Biopsy instruments; Electrodes for medical use; Endoscopic equipment for medical purposes; Medical apparatus and instruments for use in endoscopy procedures; Medical device and surgical instrument for use in diagnosis and surgery of the gastro-intestinal tract; Medical device, namely, a remote manipulation system consisting of a robotic arm, knob, deflection lever, and buttons, to facilitate remote catheterizations; Medical endoscopes; Surgical apparatus and instruments; Surgical robots