An apparatus having an elongate hollow metal body extending along a longitudinal axis is disclosed. The hollow body defines a central opening and has a predetermined wall thickness. A pattern of laser cut slits is formed into the body. The slits define a plurality of articulatable elements. The plurality...http://www.google.fr/patents/US20100010299?utm_source=gb-gplus-shareBrevet US20100010299 - ENDOSCOPIC TRANSLUMENAL ARTICULATABLE STEERABLE OVERTUBE