Table 4 Ankle–Foot prosthesis comparison
From: Intelligent ankle–foot prosthesis based on human structure and motion bionics
Structure | Device (Territory) | Features | ROM |
|---|---|---|---|
Fixed-axis rotating | Pro-Flex Pivot (Ossur) | The poor roll-slip kinematic properties | 27°–27° |
Four-bar structure | Powered Polycentric Ankle (University of Utah) | Overcomplicated mechanical structure | 27°–28° |
Four-bar structure | Meridium Ankle (Otto Bock) | N/A | |
Rolling conjugate surface | Ours | The integration of sliding-rolling technology with energy-storage characteristics | 45°–45° |