An apparatus and method for stabilizing vertebrae and implanting bone growth material is disclosed. Trocars are set onto the specific pedicles of the vertebrae to be stabilized. A series of dilators are passed over each trocar until a final working channel is placed. The interior dilators are removed,...http://www.google.es/patents/US20050171549?utm_source=gb-gplus-sharePatente US20050171549 - Apparatus and method for treating the spine
