Abstract: A vertebral rod comprises an elongated first section and an elongated second section. A flexible intermediate section is disposed between the first section and the second section. The intermediate section has an interior surface defining a cavity having an open end. A resistance member is disposed to occupy the entire cavity of the intermediate section. The resistance member includes an outer surface such that the entire interior surface engages the outer surface during movement of the intermediate section. Methods of use are disclosed.

Abstract: An intramedullary fixation device for use in securing a trial in the medullary canal of a bone to determine the offset and orientation of a prosthetic implant for replacement of a joint articulating surface of the bone is disclosed. The fixation device comprises a body for receiving a trial and a fixation portion for engaging the trial. A system for use in surgical repair of a joint comprising a selection of prosthetic implants of various sizes, a selection of trials of various sizes corresponding to the sizes of the implants, a selection of fixation devices of various sizes corresponding to the sizes of the trials, a trial fixation device driver for inserting the fixation device and attached trial into the canal of a bone, and a trial device extractor for removing the fixation device from the resected bone is disclosed. Methods of using the fixation device and system of the invention are disclosed.

Abstract: An intramedullary fixation device for use in securing a trial in the medullary canal of a bone to determine the offset and orientation of a prosthetic implant for replacement of a joint articulating surface of the bone is disclosed. The fixation device comprises a body for receiving a trial and a fixation portion for engaging the trial. A system for use in surgical repair of a joint comprising a selection of prosthetic implants of various sizes, a selection of trials of various sizes corresponding to the sizes of the implants, a selection of fixation devices of various sizes corresponding to the sizes of the trials, a trial fixation device driver for inserting the fixation device and attached trial into the canal of a bone, and a trial device extractor for removing the fixation device from the resected bone is disclosed. Methods of using the fixation device and system of the invention are disclosed.