(b)(4).The results of the investigation are inconclusive since the device was not returned for analysis.Our investigation was limited to the review of the device history record, which showed that each manufacturing and inspection operation was performed and indicated complete in accordance with sjm specifications and procedures.Based on the information received, the cause of the reported incident could not be conclusively determined.
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On (b)(6) 2005, an aortic valve replacement procedure was performed and this 21 mm sjm master's series standard aortic valve was implanted.On (b)(6) 2016, a redo aortic valve replacement was performed due to thrombosis of the valve.While explanting this valve, it fractured into multiple pieces and per report, it is unknown if all the fractured pieces were recovered from the patient.A 19 mm edwards magna ease valve was implanted.On (b)(6) 2016, redo coronary artery bypass x1 was performed.Postoperatively, the patient had acute respiratory failure and pulmonary edema and died on (b)(6) 2016.
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