Head centering jig for femoral resurfacing

A method of identifying a point on the femoral head in alignment with a central axis of the femoral neck, the method comprising the steps of:

• providing a jig comprising a first member defining a plane and having means for at least partially receiving the femoral neck, a guide member mounted in spaced relation with respect to the first member and defining an axis at right-angles to the plane defined by the first member, the axis intersecting the plane at a point a predetermined distance from said means for at least partially receiving the femoral neck, and elongate alignment means mounted with respect to the first member, the alignment means being spaced from and extending parallel to the axis defined by the guide member,
• exposing the femoral head and neck;
• offering up the first member to the femoral neck so that the femoral neck is at least partially received by said means for at least partially receiving the femoral neck;
• aligning the elongate alignment means with a central axis of the femoral neck;
• and identifying a point at which the axis defined by the guide member intersects the femoral head as the point on the femoral head in alignment with the central axis of the femoral neck.