Urgent knee operation!

Hi people! Im Zoe, young designer and piano player! Yesturday i had an accident - I was playing with children at the children's birthday and i made unknown move and tore a tendon in knee. The knee that i need. They putted me splint, surgery is required and very expensive therapy, and now can not afford it. Here that is not that much expncive but i coasts 2000$, and i cannot collect them in such short time. Your help would meana lot to me and my family. I promice that allmoney that we dont use we will found to another family. Thank you!