Abstract
Bone external fixation technology is an important means of limb correction, which mainly involves a kind of bone external fixator in the process of operation. The traditional bone external fixator has the characteristics of motion coupling in the orthopedic process, the resistance between the parts is large, it is difficult to adjust manually, it affects the orthopedic effect and cannot quantify the orthopedic index. On this basis, designed a tibial orthopedic external fixation robot with self-adjusting function. First, based on the principle of osteotomy, analyzed the demand for correction of deformed tibia, used spinor theory to analyze the configuration of robot. Then, analyzed the degree of freedom and inverse solution of the mechanism, determined the driving component and orthopedic attitude of the mechanism. Finally, performed robotic orthopedic simulation analysis and verified its feasibility. The designed robot solves the problems of traditional bone external fixator orthopedic motion coupling, which can realize quantitative control of the orthopedic process and ensure the accuracy of orthopedics.
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