Radiofrequency Ablation 
or VNUS closure

This technique is also a minimally invasive procedure that involves inserting a thin catheter into the vein. 
The tip of the catheter delivers radiofrequency energy to the vein wall causing it to heat, collapse, and seal shut.
The thin catheter is referred to as a VNUS Closure device. 
This part of the procedure generally takes less than five minutes and is essentially painless. 
 
The success rate of closure of the treated vein is 97% at one year with this device.
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