| 摘要 |
1. Positioning and immobilizing apparatus for a part (60; 120), more particularly used in the field of devices for external fixation of bones, comprising two jaws (30, 40; 111, 112) arranged so as to be pressed one against the other and to enclose the part, the part and/or the jaws comprising circular zones exhibiting a series of facets evenly arranged on the zones and intended to cooperate with the complementary part or jaw, characterized in that the facets (81) consist of regular polygons and in that the said adjacent facets are plain or incurved and form between them sharp edges or points which are capable of creating elastic deformations in the complementary part or jaw, in order to achieve an effective immobilization. |
