HIP JOINT ENDOPROSTHESIS Russian patent published in 2007 - IPC A61F2/32 

FIELD: medical engineering.

SUBSTANCE: device has head, threaded cylindrical neck member, trochanteric member, leg, locking screw and lock nut. The neck member is fixed on spherical body. Cylindrical cup having threaded canal for receiving the neck is mounted on the head member. The lock nut is mounted on the neck between cup end face and spherical body having neck-immersing level fixable in the cup. The trochaneric member has cavity mating the spherical body in shape to enable one to mount and fix it. The locking screw has socket and mating socket key and surface congruent to the spherical body engageable with it. The locking screw is threadedly mounted on the external part of the trochaneric member.

EFFECT: controllable and fixable neck length and angles; excluded neck member end projection in external trochaneric member part.

1 dwg