There is disclosed an endoscope incorporating a device for bending a bendable portion of the endoscope. A pair of operating wires are fixedly connected at their distal ends to a distal end of the bendable portion, and are extended respectively around a pair of engaging members. The proximal ends of the...http://www.google.fr/patents/US4941455?utm_source=gb-gplus-shareBrevet US4941455 - Endoscope having bending means
