A improved flexible annular stapler for joining annular organs (163, 164) is disclosed. The novel stapler features greater accuracy of operation and better control by the operator, as well as additional functions, such as internal illumination (76) and viewing facility (82), and accommodation of a large...http://www.google.ca/patents/US20050051597?utm_source=gb-gplus-sharePatent US20050051597 - Flexible annular stapler for closed surgery of hollow organs