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Investigation - evaluation: a review of the complaint history, device history record, documentation, specifications, quality control, and a visual inspection of the returned device were conducted during the investigation.One advance 35lp low profile balloon catheter (pta5-35-135-4-12.0) was returned for evaluation.The spiral holder or outer packaging were not present.The catheter is separated at 121.4cm from the proximal end.The distal section is 13.6cm in length.The separation is 6mm proximal to the proximal balloon bond.Numerous design verification and validation activities have been performed to ensure that this device meets design requirements.Additionally, a document based investigation evaluation was performed.There is no evidence to suggest the product was not made to specifications.A review of the device history record showed no nonconforming events which could contribute to this failure mode.It should be noted there were no other reported complaints for this lot number.Based on the information provided, the examination of the returned product, and the results of our investigation, a definitive root cause could not be determined.We will continue to monitor for similar complaints.Per the quality engineering risk assessment no further action is required.
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