endoscopy, coloscopy, gastroscopy, bronchoscopy, anaesthesia, endoscopic ultrasonic, zoom-endoscopy, 3-dimensional position control, laparoscopy, urology, keyhole surgery, tumorrectomy by keyhole surgery, ENT (ear, nose, throat), gynaecology, arthroscopy, orthopaedics, medical services, utility services, surgical endoscopy, flexible endoscopy, video-endoscopy, process analysis, logistics, BOT model, contract in partnership, strategic consulting, hygienics, endo thermo disinfector, preparation of endoscopes, video-endoscopy, surgery monitoring system, ultrasound cutter, video-system integration