Physica System Total Knee Replacement Registry Study

This registry study tracks the long-term safety and performance of the Physica total knee replacement implant in patients who have received it for knee joint disease, collecting data on outcomes, complications, and patient recovery over time. **You may be eligible if...** - You are 22 or older (skeletally mature) and need a total knee replacement - You have knee arthritis (osteoarthritis, post-injury arthritis, or inflammatory arthritis) or need correction of a knee deformity - You are scheduled to receive the Physica knee replacement system - You are willing and able to attend follow-up visits and complete your rehabilitation program **You may NOT be eligible if...** - You have an active or suspected infection (in the knee or elsewhere in the body) - You have had a partial knee replacement, kneecap removal, or certain prior knee surgeries - You have significant bone loss or bone disease in the knee - You have a severe neurological condition affecting your ability to walk or recover - You are pregnant, nursing, or planning a pregnancy - You are currently enrolled in another surgical or pain management study - You have a known allergy to the implant materials (such as certain metals) Talk to your doctor to see if this trial is right for you.