Safety and Effectiveness of Cartiva Implant in the Treatment of First CMC Joint Osteoarthritis

Inclusion Criteria: * ≥ 18 years of age * Osteoarthritis of the first carpometacarpal joint * Presence of good bone stock without the need for bone graft * Capable of completing self-administered questionnaires Exclusion Criteria: * \< 18 years of age * Active bacterial infection of the hand * Previous CMC implant and/or surgery to the affected joint to be treated that would prevent implantation and fixation of Cartiva® SCI for CMC * Patient has osteoarthritis of the scaphotrapeziotrapezoidal (STT) joint in the hand to be treated