(b)(4).Device evaluation: the ziv6-35-125-6.0-120-ptx device of lot number c777743 involved in this complaint was implanted in the patient, and was not available for evaluation.With the information provided, a document based investigation was conducted.Document review: prior to distribution ziv6-35-125-6.0-120-ptx devices are subjected to a visual inspection and functional checks to ensure device integrity.These inspections and functional checks are outlined in internal procedures in place at (b)(4).A review of the manufacturing records for ziv6-35-125-6.0-120-ptx of lot number c777743 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 c777743.There is no evidence to suggest that the customer did not follow the instructions for use.However, it should be noted that stent strut fracture is listed as a known potential adverse event within the ifu.The (b)(6) packaging insert c-ci1202y06 supplied with the device complies with (b)(6) which avoids including information that is not specific to the medical device or that which is basic knowledge already understood by the healthcare professional, to ensure to accurately convey all the information that is important for the user.Root cause review: a definitive root cause could not be determined from the available information.A possible root cause could be attributed to the patient¿s pre-existing conditions.From the information provided it is known that the patient had a medical history of carotid disease, hypertension, type ii diabetes, hypercholesterolemia, renal failure and pulmonary disease.According to medical advisor input it is possible that the patient¿s pre-existing conditions contributed to this event.Summary: the complaint is confirmed based on customer testimony.According to the initial reporter, 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.
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