Bard denali ivc filter placed uneventfully in (b)(6) 2022.Retrieved via percutaneous access (b)(6) 2022.After retrieval of the filter, it was apparent that there was additional metal remaining in the vena cava.It was mobile, migrating to the junction of the superior vena cava and right atrium before eventual snare retrieval.On examination, this metallic piece did not appear to be part of the ivc filter; i believe it may have been part of the delivery system (which is designed to place the filter but not remain in the patient; the design of this should have made it very securely fixed to the rest of the delivery system to eliminate the possibility of it being retained in the patient, as in this case).No adverse patient impact.Fda safety report id# (b)(4).
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