HYDRODISSECTION METHOD OF OBTAINING DESCEMET'S MEMBRANE Russian patent published in 2022 - IPC A61F9/07 

Abstract RU 2768166 C1

FIELD: medicine.

SUBSTANCE: invention refers to medicine, namely to ophthalmology. Descemet’s membrane (DM) is separated from the sclera corneal graft by hydrodissection. First, a sector of the Schlemm's canal is removed, cone-shaped tunnel 3 mm high with an apex directed towards the center of the cornea is formed under the DM. An irrigation cannula is introduced into the formed tunnel, and the DM is separated from the underlying tissues using a pressurized fluid flow. A dye is introduced under the DM, a non-through trepanation of the corneoscleral flap is performed from the endothelium and placed in a liquid to separate the DM from the stroma.

EFFECT: method enables reducing the time of surgical manipulations and reducing the risk of graft loss as a result of rupture of Descemet's membrane, intact endothelial cells.

1 cl, 1 dwg, 1 ex

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RU 2 768 166 C1

Authors

Andreev Andrej Yurevich

Avetisov Sergej Eduardovich

Voronin Grigorij Viktorovich

Dates

2022-03-23Published

2021-08-03Filed