I had to smile when I read your post. I am almost 6 weeks Post-Op, and I have 2 Boxers. They are my little babies---they are 2.5 and almost 4. I was VERY concerned about them, right after my surgery---I was afraid they would jump on me, they think they are lap dogs!!!
I camped out in my Master Bedroom for my Post-Op recovery----with a baby gate up so they could not come in. My B/F would bring them in, one at a time, so that they could each have a little cuddle time with me each day---that seemed to keep them satisfied!
But I was very nervous--and still am---about them hitting my incision---and just other wise jarring my leg. But they seemed fine--and seemed to understand--They even had to be locked in their kennels during the day, even though I am home, b/c I could not let them out and take any chances of causing harm to myself while taking care of them. Just make sure she has plenty of attention from the others helping you---I think they realize that we are hurting, and she might just want to be "near" you.
Good luck on your surgery!!!!