HIP JOINT ENDOPROSTHESIS Russian patent published in 2000 - IPC

FIELD: medical engineering. SUBSTANCE: device has cotyloid cavity, head and pedicle. The cotyloid cavity and proximal portion of pedicle are hemispheres having hemispheric holders with sockets for balls to be placed. The holders are mounted on hemisphere end faces to enable balls placed inside to rotate in unconstrained manner on the spherical head surface placed between the holders. The holders are connected to each other with an envelope being corrugated tube manufactured from flexible material and fixed on holder end faces. EFFECT: high functional properties; high wear resistance. 1 dwg