Femur implant, for replacement knee, comprises hollow tube with slits and expandable segments, threaded spindle, sensors, evaluator indicator and bolt

摘要

Curved hollow tube (2) inserted into femur (12) bone-duct has, on distal side, at least two lengthwise slits (3) extending over two thirds of its length and dividing it into at least two expandable segments (4,5). Threaded spindle through hollow tube is turned by proximal-side handle (7). Molded body (9) with larger diameter at its distal end (21) and proximally tapering outer surface (10) is screwed to threaded spindle to expand segments.