DRAINAGE TUBE FOR OPEN DRAINAGE AND AERATION OF MAXILLARY SINUS Russian patent published in 2000 - IPC

Abstract RU 2146539 C1

FIELD: otorhinolaryngology, particularly, treatment of maxillary sinusitis after radical operation on maxillary sinus. SUBSTANCE: drainage tube consists of two hollow tubes made of inert polyethylene. One tube is longer for closed drainage and has fixing part in the form of corrugations made on 1/3 of its length, and the other tube serves for free aeration and is fully corrugated. EFFECT: improved design of drainage tube, higher quality of treatment. 1 dwg

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RU 2 146 539 C1

Authors

Prokop'Ev P.P.

Patrin A.F.

Dates

2000-03-20Published

1998-10-01Filed