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Superficial vein therapies

Help your patients find relief from chronic venous insufficiency.
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Chronic venous insufficiency

Venous reflux is a progressive condition that, left untreated, can lead to chronic venous insufficiency (CVI).

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VenaSeal™ closure system

Reach new lengths. Treat more diseased vein — maximize your impact. The VenaSeal closure system delivers immediate and lasting vein closure with its proprietary medical adhesive formula, with a demonstrated 94.6% closure rate at 5 years.1-5

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ClosureFast™ procedure

The ClosureFast procedure, with its patented overlap design, is the only RFA procedure with published clinical data demonstrating long-term safety and efficacy, with a 91.9% closure rate at 5 years.4,5

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Clinical evidence

See clinical evidence for our superficial vein therapy products.

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Resources and support

Find product, condition, and patient education materials.

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Explore products

Learn more about our superficial vein products.

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ClosureFast radiofrequency ablation system on white background



Morrison N, Gibson K, McEnroe S, et al. Randomized trial comparing cyanoacrylate embolization and radiofrequency ablation for incompetent great saphenous veins (VeClose). J Vasc Surg. April 2015;61(4):985-994.


Proebstle T, Alm J, Dimitri S, et al. Three-year follow-up results of the prospective European Multicenter Cohort Study on Cyanoacrylate Embolization for treatment of refluxing great saphenous veins. J Vasc Surg Venous Lymphat Disord. March 2021;9(2):329-334.


Gibson K, Ferris B. Cyanoacrylate closure of incompetent great, small and accessory saphenous veins without the use of post-procedure compression: Initial outcomes of a post-market evaluation of the VenaSeal System (the WAVES Study). Vascular. April 2017;25(2):149-156.


Almeida JI, Javier JJ, Mackay EG, Bautista C, Cher DJ, Proebstle TM. Thirty-sixth month follow-up of first-in-human use of cyanoacrylate adhesive for treatment of saphenous vein incompetence. J Vasc Surg Venous Lymphat Disord. September 2017;5(5):658-666.


Morrison N, Gibson K, Vasquez M, Weiss R, Jones A. Five-year extension study of patients from a randomized clinical trial (VeClose) comparing cyanoacrylate closure versus radiofrequency ablation for the treatment of incompetent great saphenous veins. J Vasc Surg Venous Lymphat Disord. November 2020;8(6):978-989.