DEVICE FOR PERFORMING CONIC OSTEOTOMY OF FEMUR NECK Russian patent published in 2001 - IPC

FIELD: medical engineering. SUBSTANCE: device has working part, cylinder and sleeve. The working part has cutters as plates with different blades at the working ends and spherical bodies at idle ends. The plates are crossed in the cylinder canals corresponding to their cross-section. The cylinder has axial canal for guiding wire and is axially movably mounted in the sleeve. The sleeve has tail and axial canal coaxial with cylinder canal. Sleeve walls have through longitudinal slots. Movable guides attached to the cylinder are mounted in the slots. The spherical bodies are slidable over the beveled sleeve. EFFECT: unloading the pathologically changed femur head zone; favorable treatment outcome. 5 dwg