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Investigation summary: no photos or samples were received by our quality team for evaluation therefore the failure mode could not be verified.A review of the internal manufacturing device records and raw material history files for the reported lot number was performed and no recorded quality problems or rejections to this incident were found.Based on the quality team's investigation, the root cause of this incident cannot be determined.Investigation conclusion: the investigation was not able to confirm what customer had experienced as no sample/picture was returned for investigation.End user risk assessment: as per risk assessment, (b)(4), severity of catheter defective / damaged is moderate (s3), produced quantity: (b)(4), occurrence is remote (o2).Root cause description: a review was performed for the last 12 months of quality notification.There was no quality notification was raised for the reported non ¿ conformance.No abnormality was observed during the manufacturing of the batch.If samples are received in the future the complaint will be re-opened and re-investigated.Rationale: the complaint will be monitored and tracked.
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