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Over the last two decades, the treatment of varicose veins has undergone a paradigm shift from conventional surgical treatment to endovenous catheter treatment. This has resulted in significantly greater patient comfort and, in many cases, compression therapy is no longer necessary in the long term.

The ClosureFast procedure or radiofrequency ablation (RFA) is a minimally invasive technique for the treatment of varicose veins that is often and increasingly used as an alternative to conventional surgical removal of varicose veins (stripping). In the ClosureFast procedure, a special probe is inserted into