Before surgery, a CT scan is taken of the patient’s knee, and a 3D model created using the RIO system’s software. From this model, a pre-surgical plan is developed for the positioning of implants based on that patient’s unique anatomy.
To ensure implants are optimally positioned and that the soft tissues of the knee are balanced for a positive surgical outcome, surgeons can test and fine tune the plan before surgery by moving the leg through different ranges of motion. The RIO provides measurements and visualization, and the surgeon adjusts the plan as needed.
Once the surgical plan is finalized, it is programmed into the RIO, which creates a safety zone for bone removal. While the surgeon guides the robotic arm and maintains control at all times, the RIO ensures that bone removal stays with the safety zone of the surgical plan. It provides auditory, visual and tactile feedback and stops the robotic arm if necessary before bone can be removed outside the planned area. Once the bone preparation is completed, the implants are placed in the knee.