Water from leg. Heated up. please help.

After an accident on 23rd of April where a bus ran over both his legs, and with no fracture he was diagnosed for leg injuries and wounds which were open. One wound was in right foot and the other on the left thigh just above the knee. Due to water retention in the leg and due to swelling he had to go through aspiration process on 6th of may. And was recommended a magnesium salt treatment. Nothing affected and after 4 days legs started swelling again. Then after 2 weeks a surgeon was referred to him and he said that there was no more water. But since day before yesterday water is continuously flowing out of his left thigh wound and is not stopping. His bed, pants and the floor or the house is filled with this water. His leg is really heated up. Please help.