This technology is a bone fragment positioning control system and method using a robot that synchronizes the coordinate systems between medical image-based surgical planning and the actual surgical environment through a two-stage registration process, and automatically controls the movement of bone fragments by setting anatomical landmarks as the center point of the robotic tool.
Conventional surgical robots have faced issues where the process of manually setting anatomical landmarks by surgeons is time-consuming, and registration accuracy can be compromised by the surgeon's level of expertise or environmental factors.
This technology proposes a method that calculates the displacement between the actual model in pre-operative medical images and the virtual model post-surgery, performs coordinate system registration through marker-based displacement tracking of the robotic end-effector and bone fragments, and generates control signals by mapping landmarks to the robotic tool's origin. This approach reduces registration time and improves surgical accuracy. It can be utilized for fracture reduction surgeries in orthopedics and oral and maxillofacial surgery, shortening the time required for registration and reducing reliance on surgeon expertise to ensure consistent surgical outcomes.
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