The reported event of the leaflets fractured and dislodged during rotation was confirmed.One leaflet had dislodged and fractured into multiple pieces.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 artmt100122073 ver.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.".
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On (b)(6) 2019, a 21mm masters valve was selected for implant in the aortic position.During rotation, a leaflet of the valve fractured.All fragments were removed from the patient, and there was no extent to procedure time nor adverse consequences to the patient.Another 21mm masters valve (sn: (b)(4)) was implanted.The patient is reported to be stable.
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