HIP JOINT ENDOPROSTHESIS PEDICLE Russian patent published in 2007 - IPC A61F2/36 

FIELD: medical engineering.

SUBSTANCE: device has tube with dead bottom end and slit-shaped fissures on lateral surface, axially movable rod and fastening members. The slits are transversely arranged in the pedicle. The fastening members are manufactured as disks with the central holes used for setting them tier-by-tier and uniformly in pairs between ring-shaped protrusions. The fastening member pedicles are elastic plates of identical length having unilateral top external bevels. The plates belong to the same plane, displaced relative to each other at 120° and movable and fixable in slit-shaped fissures. The lower rod end is mounted in dead end of the tube guiding canal. The upper rod end is threaded to provide engagement with boss thread on internal tube surface and ends in facet for applying wrench. The upper tube end has external thread for a cap to be screwed for closing the tube.

EFFECT: long service life; increased prosthesis position stability in femur medullary canal.

2 cl, 3 dwg