Ok Great - sounds like you do have the Best of the Best.
The first 2 weeks are going to be rough - no lie. She must be contained at ALL times. This is major surgery and she will not understand that she could hurt herself
Do a search here on YT for Luxating Patella
There are sooooooooooooooooo many threads, as there are tons of us that have gone thru it, including me.
I will say, in the end, it is worth it ~ she WILL be a brand new girl and YOU will be amazed at the difference