My Husbands Doctor Wants Him To Have The Cleanup Or

My husbands Doctor wants him to have the cleanup or scraping rather than the total replacement surgery. The doctor says that he is too young for knee replacement. He is 55 years old. I told him that he will just need to have the replacement later any, so he should go ahead and get the replacement now. I think this doctor just wants to be able to charge for two surgeries. One now and one later. What do you think?