Post-Market Study of Comprehensive Reverse Augmented Glenoid and Mini Humeral Tray in Total Shoulder Arthroplasty

Inclusion Criteria: * Patient must be 18 years of age or older. * Patient must be anatomically and structurally suited to receive the implants and possess a functional deltoid. * Patient must have a grossly deficient rotator cuff with severe arthropathy and/or a previously failed shoulder joint replacement with a grossly deficient rotator cuff. * Patient must be able and willing to complete the protocol required follow-up. * Patient must be able and willing to sign the Institutional Review Board/Ethics Committee approved informed consent. Exclusion Criteria: * Patient is a prisoner. * Patient is a current alcohol or drug abuser. * Uncooperative patient or patient with neurologic disorders who is incapable or unwilling to follow directions. * Patient presents with osteoporosis. * Patient has a metabolic disorder that may impair bone formation. * Patient has osteomalacia. * Patient has distant foci of infections which may spread to the implant site. * Patient has rapid joint destruction, marked bone loss or bone resorption apparent on roentgenogram.