FIELD: medicine.
SUBSTANCE: invention refers to ophthalmology and aims at external surgery of vertical genu of lacrimal passages. The surgery involves incision of soft tissues followed by application of an irrigation aspirator A-250 (Eleps, Russia) within forming a hole in the bone and tissue suturing. The aspirator is joined with a working part that is a suction cannula.
EFFECT: improved visualisation of operative field, higher manipulation accuracy and reduced operation length.
2 ex
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