Also have you considered a knee walker rollator device? I wish I had used one at the beginning to keep myself on my feet.

Last year I bought an adjustable bed which has helped me get better rest, helped the swelling far better than elevation with pillows & additionally has helped my eyes. I developed huge swollen eyelids that were beginning to impede my eyesight to the point an eye surgeon recommended surgery. I am lucky I refused, because within a few months of sleeping with my upper body slightly elevated all the fluid build up left my lids.

I am convinced that some of our CRPS agony is exacerbated by sluggish lymph. I use a mini trampoline to bounce my feet on.

You might be able to find a person to give your wife lymphatic massages.