ENDOPROSTHESIS OF HIP JOINT Russian patent published in 2002 - IPC

FIELD: medicine, medical equipment, orthopedics, traumatology. SUBSTANCE: cotyloid cavity and proximal cervical department are designed as spherical parts with inner polymeric insertion pieces filled with lubricating liquid, a ball head is located between them with possibility to freely rotate along protrusions at the surfaces of insertion pieces, they are supplied with counter-action nipple valves. The cavities of insertion pieces are connected between each other with a protective covering made of elastic corrugated material. EFFECT: higher functional properties and durability of endoprosthesis. 4 dwg