An apparatus for use in human surgery has a tubular member with a passage for providing protected access to a surgical site. The passage has a minimum width transverse to the mid-longitudinal axis of the tubular member. Two opposed extensions extend from the distal end of the tubular member. The extensions...http://www.google.fr/patents/US20060084992?utm_source=gb-gplus-shareBrevet US20060084992 - Tubular member having a passage and opposed bone contacting extensions
Tubular member having a passage and opposed bone contacting extensions
Numéro de demande: 11/269,328 Numéro de publication: US 2006/0084992 A1 Date de dépôt: 8 nov. 2005 Brevet délivré: US7569054 ( Date de délivrance 4 août 2009)