FIELD: medicine, laser surgery. SUBSTANCE: under constant instrumental control one should direct the source of thermal impact towards external surface of perforating vein. Then it is necessary to narrow down the lumen of perforating vein for 1/2-1/3. Thermal impact upon vessel is carried out due to laser radiation, moreover, time for impact corresponds to 2-15 sec. EFFECT: more simplified and efficient obliteration of veins. 2 ex
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