The OP has not been on since 2021.
If you wish, start a thread about your hen. Post photos of the wounds.
Here's some good instructions for treating an injured bird:
https://www.backyardchickens.com/threads/wing-ripped-off-by-predator.1614503/post-27574058
Is the skin still intact underneath her leading to the abdomen.
I would give her coconut oil and plenty of fluids but would be very careful massaging the crop since it's really exposed. Hopefully you will find it empty this morning.
Let's get @Eggcessive and @coach723 to take a look as well.