On (b)(6) 2021 a tack system was used in in a retrograde fashion, three tacks were deployed, using proper spacing.The operator then wanted to take a final angio and advanced a crossing catheter past the first tack, but not the second one.The catheter snagged a strut, dislodging it into a larger portion of the vessel.The tack seemed well apposed, nothing adverse happened, so the decision was made to bring the patient back and do another angio/ivus.Upon return (09/23/2021) the ivus showed the tack was not fully apposed and needed to have a stent placed inside to allow for a full deployment.Pta was performed and then a supera was placed, when the supera was deployed ita snagged the tack and resulted in it being stretch and turned sideways in the vessel.Another supera was then used in an attempt to jail it again, this time successful.Patient reported as stable following stent bailout with no reported adverse events.
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