FIELD: medicine.
SUBSTANCE: invention refers to surgical orthopaedics, and can be used for total hip replacement. Hip joint endoprosthesis consists of acetabular component in form of a hemisphere with lock ring polyethylene insert with rom, spherical head, web and endoprosthesis leg. In the flat part of the acetabular component with its outer side there are perpendicular blind holes equidistant from each other. In top polyethylene insert with its lower side there is a blind threaded hole in its lower part, in which the locking ring screwed inside this hole along its axis there is a metal cylindrical holder of Ferromagnet to interact with magnet brought close to body surface with T-shaped section and above it the spring. Lower part of spring metal cylindrical holder is located inside one of the holes of acetabular component. All elements of the endoprosthesis except said retainer are made of a sample.
EFFECT: invention ensures increased service life of the endoprosthesis.
1 cl, 7 dwg
