User facility medwatch (mw5101423) received states that on (b)(6) 2021, a patient underwent a implant procedure of a 23 mm sjm regent mechanical heart valve.During procedure, while the user was rotating the valve, the frame cracked causing a leaflet to break requiring the leaflet to be removed.An intraoperative exchange was required and a new, non-abbott device was chosen for implant.The procedure was prolonged due to the event.The patient remained stable throughout the procedure and has been discharged.Nor additional information has been provided.
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