A drill bit is provided that is constructed and arranged to form a bore in a bone by cutting and moving bone fragments to a wall of the bore. The drill bit includes an elongated shaft having a distal portion and a proximal portion. The proximal portion has a constant diameter. A cutting tip is defined...http://www.google.com/patents/US5443468?utm_source=gb-gplus-sharePatent US5443468 - Method for drilling a bore in bone using a compaction drill