I understand that your situation is very serious. I really feel for you and I hope your snake will eat for you soon. I would be worried too. That said, you'll have to wait for some more experienced members to comment on possible solutions to your feeding issues.

What I will comment on is your vet's name: Dr. Funk!? Words cannot express the awesomeness of that name. Easily the greatest doctor name -- no, name name -- ever. At least you've got that going for you. Good luck.