Cynthia,
It sounds like you are making progress. I've had two birds need intensive care due to injuries and they both made it. The treatment took many months for both.
The first is was a young pullet who was named Stumper after her ordeal. I came home from work and found her with a broken leg, right above the foot, bone protruding, foot hanging seemingly by a chunk of leg skin.
I cleaned it and seperated her. I am not sure how it happend but figured a horse stepped on her. I splinted it and applied copious nitrofurazone and them wrapped it in vetwrap.
Her routine was new Nitro every few days and readjusting the bandage/splint. Her foot turned green at one point and I began to think I should remove it or cull her. She had been 'stumping' around on one foot just fine so I figured she would be fine with out it. But, I decided to give it a few more days, she was moving her toes.
Good thing I did, the leg healed, the green was bruising as she has yellow shanks. I pulled migrating bone splinters for a long time but she walks, with a limp. To move fast she does a monkey hop/skip and flaps wings. Stumps is 6 years old now and living the high life here.
The other was my best rooster, a 3/4 black giant and 1/4 orpington, he is massive. He was attacked shortly after I moved to my present home in January 2007 by a contractor's dog. He brought a dog with out my knowlege and let it out of his truck. A blue heeler thing which first ran after my cats in a couple of feet of snow. It never listened to its owner and bolted down the driveway to the chicken house, no fencing, I moved in Jan 1, ground frozen.
Into the house it went snapping and snarling and chickens were flinging everywhere. They could not move in the deep snow. The rooster did his best to protect his girls and the dog did leave and ran down the road, still disobeying its owner. I wanted to shoot the dog right then and there.
The rooster had a bad bite on his foot and it took me three days to find a vet to see him. He was abscessing by then and really in pain. It was a crushing injury. The vet cleaned him up and I had 10 days of 2X antibiotic injections ahead. Poor guy took every one of those shots too.
The hens though had other ideas since he had a wound. I had no where to keep him seperate so I got some pink vet wrap with purple hearts and a can of pine tar. I made a nice wrapping for him ever few days, it was pretty custom since he had huge spurs. The pine tar kept the pecking from progressing. It worked after MANY long months. He has retired to a border town with some fancy buff orpingtons and is fine. He could not walk for three months and was able to hop around after that.
I sued the company in small claims since it also shut my egg production down. They forked over $500 to settle.
Don't give up on your boy. Chickens can be pretty tough. My rooster took 6 months to become able enough to be a chicken again. He's also 6 years old now.
:aww