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The following sections were updated in follow-up.The device used in treatment.One 14f 25 cm long abiomed introducer sheath was returned from the customer without the dilator.There were no other accessories.Blood was found on and inside the sheath and sideport tubing.Four kinks were observed on the sheath tube.Upon evaluation of the returned sheath under 10x magnification, there were four kinks observed in the sheath tube at 8cm, 10cm, 16cm and 17.5cm.The sheath distal tip along its circumference edges and the hemostatic valve looked normal with its helical cuts intact.According to the event description summary, when they tried to advance the impella cp, it would not advance through the sheath.When id of the sheath measured was within manufacturing specifications.The impella device used in the procedure was not returned to oscor so a fit check could be performed.Potential causes for the damage (deformation/kinks) on the sheath tube could be due to the forceful or improper insertion/orientation of an auxiliary device.This might have subjected the sheath to stress/resistance during the procedure.No manufacturing defects were found.The device history records were reviewed to confirm that the device passed all applicable in-process and final inspections.Per procedure, abiomed introducer sheath in-process and final inspections: measure dimensions: measure tip i.D.Of sheath using appropriate pin gauges.Visual inspection: this step is performed by qa for sample size of 100% inspection.With naked eye at a distance of 12" to 18", verify the assembled sheath matches the drawing.Ensure parts are free of kinks, cracks, splits, sinks, excessive flash, loose/embedded fm, or any other damages.Per instructions for use, never advance or withdraw guidewire or sheath when resistance is met.Determine cause by fluoroscopy and take remedial action.When injecting or aspirating through the sheath, use the sideport only.Based on the investigation, a capa is not required as findings did not identify a design, labeling or manufacturing non-conformity.The event will be re-evaluated if additional information becomes available.Oscor will continue to monitor this event type and risk.Oscor inc.Is submitting the above report to comply with 21 cfr part 803, the medical device reporting regulation.The report is based upon information obtained by oscor inc.Which the company may not have been able to investigate or verify prior to the date the report was required by fda.This report does not constitute an admission that the device, oscor inc., or its employees, caused or contributed to the event described in this report.Nor does this report reflect a conclusion by fda, oscor inc., or its employees, that the report constitutes an admission that the device, oscor inc., or its employees caused or contributed to the event described in this report.
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