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The line experienced a partial separation at the connection of the tubing to the end of the hub.The line was being used for total parenteral nutrition (tpn).The device has been received for evaluation.Additional common name: foz ¿ catheter, intravascular, therapeutic, short-term less than 30 days.Additional product code: foz.510(k): k100974.Investigation - evaluation: a review of the dimensional verification, quality control data, complaint history, device history record, instructions for use (ifu), and visual inspection / functional testing of the returned device was conducted during the investigation.The device was returned in used condition.The extension tube was noted to be split right underneath the distal part of the orange hub.A leak test showed leakage at the split.The outer diameter of the extension tube was within specification.There is no evidence to suggest the finished product was not made to specifications.Review of the device history record of the finished product shows no nonconforming events that would contribute to the reported failure mode.There was one other reported complaint for this failure mode on this lot number.Based on the provided information, inspection of returned product, and results of the investigation; a definitive root cause cannot be determined.Measures have been conducted to address this failure mode.Monitoring will continue to be performed for similar complaints.
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