Techniques and instruments for adjusting the relative positions of the bone tissue and bone

摘要

System for adjusting the relative positions of bone tissue or bone, such as more vertebrae, methods, devices, and are provided the instruments or two. Specifically, in one form, and a second end member and the first end member, and Ugokase freely relative to one another in the first configuration of the instrument, the instrument may rotate the displacement member in the second configuration while more Includes move relative to one another if and only if it were, the second end member and the first end member. In one embodiment of another aspect, the second end member and the first end member is selectively rotatable with respect to each other instrument is to be used for distraction or compression of bone tissue or bone morphology and / or the I include a hook portion. In another aspect, techniques for adjusting the relative positions of bone tissue or bone is provided. [Selection] Figure Figure 1