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Investigation ¿ evaluation: a review of the complaint history, device history record, documentation, drawing, instructions for use (ifu), manufacturing instructions, specifications, quality control data, and a visual inspection was conducted during the investigation.A document-based investigation evaluation did not observe any specific issues with current manufacturing or quality controls that may have contributed to this incident.Visual inspection of the returned device was performed.The wire tip coil was discovered to be separated, partially unraveled, and lodged inside the catheter lumen where the catheter was damaged.The catheter length was short due to modification by end user.Visual inspections could not confirm the presence of a split in the distal tip of the catheter; however, a perforation (which may be described as a split) was observed where the separated wire was lodged in the lumen.A review of the device history record revealed one nonconformance was recorded for the complaint lot number.The nonconformance was recorded for "broken wire" and was discarded prior to further processing.Since the upicds-5.0-ct-otw-1111 is supplied with component parts, the device history records the complaint component (thtf-18sp-150-aust-st) were reviewed.The noted nonconformance were not related to the current device issue.A complaint history search revealed one more complaint (b)(4) associated with the complaint lot number, however (b)(4) was not related to current device issue.Based on the provided information and device evaluation the root cause is determined to be product use or handling related.The risk analysis for this failure mode was reviewed, and it was determined that no additional risk mitigation activity is required at this time.The appropriate personnel have been notified and we will continue to monitor for similar complaints.
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