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The Closure System consists of a radiofrequency generator and disposable catheter which are used to treat superficial venous reflux, the underlying cause of painful varicose veins and leg fatigue and swelling. This minimally invasive alternative has been shown in multiple randomized trials to offer advantages over traditional vein stripping, and has significant benefits versus other endovenous alternatives to traditional surgery. The VNUS RF generator continuously monitors the treatment temperature at the vein wall and adjusts energy delivery automatically to provide a high level of effectiveness, excellent patient recovery, and durable clinical results.
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