Is Robotic Surgery Better for Knee Replacement? Robotic surgery might sound futuristic, but it has become a reality. Surgeons have started using machines to perform surgeries that require a high level of precision, such as knee replacement. While total knee replacement in Mumbai has become quite common, patients are still not sure about robot-assisted surgeries. Using a robotic arm, a surgeon removes the damaged tissues in the knees and replaces them with an artificial joint.