(b)(4).No returned product evaluation could be completed as no product returned for this complaint.A picture was provided by the customer.The hub and sheath were observed to be separated.As per the information provided by the customer, 4.5 cm of sheath was left in the tissue.A dhr review was completed for 73k2301084, and no issues or non-conformities were noted.As per the additional information received, the right femoral artery was very calcified.The patient had bka (below knee amputation) and difficult groin access.During access with a 18g needle, the needle was observed to be bent.No pictures of the needle were provided by the customer.Physician tried the micro introducer kit (mik).The mik broke at the hub and middle due to resistance on pullback.Patient condition was fine despite the sheath present in the tissue.The broken sheath could not be retrieved.Physician decided to leave it in the tissue.Da mages were likely to have occurred during use when operated against a calcified difficult vessel.The ifu states the following warning: never advance or withdraw an intravascular device against resistance until the cause of the resistance is determined by fluoroscopy.Movement of the guidewire against resistance may result in separation of the guidewire tip, damage to the guidewire, or vessel perforation.Based on the information, the most likely root cause of the issue is operational context and/or unintended use error.The der process will continue to monitor for any similar events.
|