My brother's finger got ripped open, the muscle is sticking out. Help?!

My brother's finger got ripped open, the muscle is sticking out. Help?

He was working on his truck and ripped it open on the windsheild wiper. it's pretty deep, and a huge chunk of skin is ripped (but still connected enough to heal back or whatever) but we think part of the muscle was also ripped and is hanging out... we're putting anti-ifection stuff on it and putting a bandage on it. Is there anything else we should do? Like, put the muscle back inside, or something? Help, please. (And don't just say "go to the doctor!" Duh...)

1 month ago
He was working on his truck and ripped it open on the windsheild wiper. it's pretty deep, and a huge chunk of skin is ripped (but still connected enough to heal back or whatever) but we think part of the muscle was also ripped and is hanging out... we're putting anti-ifection stuff on it and putting a bandage on it. Is there anything else we should do? Like, put the muscle back inside, or something? Help, please. (And don't just say "go to the doctor!" Duh...)

edit-
let me explain a little bit first... we're gonig to get professional help, but it seems like a bad idea to have his finger muscle hanging out while we take him there.

This injury needs immediate medical attention. Go to an urgent care center. Open wounds to the fingers are very susceptible to infection and this injury needs to be properly cleaned and bandaged with sterile dressings. If he severed nerves, or tendons they need to be re-attached or forever have problems with that finger.