A disposable surgical stapling instrument for the joining together of tubular body organs such as the organs of the alimentary canal. The instrument comprises an elongated body having a tubular housing portion and a coaxial cylindrical handle portion. The tubular housing portion supports at its free...http://www.google.co.uk/patents/US4319576?utm_source=gb-gplus-sharePatent US4319576 - Intralumenal anastomosis surgical stapling instrument