MSD Manual

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Inferior Vena Cava Filter
Inferior Vena Cava Filter

    To prevent a blood clot from traveling to the heart, doctors may place a filter (formerly called an umbrella) in the inferior vena cava to trap blood clots. The inferior vena cava is a large vein that returns blood to the heart from the lower part of the body.

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Deep Vein Thrombosis (DVT)