I stabbed my palm through with a knife, trying to remove an avocado stone in a stupid way, a few years ago. Fortunately I recovered most of the feeling in my palm and can move my fingers properly, but the side ofe my ring finger is still numb and tingles. The dr. said I MAY recover it in time..........But I have got used to it, can even type, more or less, I just have to be careful lifting a full mug or cup. So maybe you have damaged a nerve too. I remember I was prescribed high strength VIT B for a while.