Summary of investigation: there are no previous complaints of this code-batch.We have received two different cases of the same code-batch, from the same customer, at the same time and regarding the same issue.We manufactured and distributed in the market (b)(4) units of this code-batch.There are no units in our stock.We have not received any sample for analysis, only a picture showing an open and used sample with insulation of the wire damaged.However, without any closed sample we cannot carry out an analysis in order to take a decision.As stated in the precautions of the instructions for use of the product: it is necessary to inspect the steelex® electrode set prior to use and after implantation for any visible damage of the insulation.Care shall be taken to ensure that steelex® electrode set insulation is not damaged or impaired.When working with steelex® electrode set, great care shall be taken to avoid any crushing or crimping damage of the wire by instruments such as forceps or needle holders to not damage the insulation of the wire.Batch manufacturing record: reviewed the batch manufacturing record, this product had a normal process and the results during the process fulfill usp/ep and b.Braun surgical requirements.Conclusion root cause analysis: it has not been possible to determine the root cause as no closed samples have been received, only a picture showing the used sample.Final conclusion: in spite of receiving a picture showing a defective sample, without closed samples a suitable analysis cannot be performed, and the case is considered not confirmed.Nevertheless, we take note of this incidence and if any closed sample is received in the future, we will re-open the case and analyse it.Corrective measures: actions on product distributed of this reference/batch: based on the conclusion derived from investigation, it is not required to make actions in distributed product.Corrective/preventive actions: according to our internal procedures, there is no need to establish corrective or preventive actions.Nevertheless, this complaint is recorded for trending analysis to assess if actions are needed in the future.
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