As reported, during implantation of a 55cm optease inferior vena cava (ivc) filter implantation, in the process of pushing in the release sheath, the anti-migration barb punctured the release sheath, and the filter could not be used normally.The operator then withdrew the release sheath with the filter and replaced it with a new optease filter to complete the release.The patient was not harmed during the procedure.There was no reported patient injury.The filter was indicated for deep vein thrombosis (dvt) of the lower limbs.The size of the vena cava was measured at about 20 mm in diameter; the shape was normal without obvious tortuosity; mild vessel calcification and no acute bends.The product was stored, handled, and prepped according to the instructions for use (ifu).The device was checked prior to use and there were no anomalies noted.There were no visible signs of packaging damage prior to use and no unusual force was used at any time during the procedure.The catheter did not kink or bend at any time prior to the resistance friction.There was no difficulty or resistance friction while advancing the deployment sheath.The catheter sheath introducer (csi) included in the kit was used for the procedure.The device was returned for evaluation.
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