Learn about Closure of Varicose Veins

This animation demonstrates the new Closure Procedure as way of treating varicose veins. Using ultrasound, surgeons position a catheter into the diseased vein through a small opening in the skin. This tiny catheter delivers radiofrequency (RF) energy to the vein wall. As the catheter is removed, the vein wall heats up, causing the collagen in the wall to shrink and the vein to close. Once the diseased vein is closed, blood is re-routed to other healthy veins.
Your lifestyle, particularly physical activity, can affect your odds of developing varicose veins as well. People whose careers require them to stand in place for long periods of time – nurses, teachers, waitresses, flight attendants and other service personnel, for example – have a higher-than-average risk of venous disease. So do people who do a good deal of heavy lifting.

The VNUS Closure procedure is a minimally invasive treatment alternative with less pain and less bruising when compared to traditional vein stripping surgery and laser treatment. Using the Closure system, physicians close the diseased veins by inserting the Closure catheter into a vein and heating the vein wall using temperature-controlled RF energy. Heating the vein wall causes collagen in the wall to shrink and the vein to close. After the vein is sealed shut, blood then naturally reroutes to healthy veins. Venous reflux or venous insufficiency develops when the valves that usually keep blood flowing out of your legs become damaged or diseased.

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