A medical stapling device in which, upon activation, spaced lugs on a driver advance open staples along a track between two grooved rails frictionally holding the staples so that the leading staple will be closed around an anvil at the end of the track and can suture adjacent living tissue. Subsequently...http://www.google.fr/patents/US4470532?utm_source=gb-gplus-shareBrevet US4470532 - Medical stapling device