A precise stent delivery system (sds) was delivered to an unknown lesion and when the physician tried to deploy the stent, it was confirmed that the stent was not deployed although the system was withdrawn completely.After the procedure, the precise was separated when it was checked by the physician.Another new precise of different size was use to complete the procedure successfully.There was no reported patient injury.The product will be returned for analysis.The product was stored and handled according to the ifu.The product was inspected and prepped according to the instructions for use.There was nothing unusual noted about the stent delivery system prior to use.The sds was delivered to the lesion with a 6f guiding catheter.The following information is unknown: the intended procedure, the brand of the guiding catheter used, the vessel /lesion characteristics, if the stent delivery system passed through any acute bends, if the delivery of the sds to the lesion was ipsilateral or contralateral, if there was any difficulty encountered while advancing/tracking the sds towards the lesion, if there was any unusual force used at any time during the procedure, if there was any difficulty or resistance noted while crossing the lesion with the stent, if the sds have to pass through a previously placed stent, if the user maintained a fixed inner shaft position during deployment, if there was any unusual force applied during deployment of the stent or if the stent pre-maturely deployed.
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