Well, first let me tell you SORRY!!! OMG. Our dog was bitten by a pit bull this last July when we were walking him. He had to have surgrey and ended up with 12 stitches (sp?)
The owner of the dog saw the hole thing too. It was my husband who had to pull the dog off of ours. Thank God our dog in the end was ok, but the first thing they did was clean out the bite marks.
The owner did pay for all of our bills, (he didn't have a choice with me) and was very, very sorry about the whole thing. I will tell you this I have yet to walk my dog down that street since last July.
Just be very firm with the owner of the dog. They do know that their dog can be laid down to sleep and that is hard but a dog bite can kill!!!
Good luck with your healing and sorry that you have to take a break when least expecting too.