The next four weeks will be the longest of your life.
I have had to do that several times over the years with Gizmo. Please take your surgeon's advice and do just as he says. I have seen so many cases come into our clinic like yours, and the owners think after a week or so everything is ok, turn them loose and they reinjure and require surgery. How strict you are with her may determine whether she has to have the surgery. Carry her around, up and down stairs, don't let her jump up on ANYTHING. We have had Gizmo so spoiled about us carrying him that he hesitates even now to go up and down our stairs, and waits for me to pick him up and carry him. The lazy little rat.