Sorry to hear about the bad break Silvio. Just please follow your medical professional's advice.
ps. I don't have any experience with steel pins or anything but my dad had a steel plate in his head, a WW2 incident. It was the funniest thing. Every morning, he'd get up and come downstairs for breakfast and just as he entered the kitchen, half a dozen fridge magnets would fly across the room and whap him in the forehead.