An implant for fixation of a bone includes a shaft having a proximal end and a distal end, and a longitudinal axis defined between the proximal end and the distal end. This invention is a control method in an X-ray image diagnosis apparatus which irradiates an object with X-rays and processes a captured image obtained by imaging the object. A Mediator node provides administration and security and a static Internet location for accessing the system. The bearing ring is attached to a hinge arm that allows the removed threaded head to be moved away from the male threaded structure and then rotated about a vertical axis.