There is usually SOMEBODY around who helps sick and injured animals. Maybe an older person with a lot of animal experience, maybe a person with human medical knowledge. Who would a person contact if their farm animal was injured?
If you really can't find anybody, maybe an internet vet could tell you what to do. I know that people in remote parts of Alaska or the Australian outback do that sometimes. I'm not sure where to find a reputable online vet but I know there are sites. I hope your kitty recovers well .