What could this injury be?

livi23
I had a skiing accident yesterday. It was really icy and I went over a patch of ice and skidded and my ski got stuck in the snow and twisted around. I tried to get up but it felt like the bones moved together and I fell again. The ski patrol said I might have torn something or sprained it. I think it might be dislocated. I can't bend my knee or walk for an extended period of time and I'm wearing a splint. What could I have done to it? I have a doctor's appointment today but I was wondering now :3
What could this injury be?
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