@missy4242 yes I ended up with the $159 cold therapy machine from Amazon. I tried ordering the Polar Ice machine off Amazon but there were a hundred and one delivery issues with it so I just cancelled the order; I am not the first buyer to note delivery issues with it from Amazon. I debated up until I was being wheeled to the OR whether I was rushing this surgery and was my pain really that bad and so what if I fell a couple times when my knees locked was it really that big a deal? I am glad I had it done while I am still in good health minus my weight and can get out and enjoy life without fear of falling again. I am hoping the weight comes off as I leave my couch potato days behind me.