FIELD: medicine.
SUBSTANCE: endoprosthesis can be used for surgical treatment of hip joint. Endoprosthesis has damping unit. Head of endoprosthesis is made of internal and external spheres; two planes truncate internal sphere. Damping unit is disposed between those planes. Damping unit is made in form of cavity with diverter valves for natural intraarticular liquid.
EFFECT: elimination of microscopic mobility of endoprosthesis in its bone bed; elimination of development of aseptic instability of endoprosthesis.
2 dwg
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