Methods and apparatus for performing endoluminal procedures are described herein. An endoluminal tissue manipulation assembly is disclosed which provides for a stable endoluminal platform and which also provides for effective triangulation of tools. Such an apparatus may comprise an optionally shape-lockable...http://www.google.de/patents/US20060183975?utm_source=gb-gplus-sharePatent US20060183975 - Methods and apparatus for performing endoluminal procedures
