41 CONDUCTING OF SEMINARS FOR THE INSTRUCTION AND FURTHER EDUCATION OF DOCTORS AND MEDICAL PERSONNEL; INDIVIDUAL INSTRUCTION AND FURTHER EDUCATION CLASSES FOR DOCTORS AND PERSONNEL, IN PARTICULAR WITH RESPECT TO OPERATING TECHNIQUES, THE USE OF OPERATING TECHNIQUES AND THE USE OF MEDICAL AND/OR TECHNICAL PRODUCTS, IN PARTICULAR WITH RESPECT TO THE REHABILITATION AND MEDICAL CARE OF JOINTS, OSTEOSYNTHESIS AND SPINAL COLUMNS; AND PREPARATION OF COMMUNICATION AND TEACHING MEANS, IN PARTICULAR THE PRODUCTION OF VIDEO FILMS AND THE PRODUCTION OF COMPUTER ASSISTED INFORMATION, ALSO ONLINE VIA THE INTERNET