On (b)(6) 2017, two gore® propaten® vascular grafts were implanted in an axillo-bifemoral procedure.On (b)(6) 2017, a reintervention procedure was performed due to femoro-femoral graft thrombosis.It was reported the physician was using a micropuncture needle for access, and the vascular graft tore apart.A section of the vascular graft was explanted and an interposition graft was placed.A section of the explanted vascular graft was sent to hospital lab for testing due to suspected infection.As reported, the test results were not available as the graft specimen was misplaced by user facility.A small section of the explanted vascular graft was returned to gore for evaluation.
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Review of device sterilization record history confirmed device met pre-release specifications.The explant evaluation state that gross and stereoscopic examination of the returned device fragment revealed no unusual characteristics outside those associated with the manipulation of the material with surgical instruments.All examined tissue specimens were consistent with scant deposition of unorganized fibrin admixed with variable amounts of erythrocytes, degenerate leukocytes, and nuclear debris.Calcification and infectious agents were not observed.
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