| 摘要 |
<p>The present invention pertains to an arrangement, as well as a method, for fastening and fixing of first element, in the form of an implant, against the second element, in the form of bone tissue, during surgical use of a screw joint, by means of a screw with a conical head with a cone toward the screw tip, said head having an outside thread with a small pitch, which is intended to be screwed into the implant, and a main thread on the stem of the screw, which has greater pitch than the thread of the screw head, and said thread is intended to be screwed into the bone tissue, in which said first element, the implant, has a spherical hole, in which a ductile sleeve is arranged in the form of a sleeve divided into segments, flanges, and has a spherical shape that matches the spherical shape of hole, and said sleeve has a conical threaded inside shape that is complementary to the outer threaded shape of the screw head, in which screw, when tightened, can fasten the implant in any desired angle, relative to the other element, and fix the screw joint in this position.</p> |
