Family is in Need of help husband leg amputated

My husband David Arroyo was in a motorcycle accident he was riding down the road normaly no speeding a lady driving turn into her driveway I guess she didn't see him and hit him he flew of the bike and his ankle broke from the impact it was fine into she went to put the car on reverse and didn't realize his ankle was under her tired and it got it destroyed 4 hours of surgery and all the doctors did was attached it with screw to see if any blood flow in it we are on day 2 and no blood is flowing in it his foot is going to be amputated now we had a 3rd surgery and they had to go more higher up to his knee we need all the support we could get anything would help please help my family in this time of need..