The reported event of a dislodged leaflet was confirmed.On leaflet was dislodged from the orifice and not returned with the valve.No other damage was noted.The device history record was reviewed to ensure that each manufacturing and inspection operation was performed and the product met all specifications at the time of commercialization.The cause of the leaflet dislodgment could not be conclusively determined.Please note, per the instructions for use artmt100045600 version a, "using the valve holder/rotator and an sjm valve holder handle, rotate the valve in situ to the desired position.The valve should rotate freely.If resistance is noted, the valve holder/ rotator may not be properly seated in the valve, the valve may not be in the fully closed position, or the valve may be oversized.If the valve does not rotate freely, do not force valve rotation.".
|
On (b)(6) 2019, a mechanical valve replacement procedure was performed and a 17mm masters valve (serial number (b)(4)) was explanted and exchanged for a 23mm masters valve.After the valve was placed, the user attempted to rotate the valve and after rotation, a leaflet was observed to be detached from the valve.The physician opened the atrium and the left ventricle and was unable to recover the leaflet.No evidence of the detached leaflet was observed on x-ray and the user reports that no damage was observed in the retention pivot area.The device was removed and exchanged for a 25mm masters valve (serial number: (b)(4)).No patient consequences were reported and the patient has been discharged.
|