A simple, safe implantable bone screw, and a method for distracting two bone segments, is provided. In general, the bone screw includes a shank having a threaded proximal portion and a distal portion with a major diameter that is less than a minor diameter of the threaded proximal portion. A transitional...http://www.google.fr/patents/US20050038438?utm_source=gb-gplus-shareBrevet US20050038438 - Distraction screw
Numéro de demande: 10/638,821 Numéro de publication: US 2005/0038438 A1 Date de dépôt: 11 août 2003 Brevet délivré: US7708766 ( Date de délivrance 4 mai 2010)
