| 摘要 |
An apparatus to guide drilling into the bone at the desired drilling angle from an entry point on the surface of the bone comprises rotationally linked members to allow the drill guide to rotate in two perpendicular axes to establish the drilling orientation. The drilling orientation is derived with respect to a reference structure on which the apparatus is mounted. After the drilling orientation is established, the appropriate drilling bit or guide wire is inserted into the drill guide, and the apparatus provides a means to translate the drill guide in two planes of motion to in order to coincide the tip of the drill bit or guide wire directly onto the entry point on the surface of the bone.
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