On (b)(6) 2015, the (b)(6) male patient underwent a mitral valve replacement with the implant of this 25 mm sjm standard mechanical valve.Since implant, the patient has been hospitalized twice with impeded leaflet function.During the first episode, the patient responded well to thrombolysis; during the second episode, one leaflet remained impeded.A redo mitral valve replacement is required.
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(b)(4).The results of the investigation are inconclusive since the device was not returned for analysis as it remains implanted.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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