The aim is to evaluate efficacy of the method of cold-plasma ablation when performing endonasal of dacryocystorhinostomy. Patients and Methods. With the use of the equipment Coblator II were 31 unilateral dacryocystorhinostomy patients with obstruction of the lacrimal ducts at the level of the lacrimal-nasal duct. https://www.deliandiver.com/product-category/descaler/