Transvenous Interruption of the Inferior Vena Cava. New Model of Vena Cava Filter. Preliminary Results in 143 Cases

A new device for transvenous interruption of the inferior vena cava is described. Based upon the Greenfield filter, upward- and downward-facing hooks prevent movement of the filter within the vein. Results of the use of the device in 143 patients after 3 months are presented and compared to other filters.