I also have the very tight band feeling around the top of my lower knee. Surgeon said as long as it goes back and forth it's fine. I started to see a lady PA at the surgeons office and shes great. She said about 15% of of the surgery has problems. Many others have had the same problem as we do.
Mine is over 4 years now. I've had a spec iui al freeze where probes are inserted into your knee. Supposed to kill nerves, didn't work. Had cortisone injections, didnt work. Doing this all at the pain center. Going back in two weeks, not sure what next step is.