METHOD FOR CARRYING OUT PRIMARY RECONSTRUCTION OF POSTEROSUPERIOR WALL OF EXTERNAL ACOUSTIC MEATUS IN HEARING IMPROVEMENT OPERATIONS

摘要

FIELD: medicine. ^ SUBSTANCE: method involves remove posterosuperior external acoustic meatus wall bone fragment by knocking it off together with tympanicord using a chisel taken from microsurgical instrument set. Then it is moved forward as a whole. After having done the hearing improvement operation, it is laid on its original place. ^ EFFECT: enhanced effectiveness in recreating posterosuperior external acoustic meatus wall integrity after the operation. ^ 3 dwg