Various exemplary methods and devices are provided for traversing a lumen, such as the gastrointestinal tract. The devices can include an elongate body having distally positioned tubing elements and proximally positioned control elements. The tubing elements are adapted for selective and independent...http://www.google.fr/patents/US20070106302?utm_source=gb-gplus-shareBrevet US20070106302 - Lumen traversing device
Numéro de demande: 11/267,463 Numéro de publication: US 2007/0106302 A1 Date de dépôt: 4 nov. 2005 Brevet délivré: US7798992 ( Date de délivrance 21 sept. 2010)