The present invention is directed to a full-thickness resection system comprising a flexible endoscope and a stapling mechanism, wherein the endoscope is slidably received through at least a portion of the stapling mechanism. The stapling mechanism includes an anvil and a stapling head mounted to the...http://www.google.se/patents/US6840423?utm_source=gb-gplus-sharePatent US6840423 - Integrated surgical staple retainer for a full thickness resectioning device
