need help!! Had total left knee replacement 8 months ago. Had a groin to ankle solid brace on for 6 weeks. No flexion except when went to PT and they took brace off. Have pain, slight swelling and numbness in patella area. Is not getting better.probably worse Am living on oxycodone [10 mg every 6 hrs. Surgeon says it it takes time. Doesn't sound right to me. Am looking for answers!!! PS Have to use cane and walker.