INSTRUMENT FOR USE IN A JOINT REPLACEMENT PROCEDURE

摘要

Instrument for locating the cutting plane on the head of a long bone in a surgical procedure in which the head of the bone is replaced with a joint prosthesis component, which includes an axial reference shaft which can be arranged parallel to the axis of the bone, a cutting guide which can be moved relative to the axial reference shaft, the cutting guide having a reference block for location against the bone relative to the edge of the bone at one side and at least one arm which is shaped so that it can extend from the cutting guide over the face of the head, in which the arm can be located positively with respect to features on the head so that the location of the reference block along the axis of the bone can be set with reference to features on the head of the bone which are contacted by means of the arm.