| 摘要 |
PROBLEM TO BE SOLVED: To provide a targeting device, which improves the accurateness of a drilling process, or which allows a more accurate control of the drilling process.SOLUTION: A targeting device (1) for guiding a drill arrangement (11, 12) to form an arc-shaped bore in an assembly of adjacent bones or bone fragments, comprises: a support frame (2; 5; 7); and a pivoting device (8) which is mounted to the support frame and arranged to receive the drill arrangement, and which allows a pivoting movement of the drill arrangement along an arc-shaped path having a predetermined curvature radius raround a pivot axis (9). The support frame is provided with at least three fixation devices (3; 4; 6), each configured to fix one of bones or a fragment of a bone assembly (14; 15; 16) to define a fixed position in a space of the bone assembly with respect to the pivoting device when the bone assembly is installed to the support frame. |
