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About

Grant Schaffner’s research sits at the intersection of biomechanics, robotics, and human performance, with a focus on advancing surgical and rehabilitation technologies. His most impactful work, “Determining the Threshold of Time-Delay for Teleoperation Accuracy and Efficiency in Relation to Telesurgery” (50 citations), establishes critical benchmarks for latency in remote surgical systems, directly informing the design of teleoperated robotic platforms. This foundational study quantifies how even small delays degrade precision and efficiency, a key consideration for both terrestrial telesurgery and future space missions. Schaffner also explores the biomechanics of the knee, using robotic testing to simulate in vivo loading and population variability, as seen in his work on knee loading during gait and the effects of robotic compliance on kinematics. His forward-looking contribution, “Semi-Autonomous Robotic Surgery for Space Exploration Missions,” addresses the challenge of performing surgery at interplanetary distances where real-time control is impossible, proposing autonomous robotic solutions for lunar and Martian missions. Through these efforts, Schaffner bridges the gap between human physiological constraints and robotic system design, offering practical insights for telemedicine, orthopedics, and extreme-environment healthcare.