Last summer I was so miserable I just basically couldn’t do much and needed wheelchair for airport transfers. Now I can dig in the yard and walk up to 2 miles. No guarantees ever given but pain management doctor tried a few other things the first pain MD didn’t try. When those didn’t give me any relief he suggested this. I’m happy with it and no complaints yet. Only hard part is there are a fair amount of restrictions for few months postop on activity level. I wasn’t expecting so many restrictions. But since I had restrictions from pain...this was worth it.