Thumb Hemi-Arthroplasty With Natural Kinematics; a Prospective Multicenter Study to Confirm the Safety and Efficacy of the InDx Implant

The InDx CMC Implant is a hemiarthroplasty device for the CMC joint which consists of a unified assembly of three components: metacarpal stem, polyethylene liner, and articulating head. Because the device functions as a hemiarthroplasty, it does not link or constrain the CMC joint