Kit for fitting replacement hip comprises drill with shaft which fits into medullary canal of femur, distal conical bit and slanting proximal conical bit being used to widen top of canal

摘要

The kit for fitting a replacement hip comprises a drill (30) with a shaft (31) which fits into the medullary canal of the femur. A cylindrical bit is used to widen the canal and the shaft is then fed into it. A distal conical bit (32) whose axis is parallel to that of the shaft and a proximal conical bit (34) whose axis is at an angle to it are then used to widen the top of the canal.