TOUCH® CMC 1 New Enrollment US Study

Inclusion Criteria: 1. Patient requiring 1st carpometacarpal (CMC) primary total joint replacement (arthroplasty) to surgically treat symptomatic Eaton-Littler Stage II or III osteoarthritis (OA) 2. Adult (≥ 22 years of age) at the time of enrollment 3. Willing and able to sign the study Informed Consent Exclusion Criteria: 1. Acute or chronic infections, local or systemic 2. Muscular, neurological, or vascular severe deficiency affecting the joint 3. Inadequate bone quality or quantity preventing the implant fixation 4. Bones dimensions incompatible with implant sizes 5. Patients who are allergic to the product's materials 6. Any concomitant disorder that may affect the function of the implant (e.g., osteoarthritis of the wrist) 7. Skeletally immature (i.e., pediatric population, \<22 years of age) 8. Pregnant or nursing women 9. Patients with contraindications to surgery in general 10. Patients with an intellectual disability who cannot follow the instructions of their surgeon.