| 摘要 |
A clamp for an external fixation device, includes a basic body fitted with a first, continuous borehole for receiving a longitudinal support and a second , continuous borehole disposed perpendicular to the first borehole and partly intersectin g it for receiving a tension bolt. The tension bolt includes a transverse borehole for receivin g a bone fixation device, such as a bone pin, and further includes threading at one free end f or engagement with a nut that forms a stop against the basic body. Tightening of the nut o n the tension bolt permits the bone fixation device to be held against the basic body. An additional, threaded borehole is provided in the basic body, terminates in the second borehole, a nd receives a fixation screw. The diameter of the tension bolt can be less than the diamet er of the second borehole and the fixation screw can be used to position the tension bolt so that it lies across a portion of the first borehole and bears tangentially against the longitudinal support.
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