Corrected from adverse event to adverse event and product problem.Additional information investigation - it has not been possible to further investigate or evaluate this alleged event based on the limited information provided to date via the operative note stating, "tulip, device is unable to be retrieved, bleeding." cook will reopen its investigation if further information is received warranting supplementation in accordance with 21 c.F.R.803.56.Unknown if the reported device is unable to be retrieved and bleeding is directly related to the filter and unable to identify a corresponding failure mode at this point in time.Filter retrieval is occasionally difficult.This is well-known from published scientific literature where filter retrievals are referred to as simple vs.Complex.Several case reports published in scientific literature describe complex cases with successful endovascular filter retrievals using additional, advanced techniques.No evidence to suggest that this device was not manufactured according to specifications and nothing indicates that the filter did not perform as intended, e.G.Intended for the prevention of recurrent pulmonary embolism (pe) via placement in the vena cava.
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