It was reported that the hydrosite usugata 10 x 10cm ctn 5 had foreign substance.The treatment was completed, without delay, using a s+n back up device.Patient was not harmed as consequence of this problem.The device was used for treatment and was returned for analysis.The sample had an unknown contaminant embedded within the foam layer.We have been able to confirm a relationship between the event and the device.The batch records were 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 revealed no similar instances in the last three years.A risk management review concluded that without further information the alleged failure mode and any associated harm can not be directly linked to a specific failure mode within the risk file although it does contain several failure modes that can result in contamination.No updates to the risk files is required.The root cause was contamination in the foam layer of the device, which was supplied by an external supplier.This has therefore been escalated to the supplier to carry out further investigation into the cause of the contamination.This investigation is now complete, with escalation actions in place.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.Smith and nephew acknowledge customer concern and are continually investigating ways to develop and improve our products.
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