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We have now concluded our investigation for the complaint received.The device, used in treatment, has not been returned for evaluation.We have not been able to establish a relationship between the device and the reported event or determine a root cause on this occasion.Low adhesion may be caused by adhesion levels of the raw material used to make the film of this dressing.There are various controls in place during the manufacturing process of both the raw material and the dressing to identify when the adhesion is not in acceptable range, as per the product specification.There are also regular tests carried out to monitor the finished product.As with all adhesive products, the skin site must be thoroughly cleaned and dried prior to application.If there is any moisture on the skin surrounding the catheter, the adhesive performance of this dressing may be compromised.If the dressing becomes wet whilst applied, it may have to be removed and a new dressing applied.A clinical investigation was carried out.It was concluded: ¿the single undated, unlabeled photo provided shows a finger under a loose dressing.However, without the return of the smith + nephew product for evaluation, the information provided is insufficient to determine whether the patient¿s signs, symptoms, or outcome are due to a pre-existing or concurrent medical or procedure, or to an experience with the allevyn gentle border sacrum dressing, one or more of its components, or its intended therapeutic action.Additionally, we are unable to determine if the instruction for use for the application of the allevyn were adhered to.Therefore, a thorough medical assessment cannot be rendered at this time.Should any additional medical information be provided this complaint will be re-assessed.¿ the instructions for use provide comprehensive instructions of the operation, use and limitations of the device.The manufacturing records show no evidence that the product did not meet specification at the point of release.The complaint history review found further instances of the reported event in the past years.No further actions are deemed necessary at this stage.However, we will continue to monitor for any adverse trends relating to this product range.Smith + nephew acknowledge customer concern and are continually investigating ways to develop and improve our products.
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The device was not used in treatment has been returned and evaluated, establishing a relationship with the reported event.Only the backing paper was returned.No dressing was returned.The visual inspection of the returned device confirms that there is silicone off-setting on the backing paper, which may cause the low adhesion experienced by the user.Root cause has been determined as a component failure, the wound contact layer within these dressing can be affected by storage temperature fluctuations as detailed in the ifu.A review of the associated batch manufacturing records did not identify any issue at the point of manufacture which may have caused or contributed to the issue highlighted by the complainant.In addition it can be confirmed that all finished product specification testing was satisfied at the point of release.A complaint history review revealed a small number of similar events for this nature with no manufacturing problems observed.A clinical/medical assessment was performed and it was determined no further actions are required.The associated risk files contain details relating to harm.However, the clinical review has not established a causal link.Additional risk management review is not required.The ifu has been reviewed and contains comprehensive instructions on the safe operation and use of the device, which provides details of the conditions in which the device should be stored.Corrective action has identified that no process concerns have been observed, the action is in place relating to the silicone adhesion to the carrier paper.This investigation is now complete with no further action deemed necessary at this stage.Smith and nephew will continue to monitor for any adverse trends relating to this product range.
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