The present invention provides devices and methods for attachment of an endolumenal gastrointestinal device, such as an artificial stoma device, a gastrointestinal bypass sleeve or other therapeutic or diagnostic device, within a patient's digestive tract. In one application of the invention, an endolumenal...http://www.google.es/patents/US20070010865?utm_source=gb-gplus-sharePatente US20070010865 - Everting gastrointestinal sleeve