According to the implant registration cards (irc) from mayo clinic's monthly reported list, a patient was implanted with an ascending aortic prosthesis (onxaap-23, sn (b)(4)) on (b)(6) 2016 and died of unknown causes on (b)(6) 2016.Multiple attempts to obtain additional information were made without success.Phone calls placed on (b)(6) 2016 to hospital staff indicated that a written request for information would have to be made via fax to obtain patient information.The fax request was sent same day.A follow-up phone to the hospital on (b)(6) 2016 indicated that the request would be with the medical examiner and no additional information was available.A response back from the medical examiner was not received.If additional information becomes available, it will be evaluated and the complaint will be re-opened.The manufacturing records for the onxaap-23, sn (b)(4), were reviewed and it was confirmed that all records were controlled, available for review, and met all specifications per the device master record.All lots passed functional testing and met release specifications.During the investigation no non-conformances or deviations were noted.According to the limited available information, the onxaap-23, sn (b)(4), was implanted on (b)(6) 2016 and the patient died (b)(6) 2016 (2 days postop).The death was noted on the irc and no other information was provided.Therefore, there is inadequate information available to ascertain what relationship, if any, the valve had to the death of the patient.The root cause is unknown.
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