The reason the Medal of the Immaculate Conception is called the Miraculous Medal is because of the numerous miracles attributed to it. Just as I was going offline this morning, a reader asked me what are some of the miracles? I suggested he Google the story of Alphonse Ratisbonne, or simply Google miracles of the Miraculous Medal. I did so and came across a wonderful story from Fr. Hardon.
Each morning I received a list of all the patients admitted into the hospital that day. There were so many Catholics admitted that I could not visit them all as soon as they came.
Among the patients admitted was a boy about nine years old. He had been sled-riding down hill, lost control of the sled and ran into a tree head-on. He fractured his skull and X-rays showed he had suffered severe brain damage.
When I finally got to visit his room at the hospital, he had been in a coma for ten days, no speech, no voluntary movements of the body. His condition was such that the only question was whether he would live. There was no question of recovering from what was diagnosed as permanent and inoperble brain damage.
After blessing the boy and consoling his parents, I was about to leave his hospital room. But then a thought came to me. "That Vincentian priest. He said, 'The Miraculous Medal works.' Now this will be a test of its alleged miraculous powers!"
I didn't have a Miraculous Medal of my own. And everyone I asked at the hospital also did not have one. But I persisted, and finally one of the nursing sisters on night duty found a Miraculous Medal.
What I found out was that you don't just bless the medal, you have to put it around a person's neck on a chain or ribbon. So the sister-nurse found a blue ribbon for the medal, which made me feel silly. What was I doing with medals and blue ribbons.
However, I blessed the medal and had the father hold the leaflet for investing a person in the Confraternity of the Miraculous Medal. I proceeded to recite the words of investiture. No sooner did I finish the prayer of enrolling the boy in the Confraternity than he opened his eyes for the first time in two weeks. He saw his mother and said, "Ma, I want some ice cream." He had been given only intravenous feeding. - Finish reading here.
The story of the conversion of Alphonse Ratisbonne here.