Jesus reaches out to the man where he was and deals with him in his language. Jesus takes his fingers and sticks them in the man's ears. Then he spits on his fingers and the touches the man's tongue. He touches what is broken with the Creator's touch. The Good Physician is at work.
Touch is vitally important to healing.
We don't do enough of it in our culture anymore. The stethoscope was the first piece of equipment that got between doctor and patient. Now the doctor could listen to your heart and your breathing without touching you. And we've become further and further removed from human touch. But we are touched by few.