A method of operating on a joint having a medullary canal, including the
steps of removing a first rod that is disposed within a bore of a joint
prosthesis. The first rod having a distal tip that extends past the joint
prosthesis when the joint prosthesis is implanted in the medullary canal
of a bone. Next, a second rod is placed within the bore of the joint
prosthesis. The second rod has a second distal tip that extends distally
further into the medullary canal of the bone as compared to the distal
tip of the first rod when the first rod is positioned within the joint
prosthesis.