FIELD: medicine.
SUBSTANCE: invention refers to medicine, namely to otorhinolaryngology, otosurgery. A mastoid segment of a trephine cavity is inspected and de-epidermised, and bone walls are polished. A back wall of an external acoustic meatus is repaired with Alloplant costal cartilage placed into formed spur grooves. A mastoid process cavity is filled rectangular fragments of Alloplant costal cartilage. That is combined with the tympanoplasty.
EFFECT: method enables eliminating the trephine cavity completely, repairing the natural architectonics of the external acoustic meatus, its resonant characteristics, restoring the eardrum integrity, recreating the air eardrum limited from the ambient medium, as well as eliminating the additional surgical injury accompanying an autograft sampling.
8 dwg, 1 ex
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