.An ifu review concluded that comprehensive instructions are provided for the operation and use of the device, including advice on application and removal of dressings.The users of the reported product are advised to consult the ifu, to prevent future occurrences of the reported issue.This investigation is now complete, with no corrective actions required.No further actions by smith and nephew are deemed necessary at this stage.However, we will continue to monitor for any adverse trends relating to this product range.
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