The inferior vena cava (ivc) filter device was not able to release from delivery system by operator: lidocaine 1% was infused for local anesthesia.Right internal jugular vein was patent by real-time sonography.Micropuncture technique was used to access the right internal jugular vein.The celect sheath was advanced into the right common iliac vein, and ivc gram was performed, revealing no evidence for thrombus in the imaged ivc.Under fluoroscopic guidance, the filter was deployed.Initially, there was difficulty deploying the filter: after the safety button was pressed, the second deployment mechanism did not work initially.We attempted to re-sheath the filter, but this was also not successful.Eventually, the mechanism did detach, and the filter was deployed in the infra-renal location, in the exact location that we intended to deploy the filter.Afterwards, we did not obtain an ivc gram, as the sheath was not functional.
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