I had this done on 2 fingers of my left hand about 2 years ago, after trying everything else possible. Not only were my fingers "locking up", but they were also becoming extermemly painful, especially in cold weather.
I won't use the term "miracle cure", but the surgery done was pretty darn close.
I did have some post surgery swelling & discomfort, but the most apinful part of the entire procedure was getting the sutures removed. Surgery was outpatient, & took about 25 minutes.
My hand is now fully functional & blissfully, totally pain free. It was well worth it.