Manufacturers ref# (b)(4).Summary of investigational findings: two filters were very difficult to release ¿ logged under (b)(4) (report reference# 3002808486-2020-00762) and (b)(4).Finally, the filter released with no reported harm to the patient.Only one jugular introducer inside an introducer sheath was returned (unknown from which procedure) and kinks were noted next to the hub as well as 108mm from the distal tip.No non-conformances were noted on the distal sheath tip.After removal from the introducer sheath kinks were noted on the protection sheath 100mm and 114mm from the distal tip and another squeezed/accordioned area was noted 656mm from same.The red safety button was pressed down, ie the system was unlocked, but when pressing the blue release button, it did not spring back to starting position and the grasping hook did not move inside.After cutting open the protection sheath no non-conformances were noted inside the handle or in the safety button, but the jugular introducer inside had fractured.Based on the limited information provided the exact reason for the fracture cannot be determined and a detailed analysis by scanning electron microscope revealed no sign of inclusion.However, where fractured the introducer was bent perpendicular to the length and cracks were noted near the fracture, thus suggesting that external forces caused it.No evidence to suggest product was not manufactured according to specifications.Cook medical will continue to monitor for similar events.This report is required by the fda under 21cfr part 803.This report is based on unconfirmed information submitted by others.Neither the submission of this report nor any statement made in it is intended to be an admission that any cook device is defective or malfunctioned; that a death or serious injury occurred; or that any cook device caused or contributed to; or is likely to cause or contribute to a death or serious injury if a malfunction occurred.
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