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
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Authors
Dates
2006-01-27—Published
2004-03-17—Filed