METHOD FOR POSTERIOR ETHMOIDOTOMY BY TISSUE DISSECTION WITH GAUZE WICK DRAIN Russian patent published in 2024 - IPC A61B17/24 A61B17/16 A61K31/137 A61K33/14 A61P11/00 

FIELD: medicine.

SUBSTANCE: invention refers to medicine, namely to otorhinolaryngology. Vertical plate of the middle nasal concha is perforated at a junction point of the vertical and horizontal segments of the basal plate of the middle nasal concha. Incision is continued upwards by 5 mm. A drug-impregnated gauze wick drain is introduced into the prepared incision. Gauze wick drain is laterally forced and inserted into the cavity of the posterior cells of the ethmoidal labyrinth. Further, the bone wall of the vertical segment of the basal plate of the middle nasal concha is removed, simultaneously opening the posterior cells of the ethmoidal labyrinth.

EFFECT: method enables safe opening of posterior cells of the ethmoidal labyrinth in endoscopic operations on paranasal sinuses, minimizing the risk of intraoperative iatrogenic complications.

3 cl, 1 dwg, 2 ex