Artificial joint simulator VIVO™

AMTI’s VIVO™ brings new life to joint motion simulation, dramatically increasing the kinetic and kinematic realism of simulation to provide the closest possible approach to in-vivo conditions. VIVO™ provides the world’s first full-speed, full-load six degree of freedom environment in which to test joint prostheses as well as biological joint specimens. VIVO™’s performance highlights include: Six degrees of freedom – all joint motions can be controlled and measured Each axis may operate in force or position control – including zero-force control to simulate an unconstrained axis Convenient user programming of force and motion profiles AMTI’s exclusive multi-fiber ligament model – captures 6-DOF soft tissue inter-axis coupling Traditional heuristic soft tissue model also supported Grood and Suntay coordinate system – kinematics are described using joint-referenced virtualized axes User-defined coordinates – change coordinate system origin and orientation to accommodate test specimens as mounted