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Pma/510(k): preamendment.Investigation summary: a review of the complaint history, device history record, instructions for use(ifu), specifications, and visual inspection of the returned device were conducted during the investigation.One used device and one set was returned for investigation.The three-way stopcock that was in question was not returned for investigation.Used device- the returned catheter length measured 2 cm.A leak test was conducted on the catheter using a hemostat and a one-way stopcock.No leaks were noted.The returned connecting tube was also checked and no leaks were noted.Unused device-the unused catheter length measured 5 cm.A leak test was conducted on the catheter using a hemostat and a one-way stopcock.No leaks were noted.The returned connecting tube was also checked and no leaks were noted.Since the three-way stopcock that the customer had questioned was not returned, an investigation to determine the effects of the use of the three-way stopcock could not be evaluated.Additionally, a document based investigation evaluation was performed.There was no evidence to suggest the product was not made to specifications.A review of the device history record found no other non-conformances associated with the complaint device lot number.It should be noted there were no other reported complaints for this lot number.Since the three-way stopcock that the customer had questioned was not returned, an investigation to determine the effects of the use of the three-way stopcock could not be evaluated.Based on the investigation evaluation, there is no indication that a design or process related failure mode contributed to this event.Current controls for manufacturing are in place to assure functionality; device integrity prior to shipping.Review of production and quality documentation did not observe any specific issues with current manufacturing or quality controls that may have contributed to this incident.Based on the information provided, the examination of the returned product, and the results of our investigation, a definitive root cause cannot be determined.The quality engineering risk assessment for this failure mode was reviewed and it was determined that no additional risk mitigating activity is required at this time.The appropriate personnel will be notified and we will continue to monitor for similar complaints.
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