The present disclosure relates to a graft fixation device including a body configured and arranged for passage through a bone tunnel when oriented generally longitudinally with respect to the bone tunnel, and for residing against bone defining an opening to the bone tunnel when oriented generally transversely...http://www.google.es/patents/US20070233241?utm_source=gb-gplus-sharePatente US20070233241 - Tissue Graft Fixation
