FIELD: medicine.
SUBSTANCE: invention relates to ophthalmology and can be used for surgical treatment of dacryocystitis and accompanying it nasolacrimal canal obstruction. All tissue cuts are carried out using radio-wave energy with power 3-4 by device scale. Cuts of skin at inner eye angle, underlying soft tissues, tear-bag wall and nasal mucosa are made, with further formation of fistula between tear-bag and nasal cavity. Method ensures simultaneous with cut hemostasis and performing operation in "dry" field, fast healing, minimal necrosis and edema of tissues, reduction of pain reaction.
EFFECT: maximally bloodless, slightly traumatic tissue cuts, which do not result in growth of granulations and crude scarring.
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