Abstract: The present invention provides a system for centering proximally and distally a hip replacement. The system comprises a trial hip prosthesis for centering proximally the hip replacement and a device adapted for insertion into the medullary canal for centering distally the hip replacement, the device being provided with means to receive and center the stem in the hip replacement. A method for obtaining a proximally and distally centered total replacement is also provided.

Abstract: A method and apparatus using a bow and pin type traction device in which a pin is passed through the bone in the patient's limb. A bow member is adaptable to drive the pin into the limb as a brace and bit. After the pin is inserted into the limb, the bow member grips the pin on both sides of the limb to apply traction. The dual function of the bow enables the provision of all specialized equipment for installation of the bow and pin in a single unitized packaged kit.