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Information received by the site indicated that during the retrieval of the separated tip, the patient was conscious and experienced "unimaginable uncomfort".Due to the high risk of the retrieval procedure, a cardiovascular physician was present; however, the treating physician refused assistance and retrieved the tip on his own.(b)(4).Investigation - evaluation: a review of the complaint history, device history record, documentation, instructions for use (ifu), manufacturing instructions, specifications, trends, and quality control of the device was conducted during the investigation.The complaint device was not returned therefore, no physical examinations could be performed; however, a document based investigation evaluation was performed.There is no evidence to suggest the product was not made to specifications.Review of device history record noted two non-conformances; one for "damaged" and fifteen for "tip/taper, inadequate, incomplete or missing".It should be noted there were no other reported complaints for this lot number.The device is shipped with an instruction for use (ifu) that describes the intended use specific items are addressed are precautions: "due to thin wall construction, extreme care must be exercised during manipulation and withdrawal.Catheter insertion through a synthetic vascular graft should be avoided whenever possible." / "the possible whiplash effect of the long, soft catheter tip must be considered during selective angiography." based on the information provided, no product returned and the results of the investigation, the most likely root cause of the reported event was determined to be manufacturing related.Measures are currently being conducted to address this failure mode.We will continue to monitor for similar complaints.
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