| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a screw and a method by means of which a reliable and even augmentation of a screw in an installation site in an object can be assured. <P>SOLUTION: The screw for fixation of a fracture includes: a hollow shaft; a first outer thread and radial openings at its distal end; and a second outer thread and an inner engagement portion at its proximal end. The second outer thread is adapted to engage with a tissue protection sleeve. The inner engagement portion is adapted to fit to a driving end of a driving tool. By way of this, force in an axial or radial direction may be applied to the screw by the sleeve, and force in a rotational direction may be applied by the driving tool. Therefore, the screw can be installed accurately at the intended site in an object. <P>COPYRIGHT: (C)2011,JPO&INPIT |
