METHOD FOR RECONSTRUCTING PROXIMAL FEMUR SEGMENT Russian patent published in 2007 - IPC A61B17/56 

FIELD: medicine.

SUBSTANCE: method involves introducing endoprosthesis into the femoral canal filling space between femoral canal surface and endoprosthesis surface with spongious crumb and/or hydroxyapatite and/or cortical grafts. After having cleaned the femoral canal, bearing plug is formed from a hardening material in its distal part, spongious crumb and/or hydroxyapatite and/or cortical grafts in its distal part. Bearing washer from firm inert material is fixed on bearing plug surface. Tubular carcass made from net manufactured from a firm inert material is built on femur surface region to be reconstructed. The tubular carcass is rigidly attached to upper part of retained femur fragment with ring-shaped clamp. Femoral canal cavity is filled with spongious crumb and/or hydroxyapatite and/or cortical grafts. Distal end of femoral endoprosthesis part is introduced into the femoral canal as far as possible when it is set against bearing washer with its end face. Cortical grafts are introduced with their distal ends into the space between the femoral canal and endoprosthesis. The upper ends of the cortical grafts are drawn and pressed against matching endoprosthesis zone. Space between tubular carcass surface and endoprosthesis is filled with spongious crumb and/or hydroxyapatite and/or cortical grafts. The upper ends of the cortical grafts are fixed with elastic ring-shaped clamp manufactured from firm inert material to endoprosthesis surface. The clamp is fitted over the tubular carcass. The spongious crumb and/or hydroxyapatite and/or cortical grafts material is fixed from above in the tubular carcass by means of washer manufactured from firm inert material. The firm inert material washer is fixed with bone cement. Split type of tubular carcass is used.

EFFECT: complete supporting function recovery; excluded femur destruction fracture in setting endoprosthesis; high reliability in operation, avoided direct transfer of mechanical efforts from endoprosthesis to thinned walls of the femoral canal; tightly filled space; accelerated lacking bone fragment regeneration.

3 cl, 1 dwg