Real-Time Haptic Feedback in Robotic Surgery
Rodriguez M., Vance E. · International Journal of Medical Robotics
Abstract
Developing a low-latency haptic feedback system for teleoperated orthopedic surgery.
Methodology
We designed a bilateral force-reflection algorithm integrated with high-frequency load cell arrays (1kHz) and a customized pneumatic active actuator driving a surgical master console. Dynamic filtering models were implemented to decouple operator tremor from active force measurements.
Findings
System latency was reduced to 1.8ms, well below the physiological sensory threshold. Surgeons participating in artificial bone resection tests successfully identified changes in cortical vs. cancellous density with 94.8% accuracy, reducing drilling overshoot errors.
Conclusion
Active tactile force feedback significantly enhances precision during robotic-assisted joint replacement surgeries, minimizing secondary soft-tissue laceration and bone structural integrity breaches.