FIELD: medicine.
SUBSTANCE: nasolachrymal canal is intubated with a perforated silicone tube with a hole diameter 23G; the holes are staggered at 3 or 4 mm from each other. A distal end of the tube is blocked, whereas a proximal one is fixed in a projection of semilunar fold. A medicinal gel is introduced into a tube lumen every 7 days during the whole period of intubation - up to 3 months.
EFFECT: method provides the prolonged dilation of the lumen of the lachrymal passages and a possibility of the dosed administration of a medicinal preparation around a silicone frame for a long period of time and the recovery of the lachrymal passages patency, and the prevention of recurrent stricture formation, and the lower injury rate.
2 ex
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