(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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The 22 mm amplatzer septal occluder (aso) was sized and deployed meeting all of the criteria contained within the ifu.Stability test and bubble study were performed and validated by echocardiography.Once released, the aso appeared to be stable and one last fluoro image was taken which showed that the aso had migrated to the left atrium.An attempt was made to snare the aso with a gooseneck snare; however, the aso migrated to the left ventricle.The patient was admitted for surgery.The aso was retrieved surgically and discarded.The patient's defect was surgically closed and per report the patient is stable and will be discharged as per hospital protocol.
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