Not sure if this would help, but Olga with Retro Doggy Rescue has an AAI baby right now, she is 2 lbs and is just a baby. Anyway, she has made a temp neck brace with belly bands (I think), check it out:
Lucy
Adopt a Yorkshire Terrier Yorkie: Li'l Lucy: Petfinder
Maybe you can contact her (she is very, very, very nice) and get some advice on how to care for your baby until things can get figured out
