A SEVEN-DEGREE-OF-FREEDOM ARM WITH UNIQUE SHOULDER FUNCTION

Abstract

The most advanced powered prosthetic arm in 2005 is the experimental seven-degree-of-freedom (DOF) arm prepared for a bilateral shoulder disarticulation patient at the Rehabilitation Institute of Chicago. The major components are an LTI Boston Digital Arm supplying the elbow drive and control electronics, a hand with wrist flexion-extension from China, a Bock wrist rotator, a humeral rotator from Northwestern University (NWU), a shoulder flex-extension module from TouchEMAS in the UK, an LTI Locking Shoulder Joint, and an LTI VariGrip III Controller