作者: Robert Frigg , Harald Saner , Claude Mathieu
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摘要: The device for performing osteosynthesis includes a fixation element, such as bone plate having bottom surface designed to bear against the bone, top surface, and at least one through hole extending from though central axis configured dimensioned receive multiaxially pivotal insert or bushing screw. A insertable into hole, bore screw, longitudinal axis, peripheral outer be in contact with hole. is radially compressible expansible, cross section of which orthogonal non-circular. that has shape corresponds substantially plate. When placed rotationally fixed relative its but remains pivotally adjustable within