Device evaluation: the 1 x zss-10-9-rb device of lot number cf1806939 involved in this complaint was not available for evaluation.With the information provided, a document-based investigation was conducted.Lab evaluation: the device lab evaluation could not be completed as the device, or photographic evidence of the device, was not returned for evaluation.Document review: prior to distribution all zss-10-9-rb devices are subjected to visual and functional checks to ensure device integrity.These inspections and functional checks are outlined in internal procedures in place in cirl.A review of the manufacturing records for zss-10-9-rb of lot number cf1806939 did not reveal any discrepancies that could have contributed to this complaint issue.The review of relevant manufacturing records confirms the failure mode has not previously occurred with the current lot number.Based on the information available to date, there is no evidence to suggest that there are any manufacturing issues associated with lot number cf1806939.The instructions for use, ifu0100 which accompanies this device instructs the user to ¿visually inspect with particular attention to kinks, bends and breaks.If an abnormality is detected that would prohibit proper working condition, do not use.¿ there is no evidence to suggest the user did not follow the ifu.Root cause review: a definitive root cause could not be determined from the available information.A possible root cause could be attributed to excessive force being applied to advance the stent down the guiding catheter.Another possible root cause could be attributed to the user using a damaged wire guide, as from the information sought it was noted that the wire guide was not inspected prior to use.Summary: complaint is confirmed based on the customers testimony.According to the information reported, the patient did not experience any adverse effects due to this occurrence.Complaints of this nature will continue to be monitored for potential emerging trends.
|