The complaint stent, bib and ring mandril were returned in separate (b)(6) bags.All of the returned components are clean and free of blood.The covering is detached and was not returned.The adhesive spots are visible on the stent.The stent has been slightly flattened.The catheter was returned with (2) 0.015 mandrils in the guidewire lumen.There is no blood on the catheter and no contrast in the balloon.The balloon has very well defined folds.The condition of the stent and the bib leads us to believe that they never entered he introducer.The stent and catheter are both completely free of blood and the balloon still has well defined folds that would not be present if the "poba" had occurred.At this time it is impossible to determine the actual nature of the complaint, which makes it impossible to determine the root cause.(b)(4).
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