My grandmother was admitted in the ICU for 4 days due to bacterial infection in urine and kidneys, and while she was discharged, she has got Bed Sore, and one side of the ass so fully raptuerd as if there is a 1 inch deep hole and about 0.75-1inch wide radius. Also there is lots of watery solution coming out from that area, and as i see the HOLE, it seems that its all filled with water inside and like an empty bag inside . Please sugest....