A combination of bone-fixing elements comprising an intramedullary nail having an aperture therein and a cooperating locking bolt, the locking bolt having a shank for extending into the aperture in the intramedullary nail, the locking bolt comprising a pin for enlarging a diameter of at least a part...http://www.google.fr/patents/US5387214?utm_source=gb-gplus-shareBrevet US5387214 - Bolt for being driven into bone tissue
