The embodiments of the present invention relate to an endoscopic system and accessories. In particular, the various embodiments relate to endoscopic systems in which an accessory comprises a multi-lumen device that is capable of quantitatively delivering at least a catheter, a balloon, and a needle to...http://www.google.fr/patents/US8012142?utm_source=gb-gplus-shareBrevet US8012142 - Multi-lumen endoscopic accessory and system
