Resolute onyx stent inserted through guide liner into right coronary.Unable to pass lesion.Stent system removed.Upon exiting the guide liner when removing stent, cvt noticed stent was missing off the balloon.Entire system was removed and onyx stent found lodged in guide liner.Stent and stent system retained.New guide catheter was inserted.Orsiro stent inserted through guide into right coronary.Unable to pass lesion.Stent delivery system was removed.Upon exiting the guide catheter, cvt reported orsiro stent was not on the balloon.Entire system was removed and inspected.Surgical table and pt table inspected by two staff members.Stent not found.Pt x-rayed and stent not found.Procedure continued for treatment.Pt transferred to ct after procedure.All items retained with chain of command.Fda safety report id# (b)(4).
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