ROSA Knee Intraoperative Planning Flexibility Study

This study is collecting data on the ROSA Knee System — a robotic arm that assists surgeons during total knee replacement surgery — to evaluate how using real-time intraoperative data and planning flexibility affects surgical and patient outcomes. **You may be eligible if...** - You are 20 years or older and skeletally mature (bones fully developed) - You and your doctor have already independently decided you need a total knee replacement using the ROSA Knee robotic system - You are willing and able to attend all scheduled follow-up visits - You have signed an approved informed consent form **You may NOT be eligible if...** - You have serious bone damage, severe osteoporosis, or conditions that make knee replacement unsafe - You have an active infection - You are unable to commit to follow-up visits - You have other conditions that your surgeon determines would make participation unsafe Talk to your doctor to see if this trial is right for you.