FIELD: medicine, otorhinolaryngology. SUBSTANCE: frontonasal anastomosis prosthesis is made of hydroxy apatite and is made in form of pipe having oval section and uniformly narrowing towards one end. Prosthesis requires no additional fixtures to position it in place and during one month it becomes intimately merged with osseous edges of anastomosis, thereby providing aeration and drainage of frontal sinus. Hydroxy apatite is neither cytotoxic nor has antigenic properties. EFFECT: effective prosthetic device. 1 dwg
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