stainless steel greenfield vena cava filter with 24f introducer system

The stainless steel Greenfield vena cava filter is a medical device designed to prevent pulmonary embolism by capturing emboli in the inferior vena cava. It is intended for patients who cannot undergo anticoagulation therapy.

This device is commonly used in patients with deep vein thrombosis who are at risk of pulmonary embolism and have contraindications to anticoagulation. It is also used in scenarios where anticoagulation is ineffective or not tolerated.

The available literature includes 10 studies, ranging from 1997 to 2020, encompassing various study types such as RCTs and retrospective analyses. These studies evaluate the filter's hemodynamics, placement outcomes, and complications.

Published studies report that the Greenfield vena cava filter effectively captures emboli, reducing the risk of pulmonary embolism. The filter's design has been analyzed for its hemodynamic properties and embolus capture efficiency. Clinical outcomes for suprarenal placements have also been documented.

Reported complications include filter tilt, asymmetry, and insertion issues. Studies have also evaluated the effects of gravitational forces on the filter, noting potential risks associated with acceleration stress.

The evidence is limited by the variability in study designs and the lack of large-scale randomized controlled trials. Further research is needed to explore long-term outcomes and compare the efficacy of different filter designs.