A novel approach to diagnostic and therapeutic interventions in the peritoneal cavity is described. More specifically, a technique for accessing the peritoneal cavity via the wall of the digestive tract is provided so that examination of and/or a surgical procedure in the peritoneal cavity can be conducted...http://www.google.co.uk/patents/US7721742?utm_source=gb-gplus-sharePatent US7721742 - Methods for diagnostic and therapeutic interventions in the peritoneal cavity