Leandre Pourcelot, Gerard Fleury, Marceau Berson: Ultrasonic sweep echography and display endoscopic probe. Universite Francois Rabelais, Larson and Taylor, August 12, 1986: US04605009 (67 worldwide citation)

The endoscopic probe, more especially for medical use, comprises a tubular member insertable in a cavity to be explored, having a flexible part ending in an endmost section able to be orientated by means of mechanical control means disposed inside the flexible section. The section carries optical il ...